751 

FZNT01 KWBC 162132
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC APR 16.
24 HOUR FORECAST VALID 1800 UTC APR 17.
48 HOUR FORECAST VALID 1800 UTC APR 18.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH FIRST CENTER 65N60W 992 MB MOVING SE 15 KT AND
SECOND CENTER 62N51W 990 MB MOVING E 15 KT. FROM 54N TO 64N W OF
48W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE N OF 50N W OF
43W WINDS TO 25 KT. SEAS TO 3 M.
.18 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 60N53W 995 MB AND
SECOND CENTER 62N41W 980 MB. WITHIN 120 NM SE SEMICIRCLE OF
SECOND CENTER WINDS 40 TO 55 KT. SEAS 4 TO 7 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 59N51W 993 MB AND
SECOND CENTER 62N40W 981 MB. WITHIN 180 NM SE SEMICIRCLE OF
SECOND CENTER WINDS 40 TO 55 KT. SEAS 5 TO 8 M. ALSO WITHIN 360
NM SE SEMICIRCLE OF SECOND CENTER...AND WITHIN 300 NM S AND W
SEMICIRCLES OF FIRST CENTER WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.
ELSEWHERE FROM 50N TO 65N W OF 35W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST COMBINED LOW 62N40W 990 MB. N OF 60N W OF
35W...AND BETWEEN 300 NM AND 600 NM SW SEMICIRCLE...EXCEPT WHERE
DESCRIBED BELOW...WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5 M...HIGHEST
NE AND E OF CENTER.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 52N51W 1002 MB. WITHIN 900 NM SE
QUADRANT AND BETWEEN 420 NM AND 900 NM S QUADRANT WINDS TO 25 KT.
SEAS TO 2.5 M.
.36 HOUR FORECAST LOW 52N42W 990 MB. FROM 41N TO 57N E OF 51W
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW 52N39W 982 MB. WITHIN 150 NM W SEMICIRCLE
WINDS 45 TO 60 KT. SEAS 5 TO 8 M. ALSO FROM 46N TO 58N E OF 43W
WINDS 30 TO 45 KT. SEAS 4 TO 7 M. ELSEWHERE FROM 42N TO 60N E OF
51W...EXCEPT WHERE OTHERWISE DESCRIBED...WINDS 20 TO 30 KT. SEAS
2.5 TO 4.5 M.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY W OF A LINE FROM 56N55W TO
60N51W TO 64N55W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF
53N W OF 48W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY WITHIN 90 NM E
OF A LINE FROM 57N57W TO 61N60W TO 65N53W. ELSEWHERE LIGHT TO
MODERATE FREEZING SPRAY NW OF A LINE FROM 53N51W TO 60N38W TO
64N39W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW OF A LINE
FROM 61N60W TO 64N52W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY
N OF 46N W OF 49W...AND N OF 58N W OF 46W.

.SYNOPSIS AND FORECAST.

.FROM 40N TO 55N E OF 40W AREA OF NW TO W WINDS TO 25 KT. SEAS TO
3 M.
.24 HOUR FORECAST CONDITIONS E OF AREA.

.LOW E OF AREA 64N31W 991 MB MOVING W 10 KT. N OF 58N E OF 43W
WINDS TO 25 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW AND CONDITIONS DESCRIBED WITH LOW 62N41W IN
WARNINGS SECTION ABOVE.

.LOW 43N53W 1014 MB MOVING SE 15 KT. FROM 35N TO 42N BETWEEN 42W
AND 72W WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 37N35W 1014 MB. WITHIN 180 NM OF LOW CENTER
WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 360 NM NW OF
A LINE FROM 36N70W TO 40N65W TO 41N51W...WITHIN THE GULF OF SAINT
LAWRENCE...AND NW OF A LINE FROM 51N50W TO 56N40W TO 60N40W TO
61N35W.
.24 HOUR FORECAST DENSE FOG NW OF A LINE FROM 35N74W TO 40N64W TO
40N48W TO 53N40W TO 55N54W...FROM 52N TO 56N E OF 48W...AND N OF
57N W OF 35W.
.48 HOUR FORECAST DENSE FOG FROM 37N TO 43N W OF 65W...FROM 44N
TO 59N E OF 44W...WITHIN 300 NM OF W GREENLAND COAST BETWEEN 45W
AND 54W...AND N OF 62N E OF GREENLAND.

.FORECASTER ANDERSON. 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 1800 UTC THU APR 16.
24 HOUR FORECAST VALID 1800 UTC FRI APR 17.
48 HOUR FORECAST VALID 1800 UTC SAT APR 18.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 28N35W TO 26N39W TO 24N41W TO 20N39W TO 18N35W TO
28N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.ATLC WITHIN 15N59W TO 11N59W TO 06N53W TO 08N42W TO 09N42W TO
15N59W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.
.24 HOUR FORECAST WITHIN 13N35W TO 15N43W TO 12N50W TO 12N59W TO
06N54W TO 07N44W TO 13N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN NE SWELL.
.48 HOUR FORECAST WITHIN 08N48W TO 09N50W TO 08N51W TO 07N50W TO
07N47W TO 08N48W 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 CHRISTENSEN. NATIONAL HURRICANE CENTER.

$$






776 

FZPN01 KWBC 162132
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC THU APR 16 2026

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).

SECURITE

PACIFIC S OF 67N AND N OF 30N E OF A LINE FROM THE BERING STRAIT
TO 53N172E TO 50N180W TO 30N180W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1800 UTC APR 16.
24 HOUR FORECAST VALID 1800 UTC APR 17.
48 HOUR FORECAST VALID 1800 UTC APR 18.

.WARNINGS.

