High Seas Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
000
FZNT01 KWBC 271628
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC WED MAR 27 2024

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

FROM APRIL 1 TO OCTOBER 15, DUE TO THE CLIMATOLOGY OF THE NORTH
ATLANTIC, HIGH SEAS FORECASTS WILL ONCE AGAIN INCLUDE ALL
FORECASTS OF WINDS 20 TO 30 KNOTS AND SEAS 8 FEET OR GREATER.
ALSO, PLEASE SEE HTTPS://OCEAN.WEATHER.GOV/PROPOSED_HIGH_SEAS
_TROPICAL.PHP FOR A PROPOSAL, AND A REQUEST FOR COMMENTS, TO
INCREASE READABILITY OF THE HIGH SEAS FORECAST (WEB ADDRESS
LOWERCASE).

SECURITE

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

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1200 UTC MAR 27.
24 HOUR FORECAST VALID 1200 UTC MAR 28.
48 HOUR FORECAST VALID 1200 UTC MAR 29.

.WARNINGS.

...STORM WARNING...
.LOW E OF AREA NEAR 51N31W 992 MB MOVING S 40 KT. WITHIN AN AREA
BOUNDED BY A LINE FROM 43N40W TO 54N40W TO 53N47W TO 47N44W TO
43N40W WINDS 35 TO 50 KT. SEAS 20 TO 35 FT...HIGHEST NEAR 50N40W.
ELSEWHERE WITHIN 120 NM N AND NE OF A LINE FROM 58N43W TO 59N54W
TO THE SW COAST OF GREENLAND AND FROM 40N TO 58N E OF 50W WINDS
25 TO 35 KT. SEAS 10 TO 24 FT.
.24 HOUR FORECAST LOW E OF AREA 34N25W 1009 MB. FROM 31N TO 40N E
OF 40W AND FROM 40N TO 57N E OF 43W WINDS 25 TO 35 KT. SEAS 10 TO
28 FT...HIGHEST E OF A LINE FROM 45N42W TO 44N42W.
.48 HOUR FORECAST LOW DISSIPATED E OF AREA. WITHIN 180 NM N OF A
LINE FROM 40N35W TO 43N40W AREA OF NW WINDS 30 TO 40 KT. SEAS 13
TO 23 FT. ELSEWHERE WITHIN 600 NM N OF A LINE FROM 36N35W TO
43N45W WINDS 20 TO 30 KT. SEAS 9 TO 15 FT.

...STORM WARNING...
.30 HOUR FORECAST NEW LOW 33N77W 1003 MB. WITHIN 120 NM S...300
NM SW...90 NM NW AND 180 NM NE QUADRANTS WINDS 25 TO 35 KT. SEAS
8 TO 14 FT...HIGHEST NE QUADRANT.
.42 HOUR FORECAST LOW 36N72W 994 MB. WITHIN 300 NM S...SW...180
NM W AND 240 NM NW QUADRANTS WINDS 35 TO 45 KT. SEAS 9 TO 18
FT...HIGHEST S AND SW QUADRANTS.
.48 HOUR FORECAST LOW 39N69W 988 MB. WITHIN 180 NM SE...360 NM
S...SW...240 NM W AND 180 NM N QUADRANTS WINDS 35 TO 50 KT. SEAS
10 TO 20 FT. ELSEWHERE WITHIN 660 NM NE...420 NM E...300 NM
SE...660 NM SW AND 300 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 8
TO 14 FT.

...GALE WARNING...
.LOW 32N60W 1007 MB MOVING SE 10 KT. WITHIN 180 NM NE AND E OF A
LINE FROM 34N63W TO THE LOW TO 31N58W WINDS 25 TO 40 KT. SEAS 9
TO 16 FT. ELSEWHERE FROM 31N TO 33N BETWEEN 66W TO 71W AND WITHIN
540 NM NE AND E OF A LINE FROM 40N68W TO THE LOW TO 31N58W WINDS
20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW S OF THE AREA 26N58W 1007 MB. FROM 31N TO
36N BETWEEN 51W AND 62W WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.
ELSEWHERE FROM 31N TO 39N BETWEEN 47W AND 67W WINDS 20 TO 30 KT.
SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW S OF THE AREA 25N58W 1007 MB. FROM 31N TO
35N BETWEEN 45W AND 59W AND FROM 35N TO 46N BETWEEN 53W AND 60W
AREA OF SE TO S WINDS 20 TO 30 KT. SEAS 9 TO 15 FT.

...GALE WARNING...
.FROM 47N TO 50N W OF 60W IN THE GULF OF SAINT LAWRENCE AND
WITHIN 180 NM N AND NE OF A FRONT FROM 44N61W TO 40N48W AREA OF
SE WINDS 25 TO 35 KT. SEAS 8 TO 12 FT...EXCEPT TO 8 FT IN THE
GULF OF SAINT LAWRENCE.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.06 HOUR FORECAST WITHIN 180 NM N AND NE OF A LINE FROM 57N46W TO
60N53W TO GREENLAND AREA OF NW WINDS 25 TO 35 KT. SEAS 9 TO 16
FT
.24 HOUR FORECAST NEW LOW 63N51W 1010 MB. WITHIN 90 NM NE AND E
OF A LINE FROM 66N56W TO 62N54W TO 59N48W TO GREENLAND WINDS TO
25 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW DISSIPATED. FROM 56N TO 60N BETWEEN 44W AND
35W AND FROM 60N TO 63N E OF GREENLAND AREA OF NE WINDS TO 25 KT.
SEAS 8 TO 15 FT...HIGHEST NEAR 62N35W.

