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
367
FZNT01 KWBC 240947
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC WED JAN 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JAN 24
24 HOUR FORECAST VALID 0600 UTC JAN 25
48 HOUR FORECAST VALID 0600 UTC JAN 26

.WARNINGS.

...STORM WARNING...
.LOW 48N65W 988 MB MOVING NE 25 KT. TROUGH EXTENDS FROM 44N65W
TO 40N67W TO 36N70W TO 33N73W. WITHIN 180 NM E OF TROUGH FROM
36N TO 39N WINDS 35 TO 50 KT. SEAS 14 TO 20 FT. ALSO WITHIN 420
NM E AND SE QUADRANTS AND WITHIN 300 NM E OF TROUGH N OF 34N
WINDS 25 TO 40 KT. SEAS 8 TO 18 FT...HIGHEST S OF 40N. ELSEWHERE
W OF A LINE FROM 52N56W TO 46N51W TO 38N49W TO 31N68W WINDS 20
TO 30 KT. SEAS 8 TO 12 FT...EXCEPT E OF 59W 10 FT OR LESS.
.24 HOUR FORECAST LOW 56N56W 971 MB. FRONT TO EXTEND FROM LOW TO
57N50W TO 56N45W TO 43N50W TO 33N65W. WITHIN 180 NM NW
SEMICIRCLE AND WITHIN 180 NM N AND E OF FRONT N OF 48N WINDS 40
TO 50 KT. SEAS 15 TO 23 FT. ELSEWHERE OVER FORECAST WATERS FROM
48N TO 56N BETWEEN 51W AND 62W AND WITHIN 300 NM NW AND N AND
480 NM E QUADRANTS AND WITHIN 360 NM E OF FRONT N OF 37N WINDS
25 TO 40 KT. SEAS 9 TO 19 FT.
.48 HOUR FORECAST LOW 57N49W 974 MB. BETWEEN 150 NM AND 360 NM W
QUADRANT AND WITHIN 240 NM S QUADRANT WINDS 35 TO 50 KT. SEAS IN
ICE FREE WATERS 16 TO 29 FT. ELSEWHERE WITHIN 300 NM SE AND 420
NM SW QUADRANTS AND FROM 56N TO 63N BETWEEN 55W AND 62W WINDS 25
TO 40 KT. SEAS 12 TO 22 FT.

...GALE WARNING...
.LOW E OF AREA NEAR 58N24W 967 MB MOVING SE 20 KT. OVER FORECAST
WATERS BETWEEN 64N AND A LINE FROM 48N35W TO 53N45W AREA OF N TO
NW WINDS 25 TO 40 KT. SEAS 17 TO 26 FT...EXCEPT N OF 55N W OF
43W 8 TO 16 FT.
.24 HOUR FORECAST LOW WELL E OF AREA. CONDITIONS AS DESCRIBED
WITH LOW 56N56W ABOVE.

...GALE WARNING...
.36 HOUR FORECAST NEW LOW 40N58W 1008 MB. WITHIN 360 NM S AND SE
SEMICIRCLES WINDS 25 TO 35 KT. SEAS 9 TO 17 FT.
.48 HOUR FORECAST LOW 47N45W 999 MB. FRONT TO EXTEND FROM LOW TO
33N55W. WITHIN 180 NM E OF FRONT N OF 39N WINDS 35 TO 45 KT.
SEAS 16 TO 23 FT. ELSEWHERE WITHIN 360 NM E AND SE QUADRANTS AND
WITHIN 300 NM E OF FRONT N OF 35N WINDS 25 TO 40 KT. SEAS 10 TO
18 FT.

...GALE WARNING...
.36 HOUR FORECAST NEW LOW 59N41W 985 MB. FRONT TO EXTEND FROM
LOW TO 56N36W TO 50N38W TO 42N48W. OVER FORECAST WATERS WITHIN
240 NM N AND NE QUADRANTS AND WITHIN 240 NM E AND SE OF FRONT
WINDS 25 TO 40 KT. SEAS 10 TO 22 FT...HIGHEST NEAR 51N36W.
.48 HOUR FORECAST LOW 61N37W 981 MB. WITHIN 150 NM N SEMICIRCLE
WINDS 35 TO 45 KT. SEAS 15 TO 20 FT. ELSEWHERE WITHIN 240 NM N
SEMICIRCLE AND FROM 56N TO 61N E OF 39W WINDS 25 TO 35 KT. SEAS
11 TO 17 FT.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
W AND NW OF A LINE FROM 64N52W TO 57N56W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 64N55W TO 60N58W AND FROM 47N TO 51N W OF 59W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W AND NW OF A
LINE FROM 60N54W TO 52N51W AND ALSO FROM 46N TO 51N W OF 59W.

.SYNOPSIS AND FORECAST.

.LOW 64N52W 1006 MB MOVING SW 10 KT. OVER FORECAST WATERS WITHIN
180 NM W AND 360 NM SW AND 480 NM S QUADRANTS WINDS TO 25 KT.
SEAS IN ICE FREE WATERS 8 TO 13 FT.
.24 HOUR FORFECAST LOW DISSIPATED AND CONDITIONS MERGED WITH LOW
56N56W IN WARNINGS SECTION.