...STORM WARNING...
.12 HOUR FORECAST LOW W OF AREA NEAR 46N169E 988 MB. FROM 38N TO
48N BETWEEN 180W AND 177W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.18 HOUR FORECAST LOW W OF AREA NEAR 48N172E 985 MB. FROM 39N TO
51N BETWEEN 180W AND 174W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 51N175E 975 MB. BETWEEN 90 NM AND 360 NM E
AND SE QUADRANTS WINDS 35 TO 45 KT. SEAS 4 TO 7 M. ALSO WITHIN
420 NM E AND NE..AND 600 NM S AND SE QUADRANTS WINDS 25 TO 40 KT.
SEAS 3 TO 6 M. ELSEWHERE FROM 35N TO 56N BETWEEN 180W AND 170W
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW 55N179W 965 MB. BETWEEN 90 NM AND 240 NM N
AND NW QUADRANTS WINDS 35 TO 50 KT. SEAS 5 TO 8 M. ALSO WITHIN
420 NM E SEMICIRCLE WINDS 25 TO 40 KT. SEAS 4 TO 7 M. ELSEWHERE
N OF 48N BETWEEN 180W AND 156W WINDS 20 TO 30 KT. SEAS 3 TO 5 M.

...GALE WARNING...
.LOW 44N148W 1010 MB MOVING NE 20 KT. WITHIN 480 NM E AND NE...
AND 600 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 48N143W 1007 MB. FROM 35N TO 52N BETWEEN
158W AND 131W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.36 HOUR FORECAST LOW 50N141W 999 MB. WITHIN 420 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M.
.48 HOUR FORECAST LOW 48N139W 997 MB. BETWEEN 180 NM AND 360 NM
NE...AND WITHIN 540 NM SW AND 360 NM NW QUADRANTS WINDS 25 TO 40
KT. SEAS 4 TO 6 M. ELSEWHERE FROM 33N TO 57N BETWEEN 152W AND
127W WINDS 20 TO 30 KT. SEAS 3 TO 5 M.

...GALE WARNING...
.36 HOUR FORECAST LOW W OF AREA NEAR 37N175E 994 MB. FROM 34N
TO 45N BETWEEN 180W AND 171W WINDS 25 TO 35 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW 39N180W 999 MB. W OF A LINE FROM 34N170W
TO 48N161W WINDS 25 TO 40 KT. SEAS 4 TO 7 M. ELSEWHERE FROM
30N TO 48N BETWEEN 180W AND 157W WINDS 20 TO 30 KT. SEAS 3 TO
6 M.

.SYNOPSIS AND FORECAST.

.FROM 31N TO 50N E OF 129W N TO NW WINDS 20 TO 30 KT. SEAS
2.5 TO 4 M.
.24 HOUR FORECAST FROM 31N TO 43N E OF 127W N WINDS TO 25 KT.
SEAS TO 3 M.
.36 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW 57N170W 1001 MB MOVING NE 15 KT. BETWEEN 180 NM AND 720
NM S AND SW...AND BETWEEN 120 NM AND 480 NM NW QUADRANTS...AND
WITHIN 300 NM E OF A FRONT EXTENDING FROM 51N156W TO 59N153W
WINDS TO 25 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW MOVED INLAND OVER ALASKA WITH ASSOCIATED
CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 56N E OF
137W...FROM 41N TO 46N BETWEEN 150W AND 141W...AND FROM 56N TO
63N BETWEEN 180W AND 144W.
.24 HOUR FORECAST DENSE FOG FROM 46N TO 49N BETWEEN 136W AND
142W...N OF 53N BETWEEN 149W AND 132W...FROM 55N TO 60N BETWEEN
164W AND 158W...AND FROM 48N TO 54N BETWEEN 180W AND 169W.
.48 HOUR FORECAST DENSE FOG FROM 38N TO 47N BETWEEN 132W AND
128W...N OF 42N BETWEEN 148W AND 134W...AND FROM 53N TO 61N
BETWEEN 180W AND 155W.

.LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF 167W.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 58N
W OF 160W.

.FORECASTER MILLS. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1800 UTC THU APR 16.
24 HOUR FORECAST VALID 1800 UTC FRI APR 17.
48 HOUR FORECAST VALID 1800 UTC SAT APR 18.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.06 HOUR FORECAST WITHIN 31N113.5W TO 31N114W TO 30.5N114.5W TO
30.5N113.5W TO 30.5N113W TO 31N113.5W...INCLUDING THE GULF OF
CALIFORNIA...S TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.18 HOUR FORECAST WITHIN 30N119W TO 30N125W TO 29N124W TO
29N122W TO 30N119W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW TO
N SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.06 HOUR FORECAST WITHIN 23N109W TO 23N110W TO 22N110W TO
22N109W TO 23N109W...INCLUDING WITHIN 60 NM OF CABO SAN
LUCAS...NW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

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

CONVECTION VALID AT 2015 UTC THU APR 16...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH EXTENDS FROM 07N77W TO 08N86W TO 06N95W TO 4.5N105W
TO 05N110W TO 06N115W. ITCZ AXIS EXTENDS FROM 06N115W TO 05N125W
TO 06N132W TO 06N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN
180 NM N OF THE TROUGH BETWEEN 108W AND 113W AND WITHIN 60 NM OF
THE ITCZ BETWEEN 115W AND 119W. SCATTERED MODERATE WITHIN 120 NM
N OF THE ITCZ BETWEEN 124.5W AND 132W...WITHIN 60 NM S OF THE
TROUGH BETWEEN 95W AND 99W AND WITHIN 60 NM OF THE TROUGH BETWEEN
103W AND 108W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.