FZUS51 KBOX 260804
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
403 AM EDT TUE MAY 26 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
  ANZ200-262100-
403 AM EDT TUE MAY 26 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS...
WEAK HIGH PRES MOVES OVERHEAD TUE, THEN A COLD FRONT WILL DROP SOUTH
INTO THE REGION FROM THE N WED AFTERNOON/EVENING. ANOTHER COLD FRONT
AND ASSOCIATED LOW PRES WILL CROSS THE WATERS LATER FRI INTO SAT.
ANZ250-262100-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
403 AM EDT TUE MAY 26 2026
... SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING ...
TODAY... W WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 8 SECONDS AND W 1 FOOT AT 2 SECONDS. TONIGHT... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 3 FT AT 8 SECONDS.WED... SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT AT
7 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON. WED NIGHT... W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND SW 1 FOOT AT
3 SECONDS. THU AND THU NIGHT... N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 2 FT AT 3 SECONDS AND SE 2 FT AT 7 SECONDS. FRI... NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 6 SECONDS AND W 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS. FRI NIGHT... SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. A CHANCE OF SHOWERS. SAT... NE WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. A CHANCE OF SHOWERS. SAT NIGHT... N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-262100-
MASSACHUSETTS BAY AND IPSWICH BAY-
403 AM EDT TUE MAY 26 2026
TODAY... W WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT
AT 8 SECONDS AND W 1 FOOT AT 2 SECONDS. TONIGHT... SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 8 SECONDS AND S 2 FT AT 3 SECONDS. WED... SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 3 SECONDS AND E 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS IN
THE AFTERNOON. WED NIGHT... W WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: W 1 FOOT AT 3 SECONDS AND E 1 FOOT AT
8 SECONDS. THU... N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 4 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON. THU NIGHT... NW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: NW 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 5 SECONDS. FRI THROUGH SAT NIGHT... N WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-262100-
CAPE COD BAY
403 AM EDT TUE MAY 26 2026
TODAY... NW WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: W
1 FOOT AT 2 SECONDS AND E 1 FOOT AT 6 SECONDS. TONIGHT... SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS
AND E 1 FOOT AT 6 SECONDS. WED... SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND E
1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON. WED NIGHT... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING N 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS
AND SE 1 FOOT AT 7 SECONDS, BECOMING NW 1 FOOT AT 2 SECONDS AND
SE 1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS IN THE EVENING. THU AND THU NIGHT... NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: N 1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 6 SECONDS. FRI... NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: N
1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 11 SECONDS. FRI NIGHT THROUGH SAT NIGHT... N WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-262100-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA OUT 20 NM-
403 AM EDT TUE MAY 26 2026
... SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING ...
TODAY... NW WINDS AROUND 5 KT, BECOMING SW THIS AFTERNOON. SEAS
3 TO 5 FT. WAVE DETAIL: S 5 FT AT 7 SECONDS. TONIGHT... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND SE 3 FT AT 8 SECONDS.WED... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND SE 2 FT AT 7 SECONDS.WED NIGHT... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NW AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 6 SECONDS AND SE 2 FT AT 7 SECONDS. THU AND THU NIGHT... NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND E 2 FT AT
7 SECONDS. FRI... N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT
AT 7 SECONDS AND SW 2 FT AT 7 SECONDS. FRI NIGHT AND SAT... S WINDS 10 TO 15 KT, BECOMING N. GUSTS UP TO
20 KT. SEAS 2 TO 4 FT. A CHANCE OF SHOWERS. SAT NIGHT... N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-262100-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
403 AM EDT TUE MAY 26 2026
... SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING ...
TODAY... NE WINDS AROUND 5 KT, BECOMING SW THIS AFTERNOON. SEAS
3 TO 5 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND SW 3 FT AT
7 SECONDS. TONIGHT... SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SW
3 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS. WED... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS. WED NIGHT... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NW AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT
AT 7 SECONDS AND E 1 FOOT AT 7 SECONDS. THU... N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 7 SECONDS AND N 2 FT AT
4 SECONDS. THU NIGHT... N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW
3 FT AT 7 SECONDS AND NE 1 FOOT AT 6 SECONDS. FRI... W WINDS AROUND 10 KT. SEAS 2 TO 3 FT. FRI NIGHT AND SAT... SW WINDS 10 TO 15 KT, BECOMING NW 15 TO
20 KT. SEAS 2 TO 4 FT. A CHANCE OF SHOWERS. SAT NIGHT... N WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. A CHANCE OF
SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-262100-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
403 AM EDT TUE MAY 26 2026
... SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING ...
