Expires:No;;737228
FZNT01 KWBC 240418
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
0430 UTC MON JUL 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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). 

ATLANTIC ICEBERG ANALYSIS AND OUTLOOK PRODUCTS...COURTESY OF 
THE U.S. COAST GUARD INTERNATIONAL ICE PATROL...CAN BE FOUND 
ON THE OCEAN PREDICTION CENTER WEB PAGE AT 
HTTP://WWW.OPC.NCEP.NOAA.GOV/ATL_TAB.SHTML(LOWERCASE). 

SECURITE 

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

SYNOPSIS VALID 0000 UTC JUL 24 
24 HOUR FORECAST VALID 0000 UTC JUL 25 
48 HOUR FORECAST VALID 0000 UTC JUL 26 

.WARNINGS. 

...STORM WARNING... 
.LOW 56N41W 988 MB E 15 KT. BETWEEN 180 NM AND 480 NM NE 
QUADRANT WINDS 35 TO 50 KT. SEAS 12 TO 25 FT. ELSEWHERE WITHIN 
420 NM NW...600 NM NE AND 120 NM SW QUADRANTS WINDS 25 TO 35 KT. 
SEAS 8 TO 15 FT. ALSO WITHIN 420 NM NW...900 NM NE...840 NM SE 
AND 600 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 55N46W 997 MB. WITHIN 300 NM N 
SEMCIRCLE...AND 480 NM SE AND 540 NM SW QUADRANTS WINDS 20 TO 30 
KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW AND CONDITIONS DESCRIBED WITH LOW 59N27W 
BELOW.

...GALE WARNING... 
.LOW 41N56W 1006 MB MOVING NE 45 KT. WITHIN 120 NM N 
SEMICIRCLE...AND 300 NM SE AND 1140 NM SW QUADRANTS WINDS 20 TO 
30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST LOW E OF AREA NEAR 48N34W 1002 MB. OVER 
FORECAST WATERS WITHIN 480 NM SW QUADRANT WINDS 25 TO 35 KT. 
SEAS TO 12 FT. ELSEWHERE WITHIN 900 NM SW QUADRANT WINDS TO 25 
KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW E OF AREA NEAR 59N27W 977 MB. OVER 
FORECAST WATERS WITHIN 480 NM NW AND 720 NM SW QUADRANTS WINDS 
20 TO 30 KT. SEAS 8 TO 13 FT.

.SYNOPSIS AND FORECAST. 

.24 HOUR FORECAST LOW 42N66W 1008 MB. WITHIN 240 NM N 
SEMICIRCLE...AND WITHIN 360 NM SE AND 840 NM SW QUADRANTS WINDS 
20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 45N55W 1012 MB. WITHIN 240 NM N 
SEMICIRCLE...AND 420 NM SE AND 1140 NM SW QUADRANTS WINDS 20 TO 
30 KT. SEAS TO 11 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 59N E 
OF 45W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 48N E OF 39W AND FROM 
54N TO 59N BETWEEN 36W AND 46W AND FROM 61N TO 65N E OF 39W.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.24 HOUR FORECAST NEW HIGH 41N50W 1025 MB.
.48 HOUR FORECAST HIGH 42N41W.

.48 HOUR FORECAST HIGH 63N54W 1012 MB.

.FORECASTER HOLLEY. 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 0000 UTC MON JUL 24.
24 HOUR FORECAST VALID 0000 UTC TUE JUL 25.
48 HOUR FORECAST VALID 0000 UTC WED JUL 26.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC S OF 21N BETWEEN 71W AND 73W NE TO E WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST S OF 21N BETWEEN 71W AND 74W...INCLUDING ATLC
APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS
TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST S OF 21N BETWEEN 71W AND 73W NE TO E WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN FROM 11N TO 16N BETWEEN 68W AND 78W...INCLUDING THE
GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. N
OF 16.5N BETWEEN 71W AND 74W E WINDS 20 TO 25 KT. SEAS LESS THAN
8 FT.
.12 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 78W NE WINDS 
25 TO 30 KT. SEAS 9 TO 11 FT. ELSEWHERE FROM 10.5N TO 16.5N 
BETWEEN 70W AND 74W...INCLUDING THE GULF OF VENEZUELA...AND FROM 
10.5N TO 16N BETWEEN 74W AND 80W NE TO E WINDS 20 TO 25 KT. SEAS 
TO 10 FT.
.24 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 78W NE WINDS 
25 TO 30 KT. SEAS 9 TO 11 FT. ELSEWHERE FROM 11N TO 15.5N BETWEEN
68W AND 77W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT. FROM 11N TO 16N BETWEEN 77W AND 
80W WINDS 20 KT OR LESS. SEAS TO 9 FT IN E SWELL. N OF 16.5N 
BETWEEN 71W AND 74W E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.
.36 HOUR FORECAST FROM 11N TO 14N BETWEEN 72W AND 77W NE WINDS 
25 TO 30 KT. SEAS 9 TO 13 FT. ELSEWHERE FROM 10.5N TO 18N 
BETWEEN 68W AND 82W...INCLUDING THE GULF OF VENEZUELA...NE TO E 
WINDS 20 TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST FROM 11N TO 15N BETWEEN 70W AND 76W... 
INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. 
SEAS TO 11 FT. ELSEWHERE FROM 10N TO 17N BETWEEN 76W AND 82W 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN E SWELL. 

.CARIBBEAN 24 HOUR FORECAST S OF 17N BETWEEN 86W AND 88W...
INCLUDING THE GULF OF HONDURAS...NE TO E WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO FROM 20N TO 22N BETWEEN 90W AND 92W NE WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.