High Seas Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
000
FZPN40 PHFO 230330
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC WED AUG 23 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 0000 UTC AUG 23 2017.
24 HOUR FORECAST VALID 0000 UTC AUG 24 2017.
48 HOUR FORECAST VALID 0000 UTC AUG 25 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 11N173E TO 07N160E MOVING NW 10 KT. SCATTERED
MODERATE TSTMS WITHIN 180 NM OF TROUGH...AND FROM 04N TO 07N
BETWEEN 173E AND 176E.
.24 HOUR FORECAST TROUGH FROM 13N165E TO 11N160E.
.48 HOUR FORECAST TROUGH FROM 14N163E TO 11N160E.

.TROUGH FROM 22N162E TO 13N162E MOVING W 15 KT. ISOLATED MODERATE
TSTMS WITHIN 90 NM OF TROUGH...AND FROM 17N TO 19N BETWEEN TROUGH
AND 169E.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.TROUGH FROM 13N155W TO 10N157W TO 07N161W MOVING W 10 KT.
ISOLATED MODERATE TSTMS WITHIN 120 NM OF TROUGH...AND FROM 13N TO
16N BETWEEN 156W AND 159W.
.24 HOUR FORECAST TROUGH FROM 13N157W TO 08N162W.
.48 HOUR FORECAST TROUGH FROM 13N161W TO 07N165W.

.RIDGE FROM 30N171E TO 27N160E MOVING N SLOWLY.

.48 HOUR FORECAST E WINDS 20 TO 25 KT FROM 14N TO 20N BETWEEN
154W AND 160W.

.OTHERWISE WINDS 20 KT OR LESS OVER REMAINDER OF AREA.

.SEAS 8 TO 10 FT FROM 18N TO 25N E OF 143W.
.24 HOUR FORECAST SEAS 8 TO 10 FT FROM 23N TO 29N E OF 144W.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 24N TO 29N E OF 142W.

.OTHERWISE SEAS 8 FT OR LESS OVER REMAINDER OF AREA.

.MONSOON TROUGH FROM 12N140W TO 11N146W TO 13N153W. SCATTERED
MODERATE TSTMS WITHIN 90 NM OF TROUGH W OF 144W. ISOLATED TSTMS
ELSEWHERE WITHIN 240 NM OF TROUGH.

.ISOLATED MODERATE TSTMS N OF 26N BETWEEN 166E AND 169E. ISOLATED
TSTMS FROM 23N TO 28N BETWEEN 159W AND 167W...FROM 06N TO 14N
BETWEEN 163W AND 170W...AND FROM 22N TO 26N BETWEEN 172E AND
177E.

$$

.FORECASTER BRAVENDER. HONOLULU HI.



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.