871
FZNT01 KWBC 192138
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC AUG 19.
24 HOUR FORECAST VALID 1800 UTC AUG 20.
48 HOUR FORECAST VALID 1800 UTC AUG 21.

.WARNINGS.

...HURRICANE WARNING...
.EXCEPT WHERE DESCRIBED WITH HURRICANE ERIN IN PART 2
BELOW...FROM 31N TO 38N BETWEEN 65W AND 80W WINDS LESS THAN 25
KT. SEAS TO 4 M IN SE TO S SWELL.
.24 HOUR FORECAST HURRICANE ERIN NEAR 30.3N 73.8W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS
WITHIN 180 NM W SEMICIRCLE...220 NM NE QUADRANT AND 230 NM SE
QUADRANT. SEAS 4 M OR GREATER FROM 31N TO 36N BETWEEN 68W AND 80W
WITH SEAS TO 15 M. ELSEWHERE FROM 31N TO 36N BETWEEN 66W AND 80W
WINDS 20 TO 33 KT. SEAS 3 TO 6 M. OTHERWISE FROM 31N TO 39N W OF
63W WINDS LESS THAN 25 KT. SEAS TO 3.5 M IN SE TO S SWELL.
.48 HOUR FORECAST HURRICANE ERIN NEAR 34.9N 71.3W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS
WITHIN 240 NM NE QUADRANT...270 NM SE QUADRANT...220 NM SW
QUADRANT...AND 210 NM NW QUADRANT. SEAS 4 M OR GREATER FROM 31N
TO 41N BETWEEN 64W AND 78W WITH SEAS TO 17 M. ELSEWHERE FROM 31N
TO 42N BETWEEN 62W AND 77W WINDS 20 TO 33 KT. SEAS 3 TO 6 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 49N35W 995 MB MOVING NE 15 KT. WITHIN 300 NM S QUADRANT
WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M. ELSEWHERE FROM 37N TO 50N
BETWEEN 35W AND 40W WINDS TO 25 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW E OF AREA 55N31W 1001 MB. CONDITIONS MOVED
E OF AREA.

...GALE WARNING...
.FROM 58N TO 60N BETWEEN 42W AND 50W WINDS 25 TO 35 KT. SEAS TO 4
M. ELSEWHERE E OF A LINE FROM 53N35W TO 58N50W TO 60N58W WINDS 20
TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST CONDITIONS DESCRIBED BELOW WITH LOW 54N46W.

...GALE WARNING...
.LOW 46N50W 1001 MB MOVING NE 15 KT. WITHIN 420 NM S...AND 480 NM
W AND NW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW 51N44W 1000 MB. FROM 56N TO 61N BETWEEN 40W
AND 50W WINDS 35 TO 45 KT. SEAS 3 TO 5.5 M. ELSEWHERE WITHIN 240
NM SW AND W OF A LINE FROM 60N56W TO 47N48W...FROM 55N TO 62N
BETWEEN 35W AND 54W...AND WITHIN 420 NM S QUADRANT WINDS 25 TO 35
KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 54N46W 996 MB. WITHIN 150 NM NW OF A LINE
FROM 60N38W TO 54N51W WINDS 35 TO 45 KT. SEAS 3 TO 5.5 M.
ELSEWHERE FROM 46N TO 52N BETWEEN 37W AND 57W...WITHIN 180 NM NW
OF THE LINE...AND FROM 52N TO 63N BETWEEN 49W AND 58W WINDS 25 TO
35 KT. SEAS 2.5 TO 4 M.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST LOW 37N39W 1014 MB. WITHIN 300 NM SE AND SE
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW E OF AREA 40N33W 1011 MB. CONDITIONS E OF
AREA.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM E OF A LINE FROM
48N39W TO 55N51W TO 59N51W...AND N OF 63N BETWEEN 53W AND 57W.
.24 HOUR FORECAST DENSE FOG FROM 54N TO 58N BETWEEN 35W AND
54W...AND N OF 63N BETWEEN 52W AND 54W.
.48 HOUR FORECAST DENSE FOG FROM 54N TO 62N BETWEEN 40W AND 51W.

.FORECASTER HUFFMAN. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

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

SYNOPSIS VALID 1800 UTC TUE AUG 19.
24 HOUR FORECAST VALID 1800 UTC WED AUG 20.
48 HOUR FORECAST VALID 1800 UTC THU AUG 21.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE ERIN NEAR 26.6N 72.7W 958 MB AT 2100 UTC AUG 19 MOVING

NNW OR 330 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110
KT.
TROPICAL STORM FORCE WINDS WITHIN 180 NM NE QUADRANT...200 NM SE
QUADRANT...150 NM SW QUADRANT...AND 160 NM NW QUADRANT. SEAS 4 M
OR
GREATER WITHIN 420 NM NE QUADRANT...300 NM SE QUADRANT...180 NM
SW
QUADRANT...AND 360 NM NW QUADRANT WITH SEAS TO 14 M. ELSEWHERE
WITHIN 300 NM E SEMICIRCLE...210 NM SW AND 270 NM NW QUADRANTS OF

CENTER WINDS 20 TO 33 KT. SEAS 3 TO 4 M N OF 21N BETWEEN 64W AND
80.5W AND NE OF THE BAHAMAS.
.24 HOUR FORECAST HURRICANE ERIN NEAR 30.3N 73.8W. MAXIMUM
SUSTAINED
WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS WITHIN 180
NM W
SEMICIRCLE...220 NM NE QUADRANT AND 230 NM SE QUADRANT. OVER
FORECAST WATERS SEAS 4 M OR GREATER N OF 25N BETWEEN 67W AND
80.5W
WITH SEAS TO 15 M. ELSEWHERE N OF 25N BETWEEN 67W AND 79W AND NE
OF
THE BAHAMAS WINDS 20 TO 33 KT. SEAS 3 TO 4 M N OF 24N W OF 65W
AND
NE OF THE BAHAMAS.
.48 HOUR FORECAST HURRICANE ERIN NEAR 34.9N 71.3W. MAXIMUM
SUSTAINED
WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS WITHIN 240
NM
NE QUADRANT...270 NM SE QUADRANT...220 NM SW QUADRANT...AND 210
NM
NW QUADRANT. OVER FORECAST WATERS N OF 27N BETWEEN 65W AND 77W
WINDS
20 TO 30 KT. SEAS 4 TO 6 M IN MIXED SWELL. ELSEWHRE N OF 26N
BETWEEN 62W AND 80W WINDS 20 KT OR LESS. SEAS 2.5 TO 4 M FT 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.

.CARIBBEAN 30 HOUR FORECAST FROM 11N TO 13N BETWEEN 68W AND 74W
NE
TO E WINDS. SEAS BUILDING TO 2.5 M NEAR THE COAST OF COLOMBIA.
.36 HOUR FORECAST FROM 11N TO 15N BETWEEN 64W AND 76W NE TO E
WINDS.
SEAS TO 2.5 M NEAR THE COAST OF COLOMBIA.
.48 HOUR FORECAST FROM 11N TO 15N BETWEEN 68W AND 76W NE TO E
WINDS
20 TO 25 KT. SEAS TO 2.5 M NEAR THE COAST OF COLOMBIA.

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


.FORECASTER GR. NATIONAL HURRICANE CENTER.

$$