METAREA 4 bulletinset


HIGH SEAS FORECAST
FZNT01 KWBC 162142

HSFAT1

HIGH SEAS FORECAST FOR METAREA IV

NWS OCEAN PREDICTION CENTER WASHINGTON DC

2230 UTC SAT MAY 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 16.

24 HOUR FORECAST VALID 1800 UTC MAY 17.

48 HOUR FORECAST VALID 1800 UTC MAY 18.

.WARNINGS.

...GALE WARNING...

.LOW 50N52W 990 MB MOVING NE 20 KT. FROM 36N TO 53N BETWEEN 36W

AND 62W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.

.24 HOUR FORECAST LOW 53N40W 986 MB. FROM 43N TO 48N E OF 44W

WINDS 35 TO 45 KT. SEAS 4 TO 8 M. ELSEWHERE FROM 37N TO 57N E OF

54W WINDS 25 TO 40 KT. SEAS 3 TO 6 M...HIGHEST NEAR 43N45W.

.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER JUST E OF AREA

NEAR 54N33W 985 MB. FROM 49N TO 63N E OF 47W WINDS 25 TO 40 KT.

SEAS 3 TO 5 M...HIGHEST NEAR 50N35W.

...GALE WARNING...

.COMPLEX LOW WITH MAIN CENTER NEAR 62N36W 990 MB DRIFTING SW 05

KT. N OF 57N E OF 44W WINDS 25 TO 35 KT. SEAS 3.5 TO 5.5 M.

ELSEWHERE E OF A LINE FROM 66N35W TO 59N45W TO 52N35W WINDS TO 25

KT. SEAS 2.5 TO 4 M.

.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 62N40W 1002

MB. N OF 63N E OF GREENLAND WINDS TO 25 KT. SEAS TO 3.5 M.

.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...GALE WARNING...

.24 HOUR FORECAST COMPLEX LOW INLAND FROM 39N TO 61N W OF 55W

WINDS 25 TO 35 KT. SEAS TO 2.5 M.

.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 49N46W 998 MB.

WITHIN 600 NM SE AND 660 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS

2.5 TO 4 M.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST LOW 62N64W 1003 MB. WITHIN 180 NM E SEMICIRCLE

WINDS TO 25 KT. SEAS LESS THAN 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 52N

BETWEEN 38W AND 56W...N OF 61N BETWEEN 38W AND 42W...AND FROM 58N

TO 59N W OF 61W.

.24 HOUR FORECAST DENSE FOG FROM 51N TO 55N BETWEEN 43W AND

47W...WITHIN 60 NM NW OF A LINE FROM 60N42W TO 65N38W TO

65N35W...AND FROM 60N TO 61N W OF 57W.

.48 HOUR FORECAST DENSE FOG FROM 58N TO 65N BETWEEN 61W AND

65W...N OF 65N W OF GREENLAND...AND FROM 49N TO 51N W OF 51W.

.FORECASTER HYDE. 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 SAT MAY 16.

24 HOUR FORECAST VALID 1800 UTC SUN MAY 17.

48 HOUR FORECAST VALID 1800 UTC MON MAY 18.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 22N35W TO 22N51W TO 17N60W TO 09N60W TO 06N53W TO

07N35W TO 22N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M

IN NE TO E SWELL.

.24 HOUR FORECAST LITTLE CHANGE.

.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN WITHIN 15N73W TO 17N77W TO 16N81W TO 12N81W TO 10N76W

TO 12N72W TO 15N73W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M

IN E SWELL.

.24 HOUR FORECAST WITHIN 14N70W TO 15N77W TO 12N81W TO 10N79W TO

11N69W TO 14N70W NE TO E WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.

.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN 06 HOUR FORECAST WITHIN 17N85W TO 17N86W TO 17N88W TO

16N87W TO 17N86W TO 16N86W TO 17N85W...INCLUDING THE GULF OF

HONDURAS... E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

.24 HOUR FORECAST LITTLE CHANGE.

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

LESS THAN 2.5 M.

.GULF OF AMERICA 36 HOUR FORECAST WITHIN 24N88W TO 24N91W TO

22N91W TO 22N90W TO 22N88W TO 24N88W E TO SE WINDS 20 TO 25 KT.

SEAS LESS THAN 2.5 M.

.48 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 CHRISTENSEN. NATIONAL HURRICANE CENTER.

$$