TODAY... NE WINDS AROUND 5 KT, BECOMING SW THIS AFTERNOON. SEAS
3 TO 5 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND S 2 FT AT
7 SECONDS. TONIGHT... SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS. WED... SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS. WED NIGHT... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NW AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 7 SECONDS AND SE 2 FT AT 8 SECONDS. THU AND THU NIGHT... NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 3 FT AT 7 SECONDS. FRI... W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT
AT 7 SECONDS AND E 1 FOOT AT 9 SECONDS. FRI NIGHT AND SAT... SW WINDS 15 TO 20 KT, BECOMING NW. SEAS 2 TO
4 FT. A CHANCE OF SHOWERS. SAT NIGHT... N WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-262100-
NANTUCKET SOUND-
403 AM EDT TUE MAY 26 2026
TODAY... N WINDS AROUND 5 KT, BECOMING SW THIS AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND SW 1 FOOT AT
6 SECONDS. TONIGHT... SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 3 SECONDS AND E 1 FOOT AT 8 SECONDS. WED... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 1 FOOT AT
7 SECONDS. WED NIGHT... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NW AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS. THU... N WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 5 SECONDS. THU NIGHT... N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 1 FOOT AT 5 SECONDS AND W 1 FOOT AT 6 SECONDS. FRI... NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. FRI NIGHT THROUGH SAT NIGHT... N WINDS 15 TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-262100-
VINEYARD SOUND-
403 AM EDT TUE MAY 26 2026
TODAY... N WINDS AROUND 5 KT, BECOMING SW THIS AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 6 SECONDS AND SW 2 FT AT
8 SECONDS. TONIGHT... SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS. WED... SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS. WED NIGHT... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 6 SECONDS AND SE 1 FOOT AT 6 SECONDS. THU... N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N 2 FT
AT 7 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON. THU NIGHT... NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
W 2 FT AT 7 SECONDS AND NE 1 FOOT AT 3 SECONDS. FRI... W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. FRI NIGHT THROUGH SAT NIGHT... N WINDS 15 TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-262100-
BUZZARDS BAY-
403 AM EDT TUE MAY 26 2026
TODAY... N WINDS AROUND 5 KT, BECOMING SW 10 TO 15 KT THIS
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS. TONIGHT... SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS. WED... SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS. WED NIGHT... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS. THU... N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 6 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON. THU NIGHT... NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: NE 1 FOOT AT 2 SECONDS
AND SW 1 FOOT AT 7 SECONDS, BECOMING NE 1 FOOT AT 3 SECONDS AND W
1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS IN THE EVENING. FRI... W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. FRI NIGHT THROUGH SAT NIGHT... N WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. SEAS AROUND 2 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-262100-
RHODE ISLAND SOUND-
403 AM EDT TUE MAY 26 2026
TODAY... NE WINDS AROUND 5 KT, BECOMING SW 10 TO 15 KT THIS
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND
S 2 FT AT 7 SECONDS. TONIGHT... SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS. WED... SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS. WED NIGHT... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NW AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS AND S 1 FOOT AT 14 SECONDS. THU AND THU NIGHT... NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 3 FT AT 7 SECONDS. A CHANCE OF SHOWERS THROUGH THE
NIGHT. FRI... W WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 7 SECONDS AND E 1 FOOT AT 9 SECONDS. FRI NIGHT AND SAT... SW WINDS 10 TO 15 KT, BECOMING N 15 TO
20 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS. SAT NIGHT... N WINDS 15 TO 20 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-262100-
BLOCK ISLAND SOUND-
403 AM EDT TUE MAY 26 2026
TODAY... NE WINDS AROUND 5 KT, BECOMING SW THIS AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND S 2 FT AT
7 SECONDS. TONIGHT... SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS AND S 2 FT AT 7 SECONDS. WED... SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS. WED NIGHT... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 6 SECONDS AND SE 2 FT AT 8 SECONDS. THU AND THU NIGHT... NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NW 2 FT AT 7 SECONDS AND E 2 FT AT 7 SECONDS. A CHANCE OF
SHOWERS THROUGH THE NIGHT. FRI... W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT
AT 7 SECONDS AND E 1 FOOT AT 8 SECONDS. FRI NIGHT AND SAT... W WINDS 10 TO 15 KT, BECOMING NW. GUSTS UP
TO 20 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS. SAT NIGHT... N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-262100-
BOSTON HARBOR-
403 AM EDT TUE MAY 26 2026
TODAY... W WINDS AROUND 5 KT, BECOMING S THIS AFTERNOON. WAVES
1 FOOT OR LESS. TONIGHT... SW WINDS 10 TO 15 KT. WAVES AROUND 2 FT. WED... SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND
2 FT IN THE AFTERNOON. A CHANCE OF SHOWERS IN THE AFTERNOON. WED NIGHT... NW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. THU... N WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE OF
