254
FZNT01 KWBC 190419
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC TUE AUG 19 2025

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

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

FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).

SECURITE

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

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0000 UTC AUG 19.
24 HOUR FORECAST VALID 0000 UTC AUG 20.
48 HOUR FORECAST VALID 0000 UTC AUG 21.

.WARNINGS.

...HURRICANE WARNING...
.EXCEPT WHERE DESCRIBED WITH HURRICANE ERIN IN PART 2
BELOW...FROM 31N TO 33N BETWEEN 66W AND 75W WINDS LESS THAN 25
KT. SEAS TO 3 M IN SE TO S SWELL.
.24 HOUR FORECAST EXCEPT WHERE DESCRIBED WITH HURRICANE ERIN IN
PART 2 BELOW...FROM 31N TO 38N BETWEEN 65W AND 80W WINDS 20 TO
30 KT. SEAS 2.5 TO 5.5 M IN SE TO S SWELL.
.48 HOUR FORECAST HURRICANE ERIN NEAR 31.4N 73.5W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS
WITHIN 180 NM W SEMICIRCLE...210 NM NE QUADRANT AND 230 NM SE
QUADRANT. SEAS 4 M OR GREATER WITHIN 420 NM NE QUADRANT...480 NM
SE QUADRANT...360 NM SW QUADRANT...AND 420 NM NW QUADRANT WITH
SEAS TO 16.5 M.

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

...GALE WARNING...
.LOW 45N41W 995 MB MOVING NE 20 KT. NE OF A LINE FROM 35N35W TO
43N47W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW E OF AREA 51N33W 997 MB. WITHIN 240 NM S
QUADRANT...AND FROM 54N TO 60N E OF 40W WINDS 20 TO 30 KT. SEAS
TO 3.5 M.
.48 HOUR FORECAST LOW E OF AREA 57N30W 1002 MB. FROM 56N TO 62N
E OF 40W WINDS TO 25 KT. SEAS TO 3 M.

...GALE WARNING...
.LOW 63N58W 1013 MB MOVING N 15 KT. FROM 57N TO 62N BETWEEN 40W
AND 55W...AND N OF 62N BETWEEN 57W AND GREENLAND. WINDS 25 TO 40
KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW DISSIPATED. FROM 55N TO 60N BETWEEN 40W
AND 58W WINDS 25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST CONDITIONS ABSORBED AND DESCRIBED BELOW WITH
LOW 52N43W.

...GALE WARNING...
.LOW 48N55W 1004 MB MOVING SE 15 KT. WITHIN 480 NM W SEMICIRCLE
WINDS 25 TO 35 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 47N48W 1003 MB. FROM 40N TO 48N BETWEEN
42W AND 60W...AND FROM 48N TO 55N BETWEEN 52W AND 58W WINDS 25
TO 35 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 52N43W 1001 MB. WITHIN 480 NM SW
SEMICIRCLE...AND FROM 54N TO 61N BETWEEN 40W AND 59W WINDS TO 25
KT. SEAS 2.5 TO 4.5 M.

.SYNOPSIS AND FORECAST.

.FROM 37N TO 40N W OF 67W AREA OF NE WINDS TO 25 KT. SEAS TO 2.5
M.
.24 HOUR FORECAST CONDITIONS ABSORBED BY HURRICANE ERIN.

.LOW 35N52W 1013 MB MOVING E 10 KT. FROM 31N TO 34N E OF 56W
WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 33N47W 1014 MB. WITHIN 300 NM S SEMICIRCLE
WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 36N39W 1014 MB. WITHIN 300 NM SE
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 3 M.

.24 HOUR FORECAST NEW LOW 39N37W 1014 MB. FROM 33N TO 40N E OF
38W WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 58N E
OF 47W...WITHIN 120 NM OF 58N51W...AND N OF 62N BETWEEN 55W AND
59W.
.24 HOUR FORECAST DENSE FOG FROM 48N TO 59N E OF 54W...AND N OF
60N BETWEEN 50W AND 57W.
.48 HOUR FORECAST DENSE FOG FROM 52N TO 60N E OF 54W.

.FORECASTER KELLS. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA

SYNOPSIS VALID 0000 UTC TUE AUG 19.
24 HOUR FORECAST VALID 0000 UTC WED AUG 20.
48 HOUR FORECAST VALID 0000 UTC THU AUG 21.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE ERIN NEAR 24.4N 71.7W 949 MB AT 0300 UTC AUG 19
MOVING NW OR 320 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 110 KT
GUSTS 135 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM E
SEMICIRCLE...140 NM SW QUADRANT AND 170 NM NW QUADRANT. SEAS 4 M
OR GREATER WITHIN 420 NM NE QUADRANT...360 NM SE QUADRANT...180
NM SW QUADRANT...AND 330 NM NW QUADRANT WITH SEAS TO 15.5 M.
ELSEWHERE WITHIN 28N67W TO 29N73W TO 26N76W TO 21N75W TO 20N68W
TO 23N65W TO 28N67W...INCLUDING ATLANTIC EXPOSURES... WINDS 20 TO
33 KT. SEAS 4.0 TO 5.5 M. REMAINDER OF AREA WITHIN 31N64W TO
29N72W TO 31N80W TO 26N77W TO 19N67W TO 23N64W TO
31N64W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS
3.0 TO 4.5 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE ERIN NEAR 27.1N 73.2W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS
WITHIN 200 NM E SEMICIRCLE...150 NM SW QUADRANT AND 180 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 360 NM NE QUADRANT...330 NM
SE QUADRANT...270 NM SW QUADRANT...AND 390 NM NW QUADRANT WITH
SEAS TO 16 M. ELSEWHERE WITHIN 31N68W TO 29N70W TO 31N76W TO
29N78W TO 23N76W TO 24N67W TO 31N68W...INCLUDING ATLANTIC
EXPOSURES...WINDS 20 TO 33 KT. SEAS 4.0 TO 5.5 M. REMAINDER OF
AREA WITHIN 31N62W TO 31N67W TO 29N81W TO 22N73W TO 20N68W TO
26N63W TO 31N62W WINDS 20 KT OR LESS. SEAS 3.0 TO 4.5 M IN MIXED
SWELL.
.48 HOUR FORECAST HURRICANE ERIN CENTERED N OF THE AREA NEAR
31.4N 73.5W. MAXIMUM SUSTAINED WINDS 110 KT GUSTS 135 KT.
TROPICAL STORM FORCE WINDS WITHIN 180 NM W SEMICIRCLE...210 NM NE
QUADRANT AND 230 NM SE QUADRANT. OVER FORECAST WATERS SEAS 4 M
OR GREATER WITHIN 360 NM S SEMICIRCLE WITH SEAS TO 14 M.
ELSEWHERE WITHIN 31N66W TO 28N71W TO 31N78W TO 27N76W TO 26N72W
TO 26N69W TO 31N66W WINDS 20 TO 33 KT. SEAS 5.5 TO 7.0 M.
REMAINDER
OF AREA WITHIN 31N62W TO 31N81W TO 27N79W TO 23N75W TO 23N70W
TO 24N65W TO 31N62W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT
OR LESS. SEAS 3.0 TO 4.5 M IN MIXED SWELL.

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.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.