FZNT01 KWBC 092136
HSFAT1 2230
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC FRI AUG 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC AUG 09.
24 HOUR FORECAST VALID 1800 UTC AUG 10.
48 HOUR FORECAST VALID 1800 UTC AUG 11.
.WARNINGS.
…GALE WARNING…
.POST-TROPICAL CYCLONE DEBBY NEAR 42.8N 76.5W 999 MB MOVING NE
OR 045 DEG AT 33 KT. S OF 43N W OF 67W WINDS 20 TO 30 KT. SEAS
TO 11 FT.
.18 HOUR FORECAST POST-TROPICAL CYCLONE DEBBY NEAR 49.4N 64.3W
999 MB. WITHIN 240 NM SE QUADRANT WINDS 25 TO 40 KT. SEAS TO 12
FT.
.24 HOUR FORECAST POST-TROPICAL CYCLONE DEBBY NEAR 50.3N 59.1W
999 MB. WITHIN 300 NM SE SEMICIRCLE WINDS 25 TO 40 KT. SEAS 8 TO
15 FT. ALSO WITHIN 540 NM SE AND 1020 NM SW QUADRANTS AREA OF S
TO SW WINDS 20 TO 30 KT. SEAS TO 12 FT. ELSEWHERE WITHIN 720 NM
NE AND 780 NM E QUADRANTS AREA OF SW WINDS TO 25 KT. SEAS TO 8
FT.
.48 HOUR FORECAST POST-TROPICAL CYCLONE DEBBY DISSIPATED WITH
NEW LOW 52N35W 994 MB. FROM 43N TO 50N E OF 41W WINDS 30 TO 45
KT. SEAS 10 TO 20 FT. ALSO WITHIN 240 NM EITHER SIDE OF A LINE
FROM 45N41W TO 42N58W AREA OF SW WINDS 20 TO 30 KT. SEAS TO 12
FT. ELSEWHERE WITHIN 180 NM EITHER SIDE OF A LINE FROM 42N58W TO
35N71W…AND WITHIN 360 NM W QUADRANT OF LOW…WINDS TO 25 KT.
SEAS TO 10 FT.
…GALE WARNING…
.LOW 63N59W 994 MB MOVING SE 15 KT. WITHIN 240 NM N AND BETW
