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 181538
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU JAN 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

PAN PAN

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

SYNOPSIS VALID 1200 UTC JAN 18
24 HOUR FORECAST VALID 1200 UTC JAN 19
48 HOUR FORECAST VALID 1200 UTC JAN 20

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 36N70W 1003 MB MOVING NE 25 KT. OVER FORECAST WATERS WITHIN
240 NM NW AND 300 NM SW QUADRANTS WINDS 35 TO 45 KT. SEAS 12 TO
20 FT. ELSEWHERE S OF 39N W OF 67W WINDS 25 TO 35 KT. SEAS 9 TO
15 FT.
.06 HOUR FORECAST LOW 37N67W 995 MB. OVER FORECAST WATERS WITHIN
180 NM SW SEMICIRCLE WINDS 50 TO 65 KT. SEAS 16 TO 23 FT.
.24 HOUR FORECAST LOW 40N57W 985 MB. WITHIN 480 NM NE...360 NM
SE...300 NM SW...AND 120 NM NW QUADRANTS WINDS 40 TO 60 KT. SEAS
21 TO 33 FT. ELSEWHERE OVER FORECAST WATERS FROM S OF 45N
BETWEEN 42W AND 65W WINDS 25 TO 40 KT. SEAS 12 TO 21 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM E OF AREA
56N33W 972 MB. WITHIN 540 NM N QUADRANT AND E OF A LINE FROM
53N53W TO 35N38W WINDS 25 TO 40 KT. SEAS 12 TO 24 FT.

...STORM WARNING...
.LOW 47N60W 1005 MB MOVING NE 30 KT. WITHIN 240 NM SE
SEMICIRCLE...AND 240 NM SE OF A LINE FROM 46N50W TO 37N64W WINDS
20 TO 30 KT. SEAS TO 10 FT.
.18 HOUR FORECAST LOW 54N47W 990 MB. WITHIN 300 NM NE AND 720 NM
SE QUADRANTS...AND 240 NM W SEMICIRCLE WINDS 25 TO 35 KT. SEAS 9
TO 15 FT.
.24 HOUR FORECAST LOW 55N45W 988 MB. FRONT TO EXTEND FROM 53N35W
TO 46N45W. FROM 52N TO 58N E OF 50W...AND WITHIN 420 NM SE OF
THE FRONT WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.
.48 HOUR FORECAST LOW 57N45W 973 MB. WITHIN 240 NM N QUADRANT
WINDS 50 TO 60 KT. SEAS 18 TO 27 FT. ELSEWHERE FROM 58N TO 63N E
OF 50W WINDS 35 TO 50 KT. SEAS 12 TO 18 FT. ALSO WITHIN 600 NM
NE...300 NM SE...420 NM SW...AND 540 NM NW QUADRANTS WINDS 25 TO
35 KT. SEAS 9 TO 15 FT.

...GALE WARNING...
.LOW E OF AREA 63N26W 985 MB NEARLY STATIONARY. FROM 55N TO 60N
E OF 41W WINDS 35 TO 45 KT. SEAS 18 TO 27 FT. ELSEWHERE WITHIN
660 NM SW AND 360 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 12 TO
18 FT.
.24 HOUR FORECAST LOW E OF AREA 62N26W 995 MB. WITHIN 420 NM NW
QUADRANT WINDS 20 TO 30 KT. SEAS 9 TO 15 FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL E OF AREA.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY OVER ICE FREE FORECAST WATERS
N OF 64N W OF GREENLAND.
.24 HOUR FORECAST CONDITIONS IMPROVED.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 56N56W TO 50N50W AND N OF 64N W OF 55W.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST WITHIN 240 NM SE OF A LINE FROM 46N67W TO
41N74W WINDS TO 25 KT. SEAS TO 8 FT.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 42N TO 48N BETWEEN 45W AND 52W.
.48 HOUR FORECAST DENSE FOG FROM 46N TO 54N E OF 38W.

.FORECASTER NOLT. 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 THU JAN 18.
24 HOUR FORECAST VALID 1200 UTC FRI JAN 19.
48 HOUR FORECAST VALID 1200 UTC SAT JAN 20.

.WARNINGS.

...ATLC GALE WARNING...
.COLD FRONT FROM 31N71W TO 23N81W. N OF 30N WITHIN 180 NM W OF
FRONT W TO NW WINDS 30 TO 35 KT. SEAS 10 TO 12 FT. ELSEWHERE W
OF FRONT NW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT OUTSIDE BAHAMAS.
N OF 29N WITHIN 120 NM E OF FRONT SW WINDS 20 TO 25 KT. SEAS TO
9 FT.
.12 HOUR FORECAST COLD FRONT FROM 31N63W TO 24N68W THEN
STATIONARY TO 20N73W. N OF OF 27N W OF FRONT TO 72W NW WINDS 20
TO 30 KT. SEAS 8 TO 13 FT. S OF 27N W OF FRONT TO 78W NE WINDS
20 TO 25 KT. SEAS TO 8 FT. ELSEWHERE W OF FRONT TO 79W WINDS 20
KT OR LESS. SEAS 8 TO 13 FT IN NW SWELL OUTSIDE BAHAMAS. N OF
29N WITHIN 180 NM E OF FRONT SW WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N57W TO 22N64W THEN
STATIONARY TO 20N73W. N OF 30N BETWEEN 57W AND 60W WINDS 20 TO
25 KT. SEAS 8 TO 9 FT. ELSEWHERE W OF FRONT TO 75W WINDS 20 KT
OR LESS. SEAS 8 TO 13 FT IN NW SWELL OUTSIDE BAHAMAS...HIGHEST N
OF 29N.
.48 HOUR FORECAST COLD FRONT FROM 31N45W TO 23N60W THEN
STATIONARY TO 20N71W. W OF FRONT TO 72W WINDS 20 KT OR LESS.
SEAS 8 TO 12 FT IN NW SWELL...HIGHEST N OF 29N.

.SYNOPSIS AND FORECAST.

.ATLC FROM 09N TO 21N E OF 40W WINDS 20 KT OR LESS. SEAS 8 TO 9
FT IN NE SWELL.
.24 HOUR FORECAST FROM 10N TO 24N E OF 41W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN N TO NE SWELL.
.48 HOUR FORECAST FROM 08N TO 18N E OF 44W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN N TO NE SWELL.

.CARIBBEAN COLD FRONT FROM 23N81W TO 17N88W. NW OF LINE FROM
20N78W TO 14N83W NE WINDS 20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST STATIONARY FRONT FROM 20N73W TO 14N83W. W OF
FRONT NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST FRONT DISSIPATED. N OF 17N BETWEEN 71W AND 80W
NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E WINDS 20
TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 10N TO 14N BETWEEN 73W AND 79W NE WINDS
20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST FROM 10N TO 17N BETWEEN 70W AND 80W NE WINDS
20 TO 30 KT. SEAS 8 TO 11 FT.

.GULF OF MEXICO SE OF LINE FROM 27N82W TO 22N94W...INCLUDING
THE STRAITS OF FLORIDA...NE WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
FROM 19 TO 22N W OF 95W. MW WINDS 25 TO 30 KT. SEAS 10 TO 12 FT.
.24 HOUR FORECAST TROUGH FROM 26N98W TO 22N97W TO 18N94W. WITHIN
180 NM E OF TROUGH SE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST TROUGH DISSIPATED. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

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

$$
.FORECASTER FORMOSA. 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.