National Weather Service Raw Text Product

701 
FZNT01 KWBC 302139
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
2230 UTC WED AUG 30 2017 

CCODE/2:31:04:11:00/AOW+AOE/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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). 

PAN PAN 

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

SYNOPSIS VALID 1800 UTC AUG 30 
24 HOUR FORECAST VALID 1800 UTC AUG 31 
48 HOUR FORECAST VALID 1800 UTC SEP 01 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING...
.LOW 39N65W 986 MB MOVING NE 20 KT. OVER FORECAST WATERS WITHIN 
180 NM NW SEMICIRCLE WINDS 50 TO 65 KT. SEAS 13 TO 24 FT. 
ELSEWHERE WITHIN 240 NM N SEMICIRCLE WINDS 40 TO 50 KT. SEAS 14 
TO 20 FT. ALSO WITHIN 480 NM SW...420 NM SE...300 NM NW...AND 
360 NM NE QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST LOW 43N55W 970 MB. WITHIN 300 NM SW QUADRANT 
WINDS 50 TO 65 KT. SEAS 21 TO 37 FT. ELSEWHERE WITHIN 360 NM SW 
SEMICIRCLE WINDS 40 TO 50 KT. SEAS 15 TO 30 FT. ALSO WITHIN 480 
NM NW...840 NM SW...600 NM SE...AND 300 NM NE QUADRANTS WINDS 25 
TO 40 KT. SEAS 8 TO 15 FT...EXCEPT FROM 35N TO 46N BETWEEN 63W 
AND 51W SEAS 13 TO 23 FT.
.48 HOUR FORECAST LOW 49N42W 988 MB. WITHIN 480 NM S QUADRANT 
WINDS 35 TO 45 KT. SEAS 14 TO 26 FT. ELSEWHERE WITHIN 300 NM N 
SEMICIRCLE...WITHIN 720 NM SW AND 840 NM SE QUADRANTS WINDS 25 
TO 35 KT. SEAS 8 TO 16 FT. ALSO WITHIN 900 NM N AND NW OF A LINE 
FROM 39N35W TO 31N48W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.

...STORM WARNING...
.LOW 46N46W 992 MB MOVING NE 15 KT. OVER FORECAST WATERS WITHIN 
240 NM S QUADRANT WINDS 40 TO 50 KT. SEAS 15 TO 26 FT. ELSEWHERE 
WITHIN 360 NM W SEMICIRCLE AND WITHIN 480 NM NE AND 600 NM SE 
QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW 51N39W 998 MB. WITHIN 420 NM S SEMICIRCLE 
AND WITHIN 240 NM SE OF A FRONT FROM 43N35W TO 39N44W WINDS 25 
TO 35 KT. SEAS 8 TO 17 FT.
.48 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

...GALE WARNING...
.OVER FORECAST WATERS N OF 63N W OF GREENLAND WINDS 25 TO 35 KT. 
SEAS 8 TO 13 FT.
.24 HOUR FORECAST CONDITIONS N OF AREA.

.SYNOPSIS AND FORECAST. 

.OVER FORECAST WATERS WITHIN 180 NM NE OF A LINE FROM 57N39W TO 
59N47W WINDS 20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW 57N62W 1000 MB MOVING NE 30 KT. OVER FORECAST WATERS WITHIN 
180 NM E SEMICIRCLE WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.24 HOUR FORECAST OVER FORECAST WATERS W OF A LINE FROM 61N57W 
TO 55N56W WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST NW OF A LINE FROM 58N42W TO 53N57W WINDS 20 TO 
30 KT. SEAS TO 11 FT.

.48 HOUR FORECAST OVER FORECAST WATERS WITHIN 600 NM NW OF A 
LINE FROM 40N52W TO 32N70W WINDS 20 TO 30 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 51N 
BETWEEN 40W AND 35W.
.24 HOUR FORECAST DENSE FOG FROM 51N TO 56N E OF 39W.
.48 HOUR FORECAST DENSE FOG FROM 45N TO 61N E OF 40W.

.24 HOUR FORECAST HIGH 33N73W 1019 MB.
.48 HOUR FORECAST HIGH 33N59W 1020 MB.

.FORECASTER SOMMERVILLE. 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 WED AUG 30.
24 HOUR FORECAST VALID 1800 UTC THU AUG 31.
48 HOUR FORECAST VALID 1800 UTC FRI SEP 01.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM IRMA NEAR 16.4N 31.2W 1001 MB AT 2100 UTC AUG 30 
MOVING W OR 275 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 50 KT 
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM OF CENTER 
EXCEPT SW QUADRANT.  SEAS 12 FT OR GREATER WITHIN 45 NM N 
SEMICIRCLE WITH SEAS TO 14 FT.  OVER FORECAST WATERS WINDS 20 KT 
OR LESS. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST HURRICANE IRMA NEAR 17.3N 34.5W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 60 NM N SEMICIRCLE...40 NM SE QUADRANT AND 30 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM N AND 60 NM S 
SEMICIRCLES WITH SEAS TO 24 FT. ELSEWHERE OVER FORECAST WATERS 
WITHIN 240 NM N AND 90 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 
8 TO 12 FT. 
.48 HOUR FORECAST HURRICANE IRMA NEAR 18.2N 38.2W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM NE QUADRANT...50 NM SE QUADRANT...40 NM SW 
QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
120 NM N AND 90 NM S SEMICIRCLES WITH SEAS TO 32 FT. ELSEWHERE 
WITHIN 270 NM N AND 150 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 
8 TO 12 FT. 
.72 HOUR FORECAST HURRICANE IRMA NEAR 18.2N 43.0W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IRMA NEAR 17.3N 47.8W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.
.120 HOUR FORECAST HURRICANE IRMA NEAR 16.5N 52.5W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.

...TROPICAL STORM WARNING...
.TROPICAL STORM HARVEY NEAR 30.8 93.1W 998 MB AT 2100 UTC AUG 30 
MOVING NNE OR 025 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 40 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM SE 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM SE QUADRANT WITH 
SEAS TO 13 FT. ELSEWHERE OVER FORECAST WATERS N OF 26N W OF 87W 
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 33.5N 
91.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. OVER FORECAST 
WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.   
.48 HOUR FORECAST POST TROPICAL REMNANT LOW HARVEY INLAND NEAR 
36.4N 87.1W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. 
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW HARVEY NEAR 38.6N 
83.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST...DISSIPATED.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE 
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE 
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.ATLC 24 HOUR FORECAST N OF 30N BETWEEN 58W AND 63W WINDS 20 KT 
OR LESS. SEAS 8 FT IN NE SWELL.
.48 HOUR FORECAST N OF 29N BETWEEN 48W AND 60W WINDS 20 KT OR 
LESS. SEAS 9 TO 10 FT IN NE SWELL. 

.CARIBBEAN 12 HOUR FORECAST S OF 14N BETWEEN 70W AND 74W NE TO E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 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 COBB. NATIONAL HURRICANE CENTER.