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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.
$$