.OVER FORECAST WATERS FROM 31N TO 34N E OF 46W AREA OF E TO NE
WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 31N TO 35N E OF 40W AREA OF E TO NE WINDS
LESS THAN 25 KT. SEAS 8 TO 11 FT WITH N SWELL.
.48 HOUR FORECAST FROM 31N TO 33N E OF 39W AREA OF E WINDS TO 25
KT. SEAS TO 10 FT WITH N SWELL.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 42N
BETWEEN 65W AND 72W AND FROM 43N TO 49N BETWEEN 58W AND 65W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 54N BETWEEN 43W AND 50W.
.48 HOUR FORECAST DENSE FOG FROM 44N TO 48N BETWEEN 40W AND 47W.

.HIGH 43N43W 1036 MB MOVING SE 20 KT.
.24 HOUR FORECAST HIGH E OF AREA.

.FORECASTER BANCROFT. 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 0600 UTC WED JAN 24.
24 HOUR FORECAST VALID 0600 UTC THU JAN 25.
48 HOUR FORECAST VALID 0600 UTC FRI JAN 26.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...

.GULF OF MEXICO COLD FRONT FROM 27N82W TO 23N88W THEN STATIONARY
TO 18N95W. S OF LINE FROM 21N96W TO 18.5N94W NW WINDS 25 TO 35
KT. SEAS TO 9 FT.
.06 HOUR FORECAST COLD FRONT FROM 24N80W TO 18N93W THEN
STATIONARY NW TO 22N98W. S OF LINE FROM 21N96W TO 19N95W NW
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST STALLING COLD FRONT FROM 23N80W TO 18N93W THEN
STATIONARY NW TO 22N98W. S OF LINE FROM 21N96W TO 18N95W NW
WINDS 25 TO 35 KT. SEAS TO 10 FT. ELSEWHERE S OF 26N W OF 85W N
TO NE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST TROUGH FROM 24N97W TO 21N96W TO 18N95W. S OF
TROUGH NW WINDS 20 TO 30 KT. SEAS TO 11 FT. ELSEWHERE S OF 23N W
OF 92W N TO NE WINDS 20 TO 25 KT. SEAS TO 10 FT. S OF 28N E OF
91W NE WINDS 20 TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST TROUGH FROM 24N97W TO 19N95W. S OF 21N W OF
TROUGH NW WINDS 20 TO 25 KT. SEAS TO 9 FT. FROM 21N TO 28N E OF
93W NE TO E WINDS 20 TO 25 KT. SE AS TO 10 FT.

...CARIBBEAN GALE WARNING...

.CARIBBEAN FROM 11N TO 13N BETWEEN 74W AND 76W NE WINDS 30 TO 35
KT. SEAS 10 TO 13 FT. ELSEWHERE FROM 10N TO 15.5N BETWEEN 71W
AND 78W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO
30 KT. SEAS TO 10 FT. ELSEWHERE FROM 10N TO 17N BETWEEN 72W AND
82W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN E SWELL.
.06 HOUR FORECAST FROM 10N TO 16.5N BETWEEN 71W AND
79W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30
KT. SEAS 8 TO 13 FT. ELSEWHERE FROM 09.5N TO 17N BETWEEN 75W AND
83W WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN E SWELL.
.18 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 76W NE WINDS
25 TO 35 KT. SEAS 10 TO 12 FT. ELSEWHERE FROM 10N TO 15N BETWEEN
70W AND 78W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20
TO 25 KT. SEAS TO 10 FT. ELSEWHERE FROM 09.5N TO 16N BETWEEN 75W
AND 82W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN E
SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST FROM 10N TO 16N BETWEEN 73W AND 79W NE TO E
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 09.5N TO 17N
BETWEEN 75W AND 83W WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY
IN E SWELL.
.42 HOUR FORECAST FROM 11N TO 13N BETWEEN 73W AND 77W NE WINDS
25 TO 35 KT. SEAS 10 TO 13 FT. ELSEWHERE FROM 10N TO 16N BETWEEN
71W AND 79W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20
TO 30 KT. SEAS TO 10 FT. ELSEWHERE FROM 09.5N TO 16N BETWEEN 75W
AND 83W WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN E SWELL.
.48 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 76W NE WINDS
25 TO 35 KT. SEAS 10 TO 12 FT. ELSEWHERE FROM 10N TO 15N BETWEEN
70W AND 78W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20
TO 25 KT. SEAS TO 10 FT. ELSEWHERE FROM 09.5N TO 15.5N BETWEEN
75W AND 82W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN E
SWELL.

.SYNOPSIS AND FORECAST.

.ATLC FROM 21N TO 24N BETWEEN 50W AND 54W NE TO E WINDS 20 TO 25
KT. SEAS TO 8 FT IN E SWELL.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC 30 HOUR FORECAST COLD FRONT FROM 31N68W TO 22N79W. S OF
28N W OF 78W N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N57W TO 21N76W. N OF 29N
WITHIN 420 NM W OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS TO 8 FT.
S OF 29N W OF FRONT N TO NE WINDS 20 TO 25 KT. SEAS TO 10 FT E OF
BAHAMAS AND TO 8 FT W OF BAHAMAS.

.CARIBBEAN 24 HOUR FORECAST COLD FRONT FROM 22N81W TO 20N87W. N
OF FRONT...INCLUDING THE YUCATAN CHANNEL...NE WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FRONTAL TROUGH FROM 21N76W TO 19N87W. N OF
LINE FROM 16N70W TO 18.5N87.5W...INCLUDING N PASSAGES...NE WINDS
20 TO 25 KT. SEAS TO 9 FT N OF 17N W OF 81W.

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

$$
.FORECASTER NELSON. 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.