FZNT01 KWBC 132152 HSFAT1 HIGH SEAS FORECAST FOR METAREA IV NWS OCEAN PREDICTION CENTER WASHINGTON DC 2230 UTC THU AUG 13 2026 CCODE/1:31:04:01:00/AOE/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). SECURITE NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 1800 UTC AUG 13. 24 HOUR FORECAST VALID 1800 UTC AUG 14. 48 HOUR FORECAST VALID 1800 UTC AUG 15. .WARNINGS. ...GALE WARNING... .LOW 64N57W 1000 MB MOVING N 15 KT. WITHIN 120 NM E AND NE OF A LINE FROM THE LOW TO 60N51W TO 58N45W WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST LOW AND CONDITIONS N OF AREA. ...GALE WARNING... .LOW 53N51W 1000 MB MOVING NE 15 KT. WITHIN 180 NM SW QUADRANT AND 300 NM E OF A LINE FROM 58N45W TO 53N43W TO 42N44W WINDS TO 20 TO 30 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW 58N47W 1005 MB. WITHIN 240 NM N AND NE QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN 180 NM E AND NE OF A LINE FROM 67N57W TO 58N51W TO 57N35W WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 61N37W 1009 MB. WINDS LESS THAN 25 KT. SEAS LESS THAN 2.5 M. .SYNOPSIS AND FORECAST. .FROM 33N TO 38N BETWEEN 57W AND 70W WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST FROM 34N TO 45N BETWEEN 43W AND 61W WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST WITHIN 300 NM E OF A FRONT FROM 50N42W TO 32N57W WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW 63N61W 1001 MB. WITHIN 240 NM S AND E QUADRANTS WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 46N BETWEEN 65W AND 68W...AND WITHIN 240 NM EITHER SIDE OF A LINE FROM 47N42W TO 67N60W. .24 HOUR FORECAST DENSE FOG FROM 43N TO 51N BETWEEN 43W AND 56W AND WITHIN 180 NM EITHER SIDE OF A LINE FROM 59N50W TO 55N35W. .48 HOUR FORECAST DENSE FOG WITHIN 180 NM EITHER SIDE OF A LINE FROM 56N57W TO 46N46W TO 47N35W. .FORECASTER COLLINS. 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 1800 UTC THU AUG 13. 24 HOUR FORECAST VALID 1800 UTC FRI AUG 14. 48 HOUR FORECAST VALID 1800 UTC SAT AUG 15. .WARNINGS. ...GALE WARNING... .CARIBBEAN FROM 11N TO 18.5N BETWEEN 70W AND 75W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 M. N OF 15N E OF 70W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .12 HOUR FORECAST FROM 11N TO 18N E OF 78W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .24 HOUR FORECAST FROM 11N TO 18N BETWEEN 64W AND 80W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. FROM 10N TO 11N E OF 78W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL. .30 HOUR FORECAST FROM 11N TO 13N BETWEEN 70W AND 76W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 25 TO 35 KT. SEAS 3.0 TO 4.0 M. ELSEWHERE FROM 11N TO 18N BETWEEN 67W AND 81.5W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. FROM 10N TO 11N E OF 80W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL. .42 HOUR FORECAST FROM 11N TO 18N BETWEEN 68W AND 83W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M HIGHEST FROM 11N TO 15N BETWEEN 74W AND 78W. S OF 11N E OF 81W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NE SWELL. .48 HOUR FORECAST LITTLE CHANGE...EXCEPT SEAS 2.5 TO 3.5 M. S OF 11N WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NE SWELL. .SYNOPSIS AND FORECAST. ..ATLC AND CARIBBEAN LOW PRES NEAR 11N46.5W 1010 MB. FROM 11N TO 20N BETWEEN 40W AND 50W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. FROM 12N TO 17N BETWEEN 50W AND 60W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LOW PRES...PSBL TRPCL CYCLONE...NEAR 12N52W 1011 MB. FROM 12N TO 18N BETWEEN 47W AND 60W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M...HIGHEST WITHIN 150 NM NE QUADRANT OF LOW CENTER. .48 HOUR FORECAST TROPICAL WAVE ALONG 61W. FROM 12N TO 19N BETWEEN 55W AND 60W E TO SE WINDS 20 TO 30 KT. SEAS 3.0 TO 4.0 M. FROM 14N TO 19N BETWEEN 60W AND 65W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 E OF THE LEEWARD ISLANDS...INCLUDING CARIBBEAN PASSAGES. ELSEWHERE FROM 10N TO 20N BETWEEN 53W AND 62W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL. .ATLC 06 HOUR FORECAST FROM 20N TO 21.5N BETWEEN 69W AND 72W E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .12 HOUR FORECAST FROM 20N TO 22N BETWEEN 70W AND 73W E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LITTLE CHANGE...EXCEPT SEAS TO 2.5 M. .36 HOUR FORECAST FROM 20N TO 22N BETWEEN 70W AND 76W...INCLUDING APPROACHES TO THE WINDWARD PASSAGE...E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .48 HOUR FORECAST FROM 20N TO 21N BETWEEN 70W AND 74W...INCLUDING APPROACHES TO THE WINDWARD PASSAGE...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .FORECASTER GR. NATIONAL HURRICANE CENTER. $$