223
FZNT01 KWBC 180934
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC TUE AUG 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC AUG 18.
24 HOUR FORECAST VALID 0600 UTC AUG 19.
48 HOUR FORECAST VALID 0600 UTC AUG 20.

.WARNINGS.

...GALE WARNING...
.LOW 41N68W 1008 MB MOVING NE 10 KT. WITHIN 180 NM NE AND 240 NM
SE QUADRANTS WINDS 25 TO 35 KT. SEAS TO 3 M. ELSEWHERE WITHIN
360 NM SE QUADRANT WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 43N65W 1009 MB. WITHIN 420 NM NE AND 300
NM SE QUADRANT WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW DISSIPATED. FROM 43N TO 55N BETWEEN 48W
AND 61W WINDS 20 TO 30 KT. SEAS TO 3 M.

...GALE WARNING...
.LOW 67N59W 1005 MB MOVING 15 KT. WITHIN 240 NM SE QUADRANT
WINDS 25 TO 40 KT. SEAS TO 3 M. ELSEWHERE WITHIN 360 NM SE
QUADRANT WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST N OF 65N BETWEEN THE W COAST OF GREENLAND AND
55W WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.SYNOPSIS AND FORECAST.

.FROM 46N TO 51N BETWEEN 57W AND 62W WINDS TO 25 KT. SEAS TO 2.5
M.
.24 HOUR FORECAST FROM 52N TO 58N BETWEEN 43W AND 50W WINDS TO
25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW 37N48W 1014 MB MOVING NE 10 KT. WITHIN 300 NM SE QUADRANT
WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 38N49W 1014 MB. WINDS LESS THAN 25 KT.
SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW 41N45W 1016 MB MOVING NE 15 KT. WITHIN 120 NM NW AND SE
QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 44N44W 1019 MB. CONDITIONS DINMISHED.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 41N TO 45N BETWEEN 66W AND 70W ...AND FROM 58N TO 66N
BETWEEN 55W AND 65W.
.24 HOUR FORECAST DENSE FOG FROM 40N TO 45N BETWEEN 63W AND
69W...AND FROM 52N TO 65N BETWEEN 45W AND 60W.
.48 HOUR FORECAST DENSE FOG FROM 54N TO 65N BETWEEN 45W AND 65W.

.FORECASTER HOLLEY. 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 0600 UTC TUE AUG 18.
24 HOUR FORECAST VALID 0600 UTC WED AUG 19.
48 HOUR FORECAST VALID 0600 UTC THU AUG 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N48W TO 31N51W TO 30N51W TO 29N50W TO 30N48W TO
31N48W WINDS 20 KT OR LESS. SEAS 2.5 M.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.CARIBBEAN WITHIN 14N72W TO 15N75W TO 16N80W TO 12N83W TO 12N81W
TO 14N77W TO 14N72W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 13N73W TO 13N76W TO 12N77W TO 11N77W TO
11N75W TO 12N72W TO 13N73W NE TO E WINDS 20 TO 25 KT. SEAS 2.5
M.
.48 HOUR FORECAST WITHIN 13N67W TO 15N70W TO 15N75W TO 11N77W TO
12N72W TO 11N67W TO 13N67W...INCLUDING THE GULF OF VENEZUELA...E
WINDS 20 TO 25 KT. SEAS 2.5 M.

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

$$
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.