US Harbors
Visit our Sponsor
MARINER'S
WEATHER
Marine
Forecasts
Buoys
Sea Temp
Conditions
Satellite/Radar
Web Cams
Maine Harbors
Marine & Coastal Weather
Marine
Northeast Coast
& Maritimes
Click for a new Marine Forecast
WHX   CAR   GYX   BOX   OKX   Offshore   High Seas
High Seas Forecast Resources
FZNT01 KWBC 170420 HSFAT1


HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC MON FEB 17 2025

CCODE/2:31:04:01:00/AOE/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT VOSOPS@NOAA.GOV(LOWERCASE).

FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP (ALL LOWERCASE).

SECURITE...


NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS


SYNOPSIS VALID 0000 UTC FEB 17.
24 HOUR FORECAST VALID 0000 UTC FEB 18.
48 HOUR FORECAST VALID 0000 UTC FEB 19.

.
WARNINGS




... HURRICANE FORCE WIND WARNING ... .COMPLEX LOW WITH MAIN CENTER 51N38W 956 MB NEARLY STATIONARY. WITHIN 120 NM NW OF A LINE FROM 57N47W TO 58N42W TO 60N39W TO 63N37W WINDS 55 TO 75 KT. SEAS 26 TO 44 FT. ELSEWHERE WITHIN 180 NM NW OF THE LINE...N OF 58N E OF 42W...WITHIN 300 NM NE...720 NM S...540 NM SW AND BETWEEN 90 NM AND 240 NM NW QUADRANTS WINDS 40 TO 55 KT. SEAS 20 TO 38 FT. ALSO WITHIN 360 NM N...1200 NM S...840 NM SW AND 660 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 14 TO 26 FT...EXCEPT W OF 55W SEAS 10 TO 20 FT.
.24 HOUR FORECAST...   COMPLEX LOW WITH MAIN CENTER 51N38W 977 MB. WITHIN 120 NM NW AND N OF A LINE FROM 57N49W TO 58N43W AND WITHIN 90 NM NW AND N OF LINE FROM 58N43W TO 60N41W TO 62N38W WINDS 50 TO 65 KT. SEAS 24 TO 37 FT. ELSEWHERE WITHIN 240 NM NW AND N OF A LINE FROM 54N50W TO 56N46W...WITHIN 180 NM NW AND N OF LINE FROM 56N46W TO 60N39W TO 62N35W WINDS 35 TO 50 KT. SEAS 18 TO 27 FT. ALSO BETWEEN 240 NM AND 840 NM NW QUADRANT AND E OF A LINE FROM FROM 45N TO 62N E OF 40W WINDS 25 TO 40 KT. SEAS 12 TO 25 FT.
.48 HOUR FORECAST...   COMPLEX LOW ABSORBED BY LOW JUST E OF THE AREA 58N34W 958 MB. WITHIN 120 NM NW AND N OF A LINE FROM 56N49W TO 58N41W TO 62N35W WINDS 50 TO 65 KT. SEAS 20 TO 38 FT. ELSEWHERE WITHIN 300 NM NW AND N OF A LINE FROM 53N51W TO 56N41W TO 58N35W AND N OF 63N E OF GREENLAND WINDS 35 TO 50 KT. SEAS 15 TO 28 FT. ALSO N OF 57N W OF 52W AND N OF 54N W OF 35W WINDS 25 TO 40 KT. SEAS 10 TO 25 FT...EXCEPT W OF GREENLAND N OF 58N SEAS 8 TO 16 FT.


... STORM WARNING ... .COMPLEX LOW WITH MAIN CENTER 41N72W 980 MB MOVING NE 20 KT AND SECONDARY CENTER INLAND 43N73W 982 MB MOVING NE 20 KT. WITHIN 420 NM NE...SE AND 600 NM SW NM FROM MAIN CENTER WINDS 35 TO 50 KT. SEAS 13 TO 22 FT...HIGHEST NEAR 39N70W. ELSEWHERE WITHIN 540 NM NE...600 NM SE AND 720 NM SW QUADRANTS OF MAIN CENTER WINDS 25 TO 40 KT. SEAS 8 TO 17 FT.
.24 HOUR FORECAST...   COMBINED LOW 48N65W 963 MB. BETWEEN 300 NM AND 480 NM E...240 NM AND 780 NM SE AND 180 AND 600 NM SW QUADRANTS WINDS 40 TO 55 KT. SEAS 18 TO 34 FT...HIGHEST NEAR 42N59W. ELSEWHERE WITHIN 600 NM NE...960 NM SE AND 780 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 24 FT.
.48 HOUR FORECAST...   LOW ABSORBED AND CONDITIONS DESCRIBED BELOW WITH LOW E OF AREA 54N31W.


