685
FZNT01 KWBC 151532
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC TUE SEP 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 15.
24 HOUR FORECAST VALID 1200 UTC SEP 16.
48 HOUR FORECAST VALID 1200 UTC SEP 17.

.WARNINGS.

...STORM WARNING...
.LOW 58N46W 998 MB MOVING NE 30 KT AND INTENSIFYING. WITHIN 90
NM OF THE COAST OF GREENLAND BETWEEN 42W AND 48W AND FROM 47N TO
58N BETWEEN 40W AND 50W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5
M...HIGHEST NEAR 52N44W. ELSEWHERE FROM 45N TO 58N E OF 53W
WINDS TO 25 KT. SEAS TO 3.5 M.
.12 HOUR FORECAST LOW 62N37W 983 MB. WITHIN 240 NM S QUADRANT
AND WITHIN 90 NM W AND NW OF A LINE FROM 60N38W TO 64N38W WINDS
35 TO 50 KT. SEAS 3.5 TO 5.5 M.
.24 HOUR FORECAST LOW E OF AREA 62N29W 975 MB. WITHIN 240 NM E
SEMICIRCLE AND WITHIN 180 NM N TO NE OF A LINE FROM 59N44W TO
57N41W TO 55N35W WINDS 35 TO 50 KT. SEAS 4 TO 7.5 M...HIGHEST
NEAR 58N35W. ELSEWHERE WITHIN 540 NM SW AND 240 NM NW QUADRANTS
WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW WELL E OF THE AREA. FROM 47N TO 64N E OF
44W WINDS LESS THAN 25 KT. SEAS 2.5 TO 4 M...HIGHEST NEAR 35W IN
N SWELL.

.SYNOPSIS AND FORECAST.

.LOW 63N52W 994 MB MOVING E 15 KT. WITHIN 60 NM W OF GREENLAND
FROM 61N TO 64N WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW ABSORBED AND CONDITIONS DESCRIBED ABOVE IN
WARNINGS SECTION WITH LOW JUST E OF THE AREA 62N29W.

.COMPLEX LOW WITH MAIN CENTER 39N60W 1016 MB MOVING NE 30 KT.
WITHIN 180 NM W AND NW OF A FRONT FROM 31N73W TO THE LOW TO
45N57W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST FIRST LOW DISSIPATED WITH NEW LOW 33N65W 1020
MB. WITHIN 480 NM W QUADRANT WINDS LESS THAN 25 KT. SEAS TO 2.5
M.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 56N TO 65N
BETWEEN 36W AND 48W AND WITHIN 300 NM NW OF A LINE FROM 43N56W
TO 48N47W TO 50N44W TO 54N45W.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM NW OF A LINE FROM
44N54W TO 47N42W.
.48 HOUR FORECAST DENSE FOG FROM 59N TO 61N BETWEEN 41W AND 50W
AND WITHIN 120 NM NW OF A LINE FROM 43N50W TO 51N35W.

.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 TUE SEP 15.
24 HOUR FORECAST VALID 1200 UTC WED SEP 16.
48 HOUR FORECAST VALID 1200 UTC THU SEP 17.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC 12 HOUR FORECAST COLD FRONT FROM 31N69W TO 29.5N81W.
WITHIN 31N74W TO 31N81W TO 30N81W TO 30N79W TO 31N77W TO 31N74W
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST STATIONARY FRONT FROM 31N69.5W TO 28N80.5W.
LITTLE CHANGE.
.48 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 31N71W TO
27N80W. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN
2.5 M.

.CARIBBEAN WITHIN 13N72W TO 14N73W TO 14N77W TO 11N77W TO 12N73W
TO 13N72W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF AMERICA 24 HOUR FORECAST COLD FRONT FROM 28N83W TO
29N88W. WITHIN 29N83W TO 30N86W TO 30N89W TO 29N89W TO 28N84W TO
28N83W TO 29N83W NE TO E WINDS 20 TO 25 KT. SEAS BUILDING TO 2.5
M.
.48 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 26N81W TO
25N91W. WITHIN 28N88W TO 29N90W TO 28N91W TO 27N90W TO 27N89W TO
28N88W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.

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

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.