FZNT01 KWBC 281020
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC THU SEP 28 2023

CCODE/1:31:04:01:00/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH
ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP
(ALL LOWERCASE).

FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH
ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG
WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS N OF 31N WILL BE
LIMITED TO WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 12
FEET OR GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, AND
VOLCANIC ASH. LESSER CONDITIONS WILL BE INCLUDED FOR WARNING
CONDITIONS AND TO PRESERVE CONTINUITY WHERE APPROPRIATE. SEND
FEEDBACK VIA HTTPS://OCEAN.WEATHER.GOV/CONTACT/INDEX.PHP (ALL
LOWERCASE).

SECURITE

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

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0600 UTC SEP 28.
24 HOUR FORECAST VALID 0600 UTC SEP 29.
48 HOUR FORECAST VALID 0600 UTC SEP 30.

.WARNINGS.

...GALE WARNING...
.LOW E OF AREA NEAR 60N33W 989 MB MOVING W 05 KT. N OF 58N AND E
OF 42W WINDS 25 TO 40 KT. SEAS 12 TO 21 FT.
.24 HOUR FORECAST LOW 60N35W 995 MB. WITHIN 300 NM W AND NW
QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.LOW 65N56W 1003 MB MOVING SE 15 KT. WITHIN 180 NM E AND 360 NM
W SEMICIRCLES WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.
.24 HOUR FORECAST LOW 60N50W 1006 MB. N OF 56N BETWEEN 50W AND
60W WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.
.48 HOUR FORECAST LOW 54N47W 1012 MB. WITHIN 240 NM S AND SW
QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT.

...GALE WARNING...
.LOW 56N45W 998 MB MOVING SE 15 KT. WITHIN 300 NM N...480 NM
S...AND 600 NM W QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 18 FT.
.24 HOUR FORECAST LOW 53N35W 994 MB. WITHIN 540 NM S AND 600 NM
W QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.
.48 HOUR FORECAST LOW E OF AREA NEAR 56N31W 975 MB. WITHIN 420
NM W SEMICIRCLE WINDS 35 TO 45 KT. SEAS 12 TO 21 FT. ELSEWHERE
FROM 44N TO 64N E OF 45W WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.

.SYNOPSIS AND FORECAST.

.LOW 35N73W 1014 MB MOVING SW 10 KT. WITHIN 360 NM N AND 420 NM
W QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 34N74W 1014 MB. WITHIN 360 NM W
QUADRANT...AND BETWEEN 240 NM AND 480 NM N QUADRANT WINDS TO 25
KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 36N69W 1014 MB. WITHIN 240 NM N OF A LINE
FROM 31N58W TO 37N67W TO 38N70W TO 38N76W WINDS 20 TO 30 KT.
SEAS TO 12 FT.

.FROM 48N TO 57N E OF 37W WINDS TO 25 KT. SEAS 9 TO 14 FT.
.24 HOUR FORECAST CONDITIONS E OF AREA.

.LOW 33N58W 1014 MB MOVING SE 10 KT. WITHIN 240 NM N SEMICIRCLE
WINDS TO 25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED. WITHIN 240 NM N OF A LINE FROM
32N51W TO 33N67W TO 36N70W WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW 36N44W 1014 MB MOVING NE 15 KT. WITHIN 240 NM N SEMICIRCLE
WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

.48 HOUR FORECAST FROM 58N TO 63N BETWEEN 46W AND 53W WINDS TO
25 KT. SEAS TO 10 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 58N TO 66N
BETWEEN 35W AND 42W...AND N OF 64N W OF 51W.
.24 HOUR FORECAST DENSE FOG FROM 53N TO 60N BETWEEN 40W AND 47W.
.48 HOUR FORECAST DENSE FOG FROM 62N TO 67N W OF 60W...AND FROM
34N TO 41N BETWEEN 62W AND 69W.