...GALE WARNING...
.24 HOUR FORECAST W OF A LINE FROM 46N45W TO 54N45W AREA OF SW
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.36 HOUR FORECAST FROM 45N TO 48N BETWEEN 36W AND 44W AREA OF W
WINDS 25 TO 35 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST CONDITIONS DESCRIBED ABOVE IN SECOND WARNING.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF GREENLAND.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY W OF A LINE FROM
48N48W TO 54N53W...FROM 56N TO 60N W OF 53W...N OF 60N W OF
GREENLAND AND N OF 64N E OF GREENLAND
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 65N.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY FROM 56N TO 60N W OF
50W AND N OF 60N W OF GREENLAND.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF
GREENLAND AND N OF 63N E OF GREENLAND.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 39N TO 48N
BETWEEN 60W AND 70W...INCLUDING THE BAY OF FUNDY AND THE SW GULF
OF SAINT LAWRENCE AND FROM 49N TO 51N BETWEEN 38W AND 41W.
.24 HOUR FORECAST DENSE FOG FROM 38N TO 51N BETWEEN 55W AND
71W...INCLUDING BAY OF FUNDY AND THE GULF OF SAINT LAWRENCE AND
WITHIN 180 NM N AND NE OF A LINE FROM 58N59W TO 49N45W.
.48 HOUR FORECAST DENSE FOG FROM 41N TO 50N BETWEEN 43W AND
68W...INCLUDING THE BAY OF FUNDY AND THE GULF OF SAINT LAWRENCE.

.FORECASTER FUTTERMAN. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 1200 UTC WED MAR 27.
24 HOUR FORECAST VALID 1200 UTC THU MAR 28.
48 HOUR FORECAST VALID 1200 UTC FRI MAR 29.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC COLD FRONT FROM 31N59W TO 22N58W THEN DISSIPATING
STATIONARY FRONT TO 18N62W. E OF FRONT WITHIN 31N53W TO 31N58W
TO 27N56W TO 27N52W TO 31N53W SE WINDS 25 TO 35 KT. SEAS 12 TO 16
FT IN E SWELL. ELSEWHERE E OF FRONT WITHIN 29N35W TO 31N42W TO
31N59W TO 18N51W TO 12N35W TO 29N35W E TO SE WINDS 20 TO 30 KT.
SEAS 8 TO 11 FT IN NE TO E SWELL. W OF FRONT WITHIN 31N65W TO
31N70W TO 27N68W TO 27N65W TO 31N65W NW TO N WINDS 20 TO 25 KT.
SEAS 11 TO 13 FT IN NW TO N SWELL. ELSEWHERE W OF FRONT WITHIN
31N59W TO 31N81W TO 23N73W TO 19N66W TO 19N57W TO 23N55W TO
31N59W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN N SWELL.
.06 HOUR FORECAST LITTLE CHANGE EXCEPT WINDS LESS THAN GALE
FORCE.
.24 HOUR FORECAST LOW PRES NEAR 26N58W 1007 MB. DISSIPATING
OCCLUDED FRONT FROM 27N61W TO 30N58W THEN DISSIPATING COLD FRONT
TO 19N55W. WITHIN 30N43W TO 31N59W TO 20N52W TO 24N47W TO 30N43W
SE WINDS 20 TO 30 KT. SEAS 8 TO 14 FT...HIGHEST NEAR 29N50W.
ELSEWHERE WITHIN 31N35W TO 31N70W TO 21N69W TO 20N57W TO 16N53W
TO 16N35W TO 31N35W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN
NE SWELL.
.48 HOUR FORECAST LOW PRES NEAR 26N58W 1007 MB. FRONT DISSIPATED.
WITHIN
31N46W TO 31N55W TO 23N51W TO 23N46W TO 26N45W TO 31N46W SE
WINDS 20 TO 30 KT. SEAS 11 TO 13 FT IN NE TO E SWELL. ELSEWHERE
WITHIN 31N35W TO 31N67W TO 18N50W TO 18N35W TO 31N35W WINDS 20 KT
OR LESS. SEAS 8 TO 11 FT IN NE SWELL.

.SYNOPSIS AND FORECAST.

.ATLC 24 HOUR FORECAST COLD FRONT FROM 31N79W TO 29N80W. WITHIN
31N78W TO 31N81W TO 28N80W TO 27N78W TO 31N78W SW WINDS 20 TO 25
KT. SEAS 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N67W TO 21N75W. WITHIN
31N68W TO 31N80W TO 24N79W TO 22N74W TO 31N68W N WINDS 20 TO 30
KT. SEAS 8 TO 14 FT...HIGHEST NEAR 31N73W.

.CARIBBEAN WITHIN 19N86W TO 19N84W TO 16N84W TO 19N86W SE WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST COLD FRONT FROM 20N77W TO 16N88W WINDS 20 KT OR
LESS. SEAS TO 8 FT.

.GULF OF MEXICO 06 HOUR FORECAST COLD FRONT FROM 30N83W TO
21N90W. WITHIN 28N89W TO 26N92W TO 24N91W TO 24N89W TO 28N89W N
TO NE WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 27N82W TO 22N86W. WITHIN
29N84W TO 27N87W TO 23N92W TO 22N91W TO 23N86W TO 29N84W N WINDS
20 TO 25 KT. SEAS 8 FT.
.48 HOUR FORECAST FRONT SE OF AREA. WITHIN 25N82W TO 24N84W TO
23N84W TO 23N82W TO 23N81W TO 25N82W WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.


.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

$$


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.