... STORM WARNING ...
.12 HOUR FORECAST...  
NEW LOW 40N59W 993 MB. WITHIN 300 NM E AND SE OF A FRONT FROM 44N56W TO THE LOW TO 33N67W WINDS 35 TO 50 KT. SEAS 14 TO 25 FT.
.24 HOUR FORECAST...   40N48W 996 MB. WITHIN AN AREA BOUNDED BY A LINE FROM THE LOW TO 44N40W TO 42N35W TO 40N35W TO 34N54W TO 35N56W TO THE LOW WINDS 35 TO 50 KT. SEAS 14 TO 28 FT. ELSEWHERE WITHIN 540 NM NE...600 NM SE AND 960 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.
.48 HOUR FORECAST...   LOW E OF AREA 54N31W 960 MB. FROM 41N TO 52N E OF 40W...FROM 39N TO 46N BETWEEN 40W AND 60W AND FROM 38N TO 43N BETWEEN 60W AND 70W WINDS 40 TO 55 KT. SEAS 22 TO 44 FT...HIGHEST NEAR 42N53W. ELSEWHERE FROM 35N TO 52N W OF 35W...EXCEPT IN THE GULF OF SAINT LAWRENCE WINDS 25 TO 40 KT. SEAS 12 TO 25 FT. ALSO FROM 31N TO 35N E OF 60W AND IN THE GULF OF SAINT LAWRENCE WINDS 20 TO 30 KT. SEAS 10 TO 18 FT IN MIXED SWELL...EXCEPT TO 9 FT IN THE GULF OF SAINT LAWRENCE.


... HEAVY FREEZING SPRAY WARNING ... .LIGHT TO MODERATE FREEZING SPRAY FROM 43N TO 50N W OF 55W...INCLUDING THE GULF OF SAINT LAWRENCE...W AND NW OF A LINE FROM 62N60W TO 65N53W AND N OF 63N E OF GREENLAND.
.24 HOUR FORECAST...   MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF 55W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY NW AND N OF A LINE FROM 40N73W TO 44N59W TO 48N59W...INCLUDING THE BAY OF FUNDY AND THE GULF OF SAINT LAWRENCE...N OF 63N W OF 54W AND N OF 62N E OF GREENLAND.
.48 HOUR FORECAST...   MODERATE TO HEAVY FREEZING SPRAY NW AND N OF A LINE FROM 43N70W TO 44N60W TO 47N57W...INCLUDING THE BAY OF FUNDY AND W AND NW OF A LINE FROM 62N60W TO 64N55W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY NW OF A LINE FROM 37N75W TO 46N52W TO 49N52W...INCLUDING THE GULF OF SAINT LAWRENCE...NW AND N OF A LINE FROM 60N60W TO 64N55W AND N OF 63N E OF GREENLAND.

SYNOPSIS AND FORECAST...
.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 50N W OF 57W...INCUDING THE GULF OF SAINT LAWRENCE AND THE BAY OF FUNDAY...FROM 46N TO 55N BETWEEN 47W AND 53W...FROM 57N TO 60N E OF 45W AND FROM 60N TO 63N E OF GREENLAND.
.24 HOUR FORECAST...   DENSE FOG FROM 43N TO 51N BETWEEN 44W AND 54W...INCLUDING THE GULF OF SAINT LAWRENCE...FROM 60 TO 64N E OF GREENLAND AND FROM 57N TO 60N E OF 45W.
.48 HOUR FORECAST...   DENSE FOG FROM 48N TO 55N W OF 45W AND N OF 60N E OF GREENLAND.

.

