HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SAT SEP 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 12.
24 HOUR FORECAST VALID 1200 UTC SEP 13.
48 HOUR FORECAST VALID 1200 UTC SEP 14.
.WARNINGS.
...GALE WARNING...
.LOW 52N50W 994 MB MOVING SE 25 KT TURNING E AFTER 12 HOURS.
FROM 45N TO 66N BETWEN 47W AND 58W WINDS 25 TO 35 KT. SEAS 2.5
TO 5 M.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS ABSORBED BY LOW
61N34W DESCRIBED IN GALE WARNING BELOW.
...GALE WARNING...
.LOW 56N43W 987 MB MOVING NE 20 KT. WITHIN 120 NM E OF A FRONT
FROM 57N36W TO 52N35W TO 46N37W WINDS 25 TO 35 KT. SEAS 2.5 TO 4
M. ELSEWHERE FROM 39N TO 58N E OF 47W WINDS 20 TO 30 KT. SEAS
2.5 TO 3.5 M.
.24 HOUR FORECAST LOW JUST E OF AREA 61N34W 992 MB. WITHIN 660
NM SE AND 240 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 5
M.
.48 HOUR FORECAST LOW E OF AREA 60N22W 1002 MB. FROM 41N TO 59N
E OF 49W WINDS LESS THAN 25 KT. SEAS 2.5 TO 3.5 M.
...GALE WARNING...
.24 HOUR FORECAST NEW INLAND LOW 59N68W 987 MB. WITHIN 300 NM E
QUADRANT WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.30 HOUR FORECAST INLAND LOW 60N69W 986 MB. WITHIN 300 NM E
QUADRANT WINDS 25 TO 35 KT. SEAS LESS THAN 3.5 M.
.48 HOUR FORECAST LOW 63N65W 990 MB. WITHIN 180 NM SE
QUADRANT...AND WITHIN 90 NM N AND E OF A FRONT FROM 66N58W TO
61N53W TO 60N51W...WINDS 20 TO 30 KT. SEAS TO 3 M.
.SYNOPSIS AND FORECAST.
.24 HOUR FORECAST IN THE GULF OF SAINT LAWRENCE N OF 47N E OF
61W AREA OF SW WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 47N TO 54N BETWEEN 43W AND 61W INCLUDING
WITHIN THE GULF OF SAINT LAWRENCE...AREA OF SW WINDS 20 TO 30
KT. SEAS TO 3 M.
.48 HOUR FORECAST NEW LOW 45N61W 1005 MB. FROM 38N TO 46N
BETWEEN 55W AND 64W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 54N TO 58N
BETWEEN 36W AND 47W.
.24 HOUR FORECAST CONDITIONS IMPROVED.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 47N BETWEEN 57W AND 68W
AND NW OF A LINE FROM 63N62W TO 67N57W.
.FORECASTER HYDE. 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 1200 UTC SAT SEP 12.
24 HOUR FORECAST VALID 1200 UTC SUN SEP 13.
48 HOUR FORECAST VALID 1200 UTC MON SEP 14.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC AND CARIBBEAN 09 HOUR FORECAST WITHIN 20N71W TO 20N72W TO
20N74W TO 19N75W TO 19N74W TO 20N71W NE TO E WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST CONDITIONS IMPROVE.
.CARIBBEAN WITHIN 16N72W TO 17N77W TO 15N81W TO 13N82W TO 11N77W
TO 13N70W TO 16N72W E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 15N69W TO 17N73W TO 15N81W TO 11N82W TO
10N77W TO 12N71W TO 15N69W...INCLUDING IN MONA PASSAGE AND THE
GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 16N72W TO 17N78W TO 15N82W TO 11N80W TO
11N76W TO 14N72W TO 16N72W NE TO E WINDS 20 TO 25 KT. SEAS 2.5
TO 3.0 M.
.CARIBBEAN 06 HOUR FORECAST WITHIN 17N86W TO 17N87W TO 17N88W TO
16N88W TO 16N87W TO 16N85W TO 17N86W...INCLUDING THE GULF OF
HONDURAS...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST CONDITIONS IMPROVE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.