North Atlantic High Seas Forecast

FZNT01 KWBC 160958
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC THU APR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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).

SECURITE

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0600 UTC APR 16. 
24 HOUR FORECAST VALID 0600 UTC APR 17.
48 HOUR FORECAST VALID 0600 UTC APR 18.

.WARNINGS.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 61N41W 990 MB. N OF 52N E OF 45W WINDS
25 TO 40 KT. SEAS 2.5 TO 5.5 M.
.30 HOUR FORECAST LOW 61N41W 983 MB. WITHIN 180 NM SE SEMICIRCLE
WINDS 40 TO 50 KT. SEAS 4 TO 6.5 M.
.48 HOUR FORECAST LOW 62N38W 982 MB. N OF 56N E OF 60W WINDS 25
TO 40 KT. SEAS 2.5 TO 5.5 M.

...GALE WARNING...
.LOW 65N61W 994 MB MOVING SE 10 KT. N OF 54N W OF 52W WINDS 25 TO
35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 61N55W 993 MB. N OF 54N W OF 45W WINDS 25
TO 40 KT. SEAS 2.5 TO 5.5 M.
.48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 43N62W 1004 MB. WITHIN 360 NM SE...AND
720 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 49N43W 999 MB. FROM 41N TO 53N BETWEEN 35W
AND 53W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.

...HEAVY FREEZING SPRAY WARNING... 
.LIGHT TO MODERATE FREEZING SPRAY N OF 55N W OF 50W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 55N W OF
45W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 58N W OF
55W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM
51N59W TO 59N44W.

.SYNOPSIS AND FORECAST.

.FROM 37N TO 59N E OF 40W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW 43N56W 1014 MB MOVING SE 20 KT. FROM 35N TO 45N BETWEEN 49W
AND 75W WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 46N
BETWEEN 50W AND 72W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 48N BETWEEN 61W AND
72W...AND N OF 57N W OF 55W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 54N BETWEEN 52W AND
39W...AND N OF 63N W OF GREENLAND.

.FORECASTER BYRD. 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 0600 UTC THU APR 16.
24 HOUR FORECAST VALID 0600 UTC FRI APR 17.
48 HOUR FORECAST VALID 0600 UTC SAT APR 18.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC TROUGH FROM 31N64W TO 20N70W. S OF 25N W OF TROUGH TO 77W
NE 
WINDS 20 TO 25 KT. SEAS 2.5 M E OF THE BAHAMAS. 
.06 HOUR FORECAST TROUGH FROM 30N65W TO 20N72W. WINDS 20 KT OR
LESS. 
SEAS LESS THAN 2.5 M.

.ATLC N OF 23N E OF 40W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
NW 
TO N SWELL.
.06 HOUR FORECAST FROM 21N TO 28N E OF 39W WINDS 20 KT OR LESS.
SEAS 
2.5 TO 3.0 M IN NW TO N SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.ATLC FROM 06N TO 12N BETWEEN 50W AND 56W NE TO E WINDS 20 TO 25
KT. 
SEAS 2.5 TO 3.0 M. 
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.CARIBBEAN N OF 18N BETWEEN 73W AND 76W...INCLUDING THE WINDWARD 
PASSAGE...NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. N OF 19.5N 
BETWEEN 77.5W AND 81W NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

.06 HOUR FORECAST FROM 18N TO 20N BETWEEN 78W AND 82.5W NE TO E 
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.GULF OF AMERICA FROM 20N TO 22.5N BETWEEN 89W AND 93W NE TO E
WINDS 
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST 20N TO 22.5N BETWEEN 90W AND 93W NE TO E WINDS
20 
TO 25 KT. SEAS LESS THAN 2.5 M.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST FROM 20N TO 22.5N BETWEEN 89W AND 93W NE TO E 
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

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


.FORECASTER GR. NATIONAL HURRICANE CENTER.

$$