FZNT01 KWBC 160424 CCA
HSFAT1 0430
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC FRI AUG 16 2024
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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
[email protected](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 16.
24 HOUR FORECAST VALID 0000 UTC AUG 17.
48 HOUR FORECAST VALID 0000 UTC AUG 18.
.WARNINGS.
.SEE PART II FOR ADDITIONAL INFORMATION ON HURRICANE ERNESTO.
…HURRICANE WARNING…
.48 HOUR FORECAST HURRICANE ERNESTO NEAR 33.5N 64.8W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 170 NM E SEMICIRCLE…120 NM SW QUADRANT AND 150 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 360 NM NE AND 300 NM NW
QUADRANTS…AND 300 NM S SEMICIRCLE WITH SEAS TO 39 FT.
…STORM WARNING…
.LOW 61N42W 993 MB MOVING E 25 KT. WITHIN 240 NM S AND SW
QUADRANTS WINDS 30 TO 45 KT. SEAS 9 TO 18 FT. WITHIN 240 NM S OF
A LINE FROM 58N35W TO 60N43W TO 61N49W WINDS 20 TO 30 KT. SEAS 8
TO 13 FT.
.12 HOUR FORECAST LOW 60N39W 987 MB. WITHIN 180 NM S AND SW
QUADRANTS WINDS 35 TO 50 KT. SEAS 10 TO 21 FT. ELSEWHERE WITHIN
240 NM S AND 300 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 18
FT.
.24 HOUR FORECAST LOW E OF THE AREA NEAR 61N27W 986 MB. WITHIN
180 NM S OF A LINE FROM 59N35W TO 60N43W TO 61N49W
WINDS 25 TO 40 KT. SEAS 8 TO 17 FT. ELSEWHERE WITHIN 240 NM S OF
A LINE FROM 60N35W TO 60N43W TO 61N49W WINDS 20 TO 30 KT. SEAS 8
TO 14 FT.
.48 HOUR FORECAST LOW AND CONDITIONS MOVED E OF AREA.
…GALE WARNING…
.48 HOUR FORECAST LOW 61N40W 995 MB. WITHIN 180 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS TO 10 FT.
.SYNOPSIS AND FORECAST.
.LOW 38N54W 1016 MB MOVING NE 20 KT. FRONT EXTENDS FROM LOW TO
40N49W TO 45N
