METAREA 4 bulletinset


HIGH SEAS FORECAST
FZNT01 KWBC 130405

HSFAT1

HIGH SEAS FORECAST FOR METAREA IV

NWS OCEAN PREDICTION CENTER WASHINGTON DC

0430 UTC WED MAY 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

SECURITE

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

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0000 UTC MAY 13.

24 HOUR FORECAST VALID 0000 UTC MAY 14.

48 HOUR FORECAST VALID 0000 UTC MAY 15.

.WARNINGS.

...GALE WARNING...

.COMPLEX LOW WITH MEAN CENTER 48N56W 1000 MB MOVING NE 15 KT.

FROM 39N TO 49N BETWEEN 48W AND 53W WINDS 25 TO 35 KT. SEAS 2.5

TO 3.5 M. ELSEWHERE FROM 33N TO 54N BETWEEN 42W AND 67W WINDS 20

TO 30 KT. SEAS TO 3 M.

.24 HOUR FORECAST LOW 54N53W 987 MB. FRONT TO EXTEND FROM 59N48W

TO 58N44W TO 55N44W TO 49N43W TO 37N44W. WITHIN 180 NM SW AND W

QUADRANTS...FROM 52N TO 58N BETWEEN 54W AND 58W...WITHIN 60 NM

NE OF FRONT N OF 59N AND WITHIN 180 NM E OF FRONT FROM 46N TO

55N WINDS 25 TO 40 KT. SEAS 3 TO 5 M...EXCEPT N OF 59N SEAS TO 3

M. ELSEWHERE FROM 43N TO 61N BETWEEN 43W AND 59W...WITHIN 540 NM

E AND SE QUADRANTS AND WITHIN 360 NM E OF FRONT S OF 59N WINDS

20 TO 30 KT. SEAS 2.5 TO 4.5 M...EXCEPT WITHIN THE GULF OF SAINT

LAWRENCE SEAS TO 2.5 M.

.48 HOUR FORECAST LOW 57N42W 996 MB. WITHIN 480 NM S AND 360 NM

SW QUADRANTS WINDS 25 TO 40 KT. SEAS 4 TO 7 M...HIGHEST NEAR

53N44W. ELSEWHERE E OF A LINE FROM 58N54W TO 44N43W AND WITHIN

180 NM SW AND S OF A LINE FROM 58N49W TO 62N60W WINDS 20 TO 30

KT. SEAS TO 4 M...HIGHEST S OF LOW.

...GALE WARNING...

.LOW 64N58W 1000 MB MOVING N 15 KT. WITHIN 90 NM NE AND E OF A

LINE FROM 65N54W TO 61N50W WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.

ELSEWHERE N OF 60N W OF 48W WINDS TO 25 KT. SEAS TO 3 M.

.24 HOUR FORECAST LOW N OF AREA 69N59W 1006 MB. CONDITIONS

DIMINISHED.

...GALE WARNING...

.24 HOUR FORECAST NEW LOW 33N74W 1009 MB. FROM 31N TO 39N

BETWEEN 65W AND 74W AREA OF E TO SE WINDS TO 25 KT. SEAS TO 2.5

M.

.30 HOUR FORECAST LOW 34N72W 1006 MB. BETWEEN 120 NM AND 480 NM

E QUADRANT WINDS 25 TO 35 KT. SEAS TO 3 M.

.48 HOUR FORECAST LOW 41N63W 999 MB. WITHIN 180 NM N AND S

QUADRANTS AND FROM 36N TO 44N BETWEEN 54W AND 64W WINDS 25 TO 40

KT. SEAS 3 TO 5.5 M. ELSEWHERE WITHIN 480 NM E...600 NM S...180

NM W AND 240 NM N QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.

.SYNOPSIS AND FORECAST.

.LOW 63N39W 1014 MB MOVING NE 15 KT THEN TURNING E BY 12 HOURS.

FROM 60N TO 64N E OF 41W WINDS TO 25 KT. SEAS TO 2.5 M.

.24 HOUR FORECAST LOW E OF THE AREA. CONDITIONS DIMINISHED.

.48 HOUR FORECAST NEW LOW 62N39W 999 MB. WITHIN 240 NM NW

SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 4 M...HIGHEST NEAR 59N44W.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 54N

BETWEEN 44W AND 57W...FRON 53N TO 57N BETWEEN 45W AND 35W...FROM

59N TO 63N BETWEEN 41W AND 50W...AND N OF 64N W OF 53W.

.24 HOUR FORECAST DENSE FOG E OF A LINE FROM 61N43W TO 60N45W TO

56N49W TO 52N40W...AND FROM 52N TO 55N BETWEEN 52W AND 55W.

.48 HOUR FORECAST DENSE FOG W OF A LINE FROM 44N63W TO 39N69W.

.FORECASTER BANCROFT. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

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

GULF OF AMERICA

SYNOPSIS VALID 0000 UTC WED MAY 13.

24 HOUR FORECAST VALID 0000 UTC THU MAY 14.

48 HOUR FORECAST VALID 0000 UTC FRI MAY 15.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N77W TO 31N81W TO 30N82W TO 30N80W TO 30N79W TO

30N78W TO 31N77W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NE

SWELL.

.24 HOUR FORECAST WITHIN 31N69W TO 31N75W TO 29N75W TO 29N74W TO

30N73W TO 30N70W TO 31N69W S TO SW WINDS 20 TO 25 KT. SEAS 2.5

TO 3.0 M IN E SWELL.

.48 HOUR FORECAST WITHIN 31N62W TO 31N69W TO 29N69W TO 29N68W TO

30N64W TO 31N62W S TO SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.

.ATLC WITHIN 18N35W TO 11N48W TO 09N56W TO 07N53W TO 08N36W TO

18N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.

.24 HOUR FORECAST WITHIN 21N35W TO 20N47W TO 17N48W TO 09N57W TO

06N52W TO 07N35W TO 21N35W NE TO E WINDS 20 TO 25 KT. SEAS 2.5

TO 3.0 M.

.48 HOUR FORECAST WITHIN 21N35W TO 23N48W TO 14N60W TO 06N53W TO

07N35W TO 21N35W...INCLUDING ATLANTIC EXPOSURES...NE TO E WINDS

20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NE SWELL.

.CARIBBEAN WITHIN 13N69W TO 14N72W TO 14N74W TO 11N73W TO 11N71W

TO 11N70W TO 13N69W...INCLUDING THE GULF OF VENEZUELA... NE TO E

WINDS 20 TO 30 KT. SEAS 2.5 M.

.24 HOUR FORECAST WITHIN 14N69W TO 14N71W TO 13N74W TO 11N74W

TO 11N71W TO 12N69W TO 14N69W...INCLUDING THE GULF OF

VENEZUELA... NE TO E WINDS 20 TO 25 KT. SEAS 2.5 M.

.48 HOUR FORECAST WITHIN 13N64W TO 14N68W TO 14N73W TO 11N72W

TO 11N69W TO 10N65W TO 13N64W...INCLUDING THE GULF OF

VENEZUELA... E WINDS 20 TO 25 KT. SEAS TO 2.5 M.

.GULF OF AMERICA WITHIN 29N86W TO 30N87W TO 30N88W TO 29N88W TO

28N88W TO 29N86W NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS

LESS THAN 2.5 M.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

$$

.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.