FZPN40 PHFO 270923
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC TUE AUG 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

THIS HIGH SEAS FORECAST USES 1-MINUTE AVERAGE WINDS WHICH MAY BE
HIGHER THAN 10-MINUTE AVERAGE WINDS.

THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL
OCTOBER 16 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN
DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND
GRAPHICAL PRODUCTS FOR THE OFFSHORE AND HIGH SEAS AREAS ONLY.
TO LEARN MORE PLEASE VISIT
HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP


SECURITE

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0600 UTC AUG 27 2024.
24 HOUR FORECAST VALID 0600 UTC AUG 28 2024.
48 HOUR FORECAST VALID 0600 UTC AUG 29 2024.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM HONE NEAR 19.8N 164.3W 1000 MB AT 0900 UTC AUG 27
MOVING W OR 280 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS
60 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N SEMICIRCLE...50
NM SE QUADRANT AND 0 NM SW QUADRANT. WINDS 20 TO 33 KT FROM 17N TO
25N BETWEEN 167W AND 160W. SEAS 12 FT OR GREATER WITHIN 170 NM N
SEMICIRCLE...60 NM SE QUADRANT AND 80 NM SW QUADRANT WITH SEAS TO
22 FT. SEAS 8 TO 12 FT ELSEWHERE FROM 16N TO 25N BETWEEN 170W AND
161W.
.24 HOUR FORECAST TROPICAL STORM HONE NEAR 20.3N 168.1W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. WINDS 20 TO
33 KT FROM 18N TO 24N BETWEEN 172W AND 165W.
.48 HOUR FORECAST TROPICAL STORM HONE NEAR 21.2N 172.2W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 60 NM N SEMICIRCLE...10 NM SE QUADRANT AND 0 NM SW QUADRANT.
WINDS 20 TO 33 KT FROM 20N TO 26N BETWEEN 175W AND 170W. SEAS 12
FT OR GREATER WITHIN 120 NM OF CENTER WITH SEAS TO 13 FT. SEAS 8
TO 12 FT ELSEWHERE FROM 20N TO 25N BETWEEN1 75W AND 170W.

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

SEE THE LATEST BULLETIN ISSUED BY CPHC UNDER WMO HEADER WTPA21
PHFO FOR ADDITIONAL INFORMATION.

...HURRICANE WARNING...
.HURRICANE GILMA NEAR 18.5N 139.2W 973 MB AT 0900 UTC AUG 27
MOVING W OR 275 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 90 KT GUSTS
110 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NE QUADRANT...50
NM SE QUADRANT...40 NM SW QUADRANT...AND 70 NM NW QUADRANT. WINDS
20 TO 33 KT ELSEWHERE FROM 17N TO 25N E OF 148W. SEAS 12 FT OR
GREATER WITHIN 120 NM OF CENTER EXCEPT 60 NM SE QUADRANT WITH SEAS
TO 26 FT. SEAS 8 TO 12 FT ELSEWHERE FROM 16N TO 26N E OF 147W.
.24 HOUR FORECAST TROPICAL STORM GILMA NEAR 18.8N 143.2W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN
50 NM N SEMICIRCLE AND 30 NM S SEMICIRCLE. WINDS 20 TO 33 KT FROM
17N TO 24N E OF 147W. SEAS 12 FT OR GREATER WITHIN 120 NM OF
CENTER WITH SEAS TO 13 FT. SEAS 8 TO 12 FT ELSEWHERE FROM 16N TO
24N E OF 151W.
.48 HOUR FORECAST TROPICAL STORM GILMA NEAR 19.8N 147.8W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN 20 NM S SEMICIRCLE...50 NM NE QUADRANT AND 40 NM NW QUADRANT.
WINDS 20 TO 33 KT FROM 18N TO 24N BETWEEN 149W AND 142W. SEAS 12
FT OR GREATER WITHIN 30 NM OF CENTER WITH SEAS TO 13 FT. SEAS 8 TO
12 FT ELSEWHERE FROM 19N TO 24N BETWEEN 151W AND 145W.

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

SEE THE LATEST BULLETIN ISSUED BY NHC UNDER WMO HEADER WTPZ22
KHNC FOR ADDITIONAL INFORMATION.

.SYNOPSIS AND FORECAST.

.TROUGH 28N172E 27N160E MOVING W SLOWLY. ISOLATED MODERATE TSTMS
WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.TROUGH 08N168E 02N167E MOVING NW 10 KT. ISOLATED MODERATE TSTMS
WITHIN 300 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 10N165E 07N160E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

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

.ITCZ 10N140W 09N157W 05N173W. SCATTERED MODERATE TSTMS FROM 03N TO
07N BETWEEN 175E AND 174W.

.ISOLATED MODERATE TSTMS FROM 23N TO 27N W OF 165E.

$$

.FORECASTER SHIGESATO. HONOLULU HI.