.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 0600 UTC THU SEP 28.
24 HOUR FORECAST VALID 0600 UTC FRI SEP 29.
48 HOUR FORECAST VALID 0600 UTC SAT SEP 30.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL STORM PHILIPPE NEAR 18.8N 54.6W 1002 MB AT 0900 UTC
SEP 28 MOVING WNW OR 300 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 45
KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W
SEMICIRCLE...150 NM NE QUADRANT AND 130 NM SE QUADRANT. SEAS 12
FT OR GREATER WITHIN 300 NM N SEMICIRCLE...180 NM SE QUADRANT AND
120 NM SW QUADRANT WITH SEAS TO 22 FT. ELSEWHERE WITHIN 23N50W
TO 24N54W TO 22N59W TO 16N56W TO 17N53W TO 20N49W TO 23N50W WINDS
20 TO 33 KT. SEAS 10 TO 15 FT. REMAINDER OF AREA WITHIN 24N49W
TO 28N55W TO 28N61W TO 20N62W TO 16N60W TO 16N50W TO 24N49W WINDS
20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM PHILIPPE NEAR 19.3N 56.0W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 100 NM NE QUADRANT...90 NM SE QUADRANT...0 NM SW
QUADRANT...AND 20 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
180 NM N SEMICIRCLE...75 NM SE QUADRANT AND 0 NM SW QUADRANT WITH
SEAS TO 17 FT. ELSEWHERE WITHIN 23N53W TO 23N57W TO 22N60W TO
20N60W TO 17N56W TO 18N54W TO 23N53W WINDS 20 TO 33 KT. SEAS 9 TO
13 FT. REMAINDER OF AREA WITHIN 26N51W TO 29N56W TO 28N67W TO
23N68W TO 18N62W TO 19N52W TO 26N51W WINDS 20 KT OR LESS. SEAS 8
TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM PHILIPPE NEAR 18.9N 57.1W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM NE QUADRANT...50 NM SE QUADRANT...0 NM SW
QUADRANT...AND 10 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90
NM N SEMICIRCLE...45 NM SE QUADRANT AND 0 NM SW QUADRANT WITH
SEAS TO 15 FT. ELSEWHERE WITHIN 21N56W TO 22N58W TO 21N62W TO
18N60W TO 18N58W TO 19N55W TO 21N56W WINDS 20 TO 33 KT. SEAS 9 TO
12 FT. REMAINDER OF AREA WITHIN 27N56W TO 26N64W TO 24N70W TO
19N66W TO 18N61W TO 19N54W TO 27N56W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM PHILIPPE NEAR 18.0N 58.3W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW PHILIPPE NEAR 18.2N
59.3W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW PHILIPPE NEAR 19.0N
60.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

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

...ATLC GALE WARNING...
.LOW PRES NEAR 15.5N44.5W 1006 MB. WITHIN 21N41W TO 24N49W TO
16N50W TO 13N45W TO 13N41W TO 16N39W TO 21N41W E TO SE WINDS 20
TO 30 KT. SEAS 8 TO 13 FT.
.06 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
16.5N45W 1005 MB. WITHIN 18N43W TO 18N44W TO 18N45W TO 17N44W TO
17N43W TO 18N43W SE WINDS 30 TO 35 KT. SEAS 12 TO 15 FT.
ELSEWHERE WITHIN 20N42W TO 22N45W TO 21N49W TO 18N48W TO 15N45W
TO 17N41W TO 20N42W WINDS 20 TO 30 KT. SEAS 9 TO 13 FT. REMAINDER
OF AREA WITHIN 20N40W TO 23N42W TO 25N48W TO 17N49W TO 14N44W TO
15N41W TO 20N40W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED
SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
18.5N46.5W 1003 MB. WITHIN 19N45W TO 20N46W TO 19N47W TO 18N47W
TO 17N46W TO 18N45W TO 19N45W WINDS 30 TO 40 KT. SEAS 13 TO 17
FT. ELSEWHERE WITHIN 20N43W TO 22N44W TO 22N49W TO 20N50W TO
16N48W TO 17N44W TO 20N43W WINDS 20 TO 30 KT. SEAS 10 TO 14 FT.
REMAINDER OF AREA WITHIN 23N42W TO 26N51W TO 19N52W TO 16N48W TO
16N45W TO 20N41W TO 23N42W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
IN MIXED SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
19.5N48.5W 1002 MB. WITHIN 21N47W TO 21N49W TO 20N49W TO 19N49W
TO 19N47W TO 21N47W WINDS 35 TO 45 KT. SEAS 13 TO 20 FT.
ELSEWHERE WITHIN 22N46W TO 23N48W TO 22N52W TO 20N52W TO 17N49W
TO 18N46W TO 22N46W WINDS 20 TO 30 KT. SEAS 10 TO 16 FT.
REMAINDER OF AREA WITHIN 26N46W TO 27N56W TO 19N54W TO 17N49W TO
20N44W TO 26N46W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED
SWELL.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N73W TO 31N81.5W TO 30N81.5W TO 30N80W TO
30.5N78W TO 30.5N74.5W TO 31N73W E TO SE WINDS 20 TO 25 KT. SEAS
8 TO 9 FT.
.24 HOUR FORECAST WITHIN 30.5N79W TO 31N79W TO 31N80W TO
30N80.5W TO 30N80W TO 30.5N79W WINDS 20 KT OR LESS. SEAS 8 FT IN
NE SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.ATLC WITHIN 31N50W TO 31N63W TO 29N61W TO 29N55W TO 31N50W
WINDS 20 KT OR LESS. SEAS 8 FT IN E SWELL.
.24 HOUR FORECAST WITHIN 30.5N55.5W TO 30.5N65.5W TO 30N66.5W TO
30N59W TO 29.5N55.5W TO 30.5N55.5W WINDS 20 KT OR LESS. SEAS 8
FT IN SE SWELL.
.48 HOUR FORECAST WITHIN 31N37W TO 31N60W TO 27N55W TO 27N47W TO
31N37W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.

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

$$
.FORECASTER HAGEN. NATIONAL HURRICANE CENTER.