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
000
FZNT01 KWBC 172159
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC FRI NOV 17 2017

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC NOV 17
24 HOUR FORECAST VALID 1800 UTC NOV 18
48 HOUR FORECAST VALID 1800 UTC NOV 19

.WARNINGS.

...STORM WARNING...
.LOW 46N40W 982 MB MOVING NE 15 KT. WITHIN 180 NM NE AND 360 NM
SE QUADRANTS WINDS 35 TO 50 KT. SEAS 12 TO 21 FT. ELSEWHERE FROM
38N TO 57N E OF 48W WINDS 25 TO 40 KT. SEAS 10 TO 16 FT.
.24 HOUR FORECAST LOW E OF AREA 51N31W 984 MB. FROM 55N TO 60N E
OF 50W WINDS 35 TO 45 KT. SEAS 12 TO 21 FT. ELSEWHERE FROM 54N
TO 61N E OF 55W...AND WITHIN 420 NM SW QUADRANT WINDS 25 TO 35
KT. SEAS 9 TO 15 FT.
.36 HOUR FORECAST LOW E OF AREA 55N27W 988 MB. WITHIN 240 NM N
OF A LINE FROM 57N35W TO 55N55W WINDS 35 TO 50 KT. SEAS 18 TO 27
FT.
.48 HOUR FORECAST LOW E OF AREA 57N20W 992 MB. WITHIN 300 NM N
OF A LINE FROM 57N35W TO 55N45W TO 56N55W WINDS 35 TO 50 KT.
SEAS 18 TO 27 FT. ELSEWHERE WITHIN 420 NM N OF A LINE FROM
56N35W TO 54N47W TO 55N59W WINDS 25 TO 35 KT. SEAS 12 TO 18 FT.

...STORM WARNING...
.36 HOUR FORECAST INLAND LOW 43N79W 980 MB. OVER FORECAST WATERS
WITHIN 660 NM SE QUADRANT WINDS 25 TO 40 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST INLAND LOW 46N72W 976 MB. WITHIN 240 NM E OF A
FRONT FROM 44N68W TO 36N71W WINDS 35 TO 50 KT. SEAS 13 TO 22 FT.
ELSEWHERE W OF A LINE FROM 50N64W TO 40N58W TO 32N70W WINDS 25
TO 40 KT. SEAS 9 TO 15 FT.

...GALE WARNING...
.LOW 47N64W 985 MB MOVING E 15 KT. WITHIN 300 NM E AND NE
QUADRANTS WINDS 35 TO 45 KT. SEAS 10 TO 16 FT. ELSEWHERE FROM
36N TO 50N W OF 54W WINDS 25 TO 40 KT. SEAS 9 TO 15 FT.
.24 HOUR FORECAST LOW 47N56W 993 MB. WITHIN 720 NM SE AND 540 NM
SW QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 21 FT.
.48 HOUR FORECAST LOW 48N38W 982 MB. WITHIN 300 NM S SEMICIRCLE
WINDS 35 TO 45 KT. SEAS 12 TO 21 FT. ELSEWHERE FROM 38N TO 51N E
OF 51W WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.

...GALE WARNING...
.LOW 64N54W 1020 MB NEARLY STATIONARY. WITHIN 540 NM SW QUADRANT
WINDS 20 TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW DISSIPATED. FROM 59N TO 63N W OF 57W WINDS
25 TO 35 KT. SEAS 9 TO 15 FT.
.48 HOUR FORECAST W OF A LINE FROM 67N54W TO 60N60W AREA OF NE
TO E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

.SYNOPSIS AND FORECAST.

.OVER FORECAST WATERS FROM 62N TO 66N E OF 42W AREA OF W TO NW
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST FROM 63N TO 66N BETWEEN 37W AND 42W AREA OF NW
WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST N OF 62N AND E OF GREENLAND AREA OF NE WINDS
20 TO 30 KT. SEAS 8 TO 14 FT.

.LIGHT TO MODERATE FREEZING SPRAY OVER ICE FREE FORECAST WATERS
NW AND W OF A LINE FROM 65N53W TO 64N57W TO 59N60W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY NW AND W OF A
LINE FROM 66N51W TO 64N54W TO 61N60W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY NW AND W OF A
LINE FROM 66N52W TO 62N58W.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS FROM 49N TO 54N E OF 40W.
.24 HOUR FORECAST DENSE FOG E OF AREA.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
FROM 50N TO 54N BETWEEN 50W AND 56W.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM OF 53N53W.

.HIGH 34N51W 1016 MB MOVING NE 35 KT.
.24 HOUR FORECAST HIGH E OF AREA.

.24 HOUR FORECAST HIGH 34N69W 1019 MB.
.48 HOUR FORECAST HIGH 34N54W 1018 MB.

.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 1800 UTC FRI NOV 17.
24 HOUR FORECAST VALID 1800 UTC SAT NOV 18.
48 HOUR FORECAST VALID 1800 UTC SUN NOV 19.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO 36 HOUR FORECAST COLD FRONT FROM 30N86W TO
25N97W. NW OF FRONT N WINDS 20 TO 30 KT. SEAS BUILDING TO 8 FT.
.42 HOUR FORECAST COLD FRONT FROM 29N83W TO 24N97W TO 22N98W. S
OF 25N W OF FRONT N WINDS 30 TO 35 KT. SEAS TO 9 FT. ELSEWHERE
NW OF FRONT N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST COLD FRONT FROM 28N83W TO 23N96W TO 18.5N95W.
S OF 24N W OF FRONT NW TO N WINDS 30 TO 35 KT. SEAS 8 TO 10 FT.
ELSEWHERE W OF FRONT N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.

.SYNOPSIS AND FORECAST.

.ATLC DISSIPATING COLD FRONT FROM 31N40W TO 28N46W THEN
STATIONARY TO 26N61W. N OF 27N WITHIN 90 NM E OF FRONT SW WINDS
20 TO 25 KT. SEAS 8 TO 12 FT. N OF 28N W OF FRONT TO 56W WINDS
20 KT OR LESS. SEAS 8 TO 12 FT IN NE SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N38W TO 28N45W THEN TROUGH
TO 21N65W. N OF 28N WITHIN 60 NM E OF FRONT SW WINDS 20 TO 25
KT. SEAS 8 TO 11 FT. ELSEWHERE N OF 28N E OF 50W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST COLD FRONT FROM 29N35W TO 23N50W. N OF 25N E
FRONT WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL. N OF 24N
WITHIN 90 NM W OF FRONT WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
NW TO N SWELL.

.ATLC 12 HOUR FORECAST N OF 28N BETWEEN 67W AND 72W WINDS 20 KT
OR LESS. SEAS TO 8 FT IN NE SWELL.
.24 HOUR FORECAST N OF 29N BETWEEN 52W AND 60W WINDS 20 KT OR
LESS. SEAS TO 9 FT IN NE SWELL.
.48 HOUR FORECAST N OF 29N BETWEEN 48W AND 56W WINDS 20 KT OR
LESS. SEAS TO 9 FT IN NE SWELL.

.ATLC 42 HOUR FORECAST N OF 30N W OF 77W SW WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N78W TO 29N80W. N OF 30N E
OF FRONT TO 75W SW WINDS 20 TO 25 KT. SEAS TO 8 FT.

.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.