METAREA 4 bulletinset


HIGH SEAS FORECAST
FZNT01 KWBC 281540

HSFAT1

HIGH SEAS FORECAST FOR METAREA IV

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1630 UTC THU MAY 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAY 28.

24 HOUR FORECAST VALID 1200 UTC MAY 29.

48 HOUR FORECAST VALID 1200 UTC MAY 30.

.WARNINGS.

...GALE WARNING...

.COMPLEX LOW WITH MEAN CENTER 50N39W 987 MB NEARLY

STATIONARY. E OF A LINE FROM 32N43W TO 39N39W TO 43N49W

TO 51N54W TO 59N47W TO 63N39W WINDS 25 TO 35 KT. SEAS 3

TO 6 M. ELSEWHERE FROM 31N TO 65N E OF 53W WINDS 20 TO

30 KT. SEAS 2.5 TO 5 M.

.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER

52N38W 992 MB. WITHIN 480 NM N AND NW...AND BETWEEN

240 NM AND 540 NM S AND SE QUADRANTS WINDS 25 TO 35 KT.

SEAS 3 TO 5 M. ELSEWHERE WITHIN 720 NM N AND NE...660 NM

S AND SE...AND 600 NM NW QUADRANTS WINDS 20 TO 30 KT.

SEAS 2.5 TO 4 M.

.48 HOUR FORECAST LOW E OF AREA. N OF 55N E OF 48W N TO

NE WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.

...GALE WARNING...

.COMPLEX LOW WITH FIRST CENTER 43N62W 1002 MB MOVING

E 10 KT...AND A SECOND CENTER 37N63W 1005 MB MOVING NE

20 KT. WITHIN 300 NM E AND NE QUADRANTS OF FIRST CENTER...

AND N OF 31N...WITHIN 300 NM SE...AND 720 NM W AND SW

QUADRANTS OF SECOND CENTER WINDS 20 TO 30 KT. SEAS TO

3 M.

.12 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 44N60W

996 MB...AND A SECOND CENTER 39N58W 996 MB. WITHIN 180 NM

N SEMICIRCLE OF FIRST CENTER...AND WITHIN 300 NM SE...AND

420 NM W AND SW QUADRANTS OF SECOND CENTER WINDS 25

TO 35 KT. SEAS 2.5 TO 4 M.

.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 44N58W

993 MB...AND A SECOND CENTER 42N53W 988 MB. FROM 31N TO

47N BETWEEN 45W AND 65W WINDS 25 TO 40 KT. SEAS 3 TO 5 M.

ELSEWHERE FROM 31N TO 51N BETWEEN 44W AND 68W WINDS

20 TO 30 KT. SEAS 2.5 TO 4 M.

.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 46N51W

989 MB. FROM 36N TO 48N E OF 58W WINDS 25 TO 40 KT. SEAS 3

TO 5 M. ELSEWHERE FROM 31N TO 55N E OF 64W WINDS 20 TO

30 KT. SEAS 2.5 TO 4 M.

...GALE WARNING...

.36 HOUR FORECAST INLAND LOW 44N72W 1003 MB. FROM 38N

TO 44N W OF 69W WINDS TO 25 KT. SEAS TO 2.5 M.

.48 HOUR FORECAST LOW 42N70W 1000 MB. WITHIN 120 NM NE

QUADRANT WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE

FROM 35N TO 45N W OF 65W WINDS 20 TO 30 KT. SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.LOW 66N53W 1020 MB NEARLY STATIONARY. WITHIN 180 NM W

SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M.

.24 HOUR FORECAST LOW 65N54W 1019 MB. WITHIN 150 NM W

SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M.

.48 HOUR FORECAST LOW 65N56W 1018 MB. WINDS LESS THAN

25 KT. SEAS LESS THAN 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO

48N BETWEEN 59W AND 66W...AND FROM 45N TO 53N E OF 45W.

.24 HOUR FORECAST DENSE FOG FROM 42N TO 48N BETWEEN

51W AND 64W...AND FROM 51N TO 54N E OF 37W.

.48 HOUR FORECAST DENSE FOG FROM 46N TO 50N BETWEEN

46W AND 58W.

.LIGHT FREEZING SPRAY N OF 61N W OF 56W...AND N OF 64N E OF

GREENLAND.

.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF 62N W OF 57W.

.48 HOUR FORECAST CONDITIONS IMPROVED.

.FORECASTER MILLS. 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 1200 UTC THU MAY 28.

24 HOUR FORECAST VALID 1200 UTC FRI MAY 29.

48 HOUR FORECAST VALID 1200 UTC SAT MAY 30.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC S OF 15N BETWEEN 50W AND 60W WINDS 20 KT OR LESS. SEAS 2.5

TO 3.0 M IN NE TO E SWELL.

.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.ATLC N OF 30N BETWEEN 40W AND 45W WINDS 20 KT OR LESS. SEAS 2.5

M IN NW SWELL.

.12 HOUR FORECAST N OF 29N BETWEEN 38W AND 44W WINDS 20 KT OR

LESS. SEAS 2.5 TO 3.0 M IN N W SWELL.

.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.ATLC 18 HOUR FORECAST COLD FRONT N OF AREA. N OF 30N BETWEEN 56W

AND 70W SW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

.24 HOUR FORECAST COLD FRONT N OF AREA. N OF A LINE FROM 31N51W

TO 28N64W TO 31N69W SW TO W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.

.48 HOUR FORECAST COLD FRONT JUST N OF AREA. N OF 30N BETWEEN 50W

AND 55W SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M IN NW SWELL.

ELSEWHERE N OF A LINE FROM 31N45W TO 28N55W TO 31N58W WINDS 20 KT

OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.

.CARIBBEAN FROM 11N TO 17.5N BETWEEN 68W AND 80W...INCLUDING GULF

OF VENEZUELA...NE TO E WINDS 20 TO 25 KT...EXCEPT 25 TO 30 KT

OFFSHORE COLOMBIA. SEAS 2.5 TO 3.5 M. ELSEWHERE FROM 10N TO

11N E OF 78W...AND FROM 11N TO 17N BETWEEN 80W AND 82W WINDS

20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.

.24 HOUR FORECAST FROM 11N TO 16.5N BETWEEN 68W AND

80W...INCLUDING GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT.

SEAS 2.5 TO 3.0 M.

.48 HOUR FORECAST LITTLE CHANGE.

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

.FORECASTER GR. NATIONAL HURRICANE CENTER.

$$