SHOWERS. THU NIGHT... NW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS IN THE EVENING. FRI... NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE OF
SHOWERS. FRI NIGHT... S WINDS AROUND 10 KT. WAVES 1 FOOT OR LESS. SHOWERS
LIKELY. SAT AND SAT NIGHT... N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-262100-
NARRAGANSETT BAY-
403 AM EDT TUE MAY 26 2026
TODAY... N WINDS AROUND 5 KT, BECOMING S 10 TO 15 KT THIS
AFTERNOON. WAVES 2 TO 3 FT. TONIGHT... SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. WED... SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. WAVES AROUND 2 FT. WED NIGHT... SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
WAVES AROUND 2 FT. THU AND THU NIGHT... NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A
CHANCE OF SHOWERS THROUGH THE NIGHT. FRI... W WINDS 5 TO 10 KT. WAVES AROUND 2 FT. FRI NIGHT AND SAT... SW WINDS AROUND 10 KT, BECOMING N WITH GUSTS
UP TO 20 KT. WAVES AROUND 2 FT. A CHANCE OF SHOWERS. SAT NIGHT... N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ280-262100-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
403 AM EDT TUE MAY 26 2026
TODAY... W WINDS AROUND 5 KT, BECOMING SW 10 TO 15 KT WITH GUSTS
UP TO 20 KT THIS AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: SE 5 FT
AT 8 SECONDS AND SW 2 FT AT 6 SECONDS. TONIGHT... SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
AROUND 4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND S 3 FT AT
7 SECONDS. WED... SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 3 TO 4 FT. WAVE DETAIL: W 3 FT AT 6 SECONDS AND SE 3 FT AT
8 SECONDS. WED NIGHT... W WINDS AROUND 10 KT, BECOMING N AFTER MIDNIGHT.
SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 6 SECONDS AND SE 2 FT AT
8 SECONDS. THU AND THU NIGHT... N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: N 3 FT AT 5 SECONDS AND E 2 FT AT
8 SECONDS. FRI... NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT
AT 6 SECONDS AND S 2 FT AT 8 SECONDS. FRI NIGHT... SE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. A CHANCE OF SHOWERS. SAT... NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS. SAT NIGHT... N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-262100-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
403 AM EDT TUE MAY 26 2026
TODAY... NW WINDS AROUND 5 KT, BECOMING SW THIS AFTERNOON. SEAS
4 TO 5 FT. WAVE DETAIL: SE 5 FT AT 8 SECONDS AND S 3 FT AT
7 SECONDS. TONIGHT... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS. WED... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS. WED NIGHT... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING NW AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 4 FT
AT 7 SECONDS AND SE 1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS
AFTER MIDNIGHT. THU... N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: NW 3 FT AT 6 SECONDS AND E 1 FOOT AT
8 SECONDS. A CHANCE OF SHOWERS IN THE MORNING. THU NIGHT... NW WINDS AROUND 10 KT. SEAS AROUND 3 FT. WAVE
DETAIL: N 3 FT AT 6 SECONDS AND NE 2 FT AT 9 SECONDS. FRI... N WINDS 5 TO 10 KT. SEAS AROUND 3 FT. FRI NIGHT... SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. A CHANCE OF SHOWERS. SAT... N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS. SAT NIGHT... N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 7 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-262100-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
403 AM EDT TUE MAY 26 2026
TODAY... NE WINDS AROUND 5 KT, BECOMING SW AROUND 5 KT THIS
AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND
S 3 FT AT 7 SECONDS. TONIGHT... SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS. WED... SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS. WED NIGHT... W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W
3 FT AT 6 SECONDS AND SE 2 FT AT 8 SECONDS. A CHANCE OF SHOWERS
AFTER MIDNIGHT. THU... N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 3 TO 4 FT. WAVE DETAIL: NW 4 FT AT 6 SECONDS AND NE 1 FOOT
AT 9 SECONDS. A CHANCE OF SHOWERS IN THE MORNING. THU NIGHT... NW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL:
SW 3 FT AT 7 SECONDS AND NE 2 FT AT 6 SECONDS. FRI... NW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. FRI NIGHT... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. A CHANCE OF SHOWERS. SAT AND SAT NIGHT... NW WINDS 15 TO 20 KT, BECOMING N. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ283-262100-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
403 AM EDT TUE MAY 26 2026
TODAY... NE WINDS AROUND 5 KT, BECOMING SW THIS AFTERNOON. SEAS
4 TO 5 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS AND S 3 FT AT
7 SECONDS. TONIGHT... SW WINDS 5 TO 10 KT. SEAS AROUND 4 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND SE 3 FT AT 8 SECONDS. WED... SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS. WED NIGHT... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT
AT 6 SECONDS AND SE 2 FT AT 9 SECONDS. THU AND THU NIGHT... NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: W 3 FT AT 7 SECONDS AND NE 2 FT AT 6 SECONDS. FRI... W WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW 3 FT
AT 7 SECONDS AND E 1 FOOT AT 9 SECONDS. FRI NIGHT... SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. A CHANCE OF SHOWERS. SAT... NW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. A CHANCE OF SHOWERS.SAT NIGHT... N WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON
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WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV
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