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 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZNT01 KWBC 231557
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC FRI FEB 23 2018

CCODE/1:31:04:01:00/AOW/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

SECURITE

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

SYNOPSIS VALID 1200 UTC FEB 23
24 HOUR FORECAST VALID 1200 UTC FEB 24
48 HOUR FORECAST VALID 1200 UTC FEB 25

.WARNINGS.

...STORM WARNING...
.LOW E OF AREA 57N31W 944 MB MOVING NW 20 KT. OVER FORECAST
WATERS WITHIN 240 NM SW SEMICIRCLE WINDS 45 TO 60 KT. SEAS 18 TO
30 FT. ALSO WITHIN 600 NM W AND 360 NM SW QUADRANTS...AND WITHIN
120 NM SW OF A LINE FROM 61N49W TO 59N44W WINDS 35 TO 45 KT.
SEAS 14 TO 26 FT. ELSEWHERE OVER ICE FREE WATERS N OF 40N
BETWEEN 35W AND 60W WINDS 25 TO 35 KT. SEAS 9 TO 24 FT...HIGHEST
NEAR 47N39W. OTHERWISE FROM 31N TO 40N BETWEEN 35W AND 50W WINDS
20 TO 30 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 61N42W 950 MB.
WITHIN 240 NM S AND SE SEMICIRCLES WINDS 40 TO 55 KT. SEAS 18 TO
34 FT. ELSEWHERE N OF 50N E OF 60W WINDS 25 TO 40 KT. SEAS 10 TO
28 FT...HIGHEST E OF GREENLAND.
.48 HOUR FORECAST LOW 62N42W 1008 MB. N OF 60N BETWEEN GREENLAND
AND 35W WINDS 20 TO 30 KT. SEAS 9 TO 17 FT.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 49N61W 1001 MB TO RAPIDLY INTENSIFY
NEXT 24 HOURS. FROM 38N TO 41N BETWEEN 59W AND 65W WINDS 25 TO
35 KT. SEAS TO 12 FT. ELSEWHERE OVER FORECAST WATERS WITHIN 780
NM S AND 540 NM SE QUADRANTS WINDS TO 25 KT. SEAS TO 9 FT.
.42 HOUR FORECAST LOW 45N45W 984 MB. WITHIN 360 NM S AND 180 NM
SE QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 21 FT.
.48 HOUR FORECAST LOW 44N43W 976 MB. WITHIN 180 NM W SEMICIRCLE
WINDS 45 TO 60 KT. SEAS 16 TO 30 FT. ELSEWHERE WITHIN 300 NM E
AND 540 NM S QUADRANTS WINDS 35 TO 50 KT. SEAS 13 TO 26 FT. ALSO
WITHIN 360 NM NE...600 NM SE...900 NM SW...AND 540 NM NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.

...GALE WARNING...
.24 HOUR FORECAST FROM 31N TO 47N BETWEEN 35W AND 45W AREA OF N
TO NW WINDS 25 TO 40 KT. SEAS 13 TO 26 FT. ELSEWHERE FROM 31N TO
50N BETWEEN 35W AND 53W WINDS TO 25 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST CONDITIONS MOVED SE OF AREA.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE WATERS N OF 57N
W OF 42W...AND W OF A LINE FROM 57N50W TO 47N46W INCLUDING THE
GULF OF SAINT LAWRENCE.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 58N W OF
41W...AND W OF A LINE FROM 58N52W TO 49N49W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 59N W OF
42W...AND W OF A LINE FROM 59N55W TO 50N50W TO 46N50W INCLUDING
THE GULF OF SAINT LAWRENCE.

.SYNOPSIS AND FORECAST.

.OVER FORECAST WATERS FROM 37N TO 41N W OF 65W AREA OF E TO NE
WINDS TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST OVER FORECAST WATERS FROM 39N TO 41N W OF 69W
WINDS 20 TO 30 KT. SEAS TO 8 FT.

.HIGH 33N70W 1034 MB DRIFTING S.
.24 HOUR FORECAST HIGH 31N70W 1029 MB.
.48 HOUR FORECAST HIGH 31N69W 1027 MB.

.HIGH INLAND 45N67W 1042 MB MOVING SE 35 KT.
.24 HOUR FORECAST HIGH 35N56W 1027 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.FORECASTER REINHART. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

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

SYNOPSIS VALID 1200 UTC FRI FEB 23.
24 HOUR FORECAST VALID 1200 UTC SAT FEB 24.
48 HOUR FORECAST VALID 1200 UTC SUN FEB 25.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WATERS FROM 17N TO 23N BETWEEN 59W AND 75W...INCLUDING
CARIBBEAN APPROACHES...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 13
FT IN N TO NE SWELL. ELSEWHERE S OF LINE 31N35W TO 31N51W TO
27N75W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN NE TO N SWELL
OUTSIDE BAHAMAS.
.24 HOUR FORECAST S OF 21N BETWEEN 71W AND 76W...INCLUDING
APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS
TO 9 FT. ELSEWHERE S OF LINE FROM 20N35W TO 20N48W TO 25N65W TO
27N76W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N TO NE SWELL.
.48 HOUR FORECAST S OF 14N BETWEEN 54W AND 60W WINDS 20 KT OR
LESS. SEAS 8 FT N TO NE SWELL.

.24 HOUR FORECAST ATLC COLD FRONT FROM 25N35W TO 23N48W. N OF
FRONT E OF 48W N WINDS 20 TO 30 KT. SEAS 9 TO 15 FT...HIGHEST
NE. ELSEWHERE N OF LINE FROM 20N35W TO 20N48W TO 31N55W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN N SWELL.
.48 HOUR FORECAST ATLC COLD FRONT FROM 17N35W TO 16N45W. NE OF
LINE 31N55W TO 17N45W TO 17N35W WINDS 20 KT OR LESS. SEAS 8 TO
17 FT IN NW TO N SWELL...HIGHEST NE PART.

.FROM 10N TO 13N BETWEEN 73W AND 78W NE TO E WINDS 20 TO 30 KT.
SEAS 9 TO 14 FT. ELSEWHERE FROM 10N TO 16N BETWEEN 70W AND 80W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE TO E SWELL. N OF 16N
BETWEEN 70W AND 75W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
N OF 15N BETWEEN 63W AND 70W NE TO E WINDS 20 TO 25 KT. SEAS 8
TO 10 FT. N OF 18N E OF 80W...INCLUDING WINDWARD PASSAGE...NE TO
E WINDS 20 TO 25 KT. SEAS TO 9 FT. REMAINDER ARE S OF 18N
BETWEEN 63W AND 82W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NE TO E
SWELL.
.24 HOUR FORECAST FROM 10N TO 13N BETWEEN 74W AND 77W NE TO E
WINDS 25 TO 30 KT. SEAS 9 TO 12 FT. ELSEWHERE FROM 10N TO 15N
BETWEEN 73W AND 79W AND N OF 15N BETWEEN 70W AND 75W NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN NE TO E SWELL. REMAINDER
AREA S OF 16N BETWEEN 74W AND 81W WINDS 20 KT OR LESS. SEAS TO 9
FT IN NE TO E SWELL.
.48 HOUR FORECAST FROM 11N TO 14.5N BETWEEN 74W AND 78W NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE FROM 10N TO 16N
BETWEEN 73W AND 81W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO
E SWELL.

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

$$
.FORECASTER AL. 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.