High Seas Forecast
Issued by NWS

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461
FZNT01 KWBC 241016
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC TUE OCT 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

THE U.S. COAST GUARD IS CURRENTLY EXPERIENCING DEGRADATION IN
IMAGE QUALITY OF ALL HFFAX PRODUCTS. TROUBLESHOOTING OF THE
PROBLEM IS TAKING PLACE.

SECURITE

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

SYNOPSIS VALID 0600 UTC OCT 24
24 HOUR FORECAST VALID 0600 UTC OCT 25
48 HOUR FORECAST VALID 0600 UTC OCT 26

.WARNINGS.

...GALE WARNING...
.LOW E OF AREA 58N25W 977 MB MOVING NE 05 KT. OVER FORECAST
WATERS WITHIN 540 NM W SEMICIRCLE WINDS 25 TO 40 KT. SEAS 12 TO
21 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.

...GALE WARNING...
.OVER FORECAST WATERS N OF A LINE FROM 64N61W TO 66N54W AREA OF
S WINDS 25 TO 35 KT. SEAS TO 10 FT.
.24 HOUR FORECAST N OF 65N AND W OF GREENLAND AREA OF S TO SW
WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST CONDITIONS N OF AREA.

...GALE WARNING...
.LOW E OF AREA 46N34W 1009 MB MOVING SW 10 KT. FROM 37N TO 47N
BETWEEN 41W AND 50W WINDS 20 TO 30 KT. SEAS 11 TO 17 FT.
.12 HOUR FORECAST LOW 42N35W 1009 MB. FROM 38N TO 45N BETWEEN
40W AND 45W WINDS 25 TO 35 KT. SEAS 13 TO 17 FT.
.24 HOUR FORECAST LOW E OF AREA 42N32W 1004 MB. OVER FORECAST
WATERS WITHIN 840 NM SW AND 300 NM NW QUADRANTS WINDS 20 TO 30
KT. SEAS 10 TO 17 FT.
.48 HOUR FORECAST LOW E OF AREA 44N31W 998 MB. WITHIN 540 NM W
AND 480 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.

...GALE WARNING...
.OVER FORECAST WATERS W AND S OF A LINE FROM 42N69W TO 33N67W TO
31N62W WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST FROM 33N TO 44N BETWEEN 64W AND 75W WINDS 25
TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST FROM 31N TO 45N BETWEEN 60W AND 70W WINDS 25
TO 40 KT. SEAS 8 TO 16 FT.

...GALE WARNING...
.48 HOUR FORECAST BETWEEN GREENLAND AND A LINE FROM 67N57W TO
61N51W AREA OF S TO SE WINDS 30 TO 45 KT. SEAS 9 TO 17 FT.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST FROM 59N TO 60N BETWEEN 39W AND 44W AREA OF SW
WINDS TO 25 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM OVER FORECAST
WATERS FROM 60N TO 65N W OF 60W.
.24 HOUR FORECAST CONDITIONS IMPROVED.

.DENSE FOG. 48 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
OVER FORECAST WATERS W OF A LINE FROM 62N55W TO 54N51W TO 51N53W.

.HIGH 40N60W 1029 MB MOVING SE 05 KT.
.24 HOUR FORECAST HIGH 38N57W 1028 MB.
.48 HOUR FORECAST HIGH 44N55W 1028 MB.

.48 HOUR FORECAST NEW HIGH 49N46W 1028 MB.

.FORECASTER BELL. 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 TUE OCT 24.
24 HOUR FORECAST VALID 0600 UTC WED OCT 25.
48 HOUR FORECAST VALID 0600 UTC THU OCT 26.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO COLD FRONT FROM 30N82W TO 24N87W...THEN
STATIONARY FRONT TO 20N94W. S OF 21N W OF 95W NW TO N WINDS 20
TO 30 KT. SEAS 8 TO 11 FT.
.09 HOUR FORECAST COLD FRONT FROM 27N82W TO 23N84W TO 21N87W. S
OF 21N W OF 95W NW TO N WINDS 25 TO 35 KT. SEAS 9 TO 12 FT.
.24 HOUR FORECAST COLD FRONT FROM 25N81W TO 23N82W. S OF 20N W
OF 96W NW TO N WINDS 25 TO 35 KT. SEAS 9 TO 12 FT. ELSEWHERE W
OF 88W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.36 HOUR FORECAST FRONT SE OF AREA. S OF 20N W OF 96W NW TO N
WINDS 25 TO 35 KT. SEAS 8 TO 11 FT. ELSEWHERE S OF 21N N WINDS
20 TO 25 KT. SEAS 8 TO 10 FT. FROM 24N TO 25N BETWEEN 81W AND 84W
N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.ATLC TROPICAL WAVE ALONG 58W/59W S OF 18N. FROM 10N TO 13N
BETWEEN 49W AND 53W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E
SWELL. SCATTERED TSTMS WITHIN 240 NM E AND 120 NM W OF WAVE.
.24 HOUR FORECAST WEAKENING TROPICAL WAVE ALONG 63W/64W S OF 17N.
FROM 09N TO 13N BETWEEN 47W AND 53W NE TO E WINDS 20 TO 25 KT.
SEAS 8 TO 9 FT.
.48 HOUR FORECAST TROPICAL WAVE TO WEAKEN TO A TROUGH NEAR 67W.
FROM 10N TO 15N BETWEEN 48W AND 58W E WINDS 20 TO 25 KT. SEAS 8
TO 9 FT.

.06 HOUR FORECAST ATLC COLD FRONT FROM 31N36W TO 26N45W...THEN
DISSIPATING STATIONARY FRONT TO 28N54W. N OF LINE FROM 31N38W TO
30N47W TO 28N62W TO 31N62W WINDS 20 KT OR LESS. SEAS 8 FT IN NE
TO E SWELL.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 29N35W TO 26N42W...
THEN DISSIPATING STATIONARY FRONT TO 26N52W. N OF LINE FROM
27N35W TO 26N46W TO 28N64W TO 31N67W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN NE TO E SWELL.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 24N35W TO 23N43W. N
AND NE OF LINE FROM 23N35W TO 23N49W TO 31N63W WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN N TO NE SWELL...HIGHEST NEAR 30N43W.

.CARIBBEAN FROM 13N TO 17N BETWEEN 73W AND 82W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN E TO SE SWELL.
.24 HOUR FORECAST S OF 11N BETWEEN 79W AND 81W S WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS SEAS 8 FT IN E SWELL.

.CARIBBEAN 30 HOUR FORECAST COLD FRONT FROM 22N83W TO 16N86W. W
OF FRONT N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT...EXCEPT
TO 8 FT YUCATAN CHANNEL.
.48 HOUR FORECAST COLD FRONT FROM 22N81W TO 19N85W TO 16N87W. S
OF 19N W OF FRONT N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.

.CARIBBEAN TROUGH FROM 21N86W TO 14N88W. WINDS 20 KT OR LESS.
SEAS LESS THAN 8 FT. SCATTERED TO NUMEROUS TSTMS WITHIN 180 NM
TO 300 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 17N84W TO 13N83W. WINDS 20 KT OR
LESS. SEAS LESS THAN 8 FT. SCATTERED TO NUMEROUS TSTMS WITHIN
180 NM E OF TROUGH.
.48 HOUR FORECAST TROUGH FROM 18N81W TO 13N82W. WINDS 20 KT OR
LESS. SEAS LESS THAN 8 FT. NUMEROUS TSTMS WITHIN 180 NM E OF
TROUGH.

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

$$

.FORECASTER MT. NATIONAL HURRICANE CENTER.



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