HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SUN SEP 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
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 13.
24 HOUR FORECAST VALID 1200 UTC SEP 14.
48 HOUR FORECAST VALID 1200 UTC SEP 15.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER JUST E OF AREA 61N33W 990 MB
MOVING NE 15 KT. WITHIN 240 NM NW AND 660 NM SW QUADRANTS WINDS
25 TO 40 KT. SEAS 2.5 TO 5 M. ELSEWHERE FROM 45N TO 59N W OF 50W
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW WELL E OF AREA. FROM 45N TO 59N E OF 42W
WINDS LESS THAN 25 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST CONDITIONS MOVED E OF AREA.
...GALE WARNING...
.INLAND LOW 59N68W 987 MB. WITHIN 240 NM NE AND 360 NM SE
QUADRANTS WINDS 25 TO 35 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 64N66W 989 MB. WITHIN 240 NM E QUADRANT
AND WITHIN 120 NM NE OF A LINE FROM 60N51W TO 54N59W WINDS 20 TO
30 KT. SEAS TO 2.5 M.
.30 HOUR FORECAST LOW 64N65W 991 MB. WITHIN 120 NM OF THE W
COAST OF GREENLAND N OF 60N WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5
M.
.48 HOUR FORECAST LOW MOVED N OF AREA. CONDITIONS MERGED WITH
LOW 60N49W DESCRIBED IN GALE WARNING BELOW.
...GALE WARNING...
.24 HOUR FORECAST NEW LOW 45N62W 1008 MB. WITHIN 360 NM SE
QUADRANT WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.36 HOUR FORECAST LOW 51N56W 1003 MB. WITHIN 540 NM E SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST ORIGINAL LOW DISSIPATED AND NEW LOW FORMED
NEAR 60N49W 995 MB. WITHIN 90 NM NE AND 420 NM SW QUADRANTS AND
FROM 48N TO 58N BETWEEN 39W AND 49W WINDS 25 TO 35 KT. SEAS 2.5
TO 4.5 M.
.SYNOPSIS AND FORECAST.
.IN THE GULF OF SAINT LAWRENCE N OF 47N E OF 64W AREA OF SW
WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST IN THE GULF OF SAINT LAWRENCE N OF 48N E OF
62W AREA OF SW WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS ABSORBED BY LOW 60N49W DESCRIBED IN
THIRD GALE WARNING ABOVE.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 39N W OF 71W.
.24 HOUR FORECAST DENSE FOG NW OF A LINE FROM 62N66W TO 66N61W
AND FROM 43N TO 58N BETWEEN 57W AND 68W.
.48 HOUR FORECAST DENSE FOG WITHIN 300 NM E OF A LINE FROM
63N51W TO 54N51W TO 44N56W.
.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 SUN SEP 13.
24 HOUR FORECAST VALID 1200 UTC MON SEP 14.
48 HOUR FORECAST VALID 1200 UTC TUE SEP 15.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.CARIBBEAN WITHIN 12N75W TO 13N76W TO 11N77W TO 11N76W TO 11N75W
TO 12N75W NE TO E WINDS 25 TO 30 KT. SEAS 3.5 TO 4.5 M.
ELSEWHERE...WITHIN 16N73W TO 15N81W TO 13N82W TO 10N81W TO
10N77W TO 12N72W TO 16N73W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO
3.5 M.
.24 HOUR FORECAST WITHIN 14N74W TO 15N77W TO 15N80W TO 13N81W TO
11N77W TO 11N74W TO 14N74W NE TO E WINDS 20 TO 30 KT. SEAS 2.5
TO 3.5 M.
.48 HOUR FORECAST WITHIN 13N73W TO 12N75W TO 13N76W TO 12N77W TO
11N77W TO 11N75W TO 13N73W NE TO E WINDS 20 TO 25 KT. SEAS 2.5
TO 3.0 M.
.CARIBBEAN WITHIN 17N85W TO 18N87W TO 17N88W TO 16N89W TO 16N88W
TO 16N85W TO 17N85W...INCLUDING THE GULF OF HONDURAS...E WINDS
20 TO 25 KT. SEAS 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.