FORECASTER FUTTERMAN. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND GULF OF AMERICA


SYNOPSIS VALID 0000 UTC MON FEB 17.
24 HOUR FORECAST VALID 0000 UTC TUE FEB 18.
48 HOUR FORECAST VALID 0000 UTC WED FEB 19.

.
WARNINGS



...GULF OF AMERICA GALE WARNING... .WITHIN 19N94W TO 21N96W TO 20N97W TO 19N96W TO 18N94W TO 19N94W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ...NW TO N WINDS 25 TO 35 KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 20N TO 26N W OF 91W. SEAS 8 TO 9 FT.
.06 HOUR FORECAST...   WITHIN 26N92W TO 25N95W TO 24N97W TO 21N97W TO 19N95W TO 22N93W TO 26N92W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ...N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .21 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

SYNOPSIS AND FORECAST...
.


.ATLC...   WITHIN 31N77W TO 31N80W TO 29N79W TO 30N78W TO 31N77W W TO NW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN SW SWELL. WITHIN 31N70W TO 31N77W TO 29N79W TO 28N76W TO 31N70W SW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT IN S TO SW SWELL.
.24 HOUR FORECAST...   WITHIN 31N60W TO 31N75W TO 30N73W TO 30N70W TO 30N69W TO 31N60W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN W TO NW SWELL.
.48 HOUR FORECAST...   WITHIN 31N44W TO 31N68W TO 29N68W TO 28N59W TO 29N51W TO 31N44W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.


.ATLC...   WITHIN 31N35W TO 31N59W TO 23N60W TO 20N55W TO 24N35W TO 31N35W N TO NE WINDS 20 TO 25 KT. SEAS 12 TO 16 FT. WITHIN 28N60W TO 25N63W TO 24N71W TO 21N69W TO 20N64W TO 20N59W TO 28N60W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E SWELL. WITHIN 24N35W TO 19N43W TO 20N59W TO 12N62W TO 06N53W TO 07N35W TO 24N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST...   WITHIN 31N35W TO 31N54W TO 18N62W TO 08N59W TO 07N35W TO 31N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST...   WITHIN 31N35W TO 17N61W TO 06N54W TO 07N35W TO 31N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.

.CARIBBEAN WITHIN 15N69W TO 17N74W TO 14N78W TO 13N80W TO 11N78W TO 12N69W TO 15N69W...INCLUDING IN MONA PASSAGE AND THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST...   WITHIN 13N69W TO 14N76W TO 14N79W TO 12N80W TO 10N79W TO 11N72W TO 13N69W...INCLUDING THE GULF OF VENEZUELA... NE TO E WINDS 25 TO 30 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST...   WITHIN 12N69W TO 13N74W TO 13N80W TO 11N80W TO 11N71W TO 12N69W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 25 TO 30 KT. SEAS 8 TO 9 FT.

.GULF OF AMERICA
48 HOUR FORECAST...   WITHIN 28N89W TO 28N91W TO 27N91W TO 27N90W TO 27N89W TO 28N89W SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. .

FORECASTER RAMOS. NATIONAL HURRICANE CENTER.

Click for Sea Conditions
Wind, Wave
Pressure
Click for Sea Temperature
Sea
Temperature
Click for Buoy Reports
Buoy/CMAN
Reports
Click for Radar and Satellite
Radar and
Satellite
-- Weather Tools --
TEMPERATURE (Fahrenheit, Celsius, Kelvin)
TIME CONVERSIONS (UTC, GMT, 24 hour)
WIND SCALES (Beaufort, Saffir-Simpson)
WIND CHILL (Old vs New, Frostbite chart)
WEATHER CALCULATORS

www.maineharbors.com
Maine Harbors obtains forecasts and other information from the National Weather Service - (IWIN) and Environment Canada. US Forecasts are public domain and cannot be copyrighted. Canadian forecasts are copyright of Environment Canada.

Limitation of Liability - Maine Harbors does not warrant the accuracy, completeness, merchantability or fitness for a particular purpose of any of the weather information offered through this service. Under no circumstances shall Maine Harbors be liable to you or any other person for any indirect, special, incidental, or consequential damages arising from the use of this service.