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 300335
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC THU MAR 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAR 30 2017.
24 HOUR FORECAST VALID 0000 UTC MAR 31 2017.
48 HOUR FORECAST VALID 0000 UTC APR 01 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N168W TO 21N175E TO 16N160E MOVING E 20 KT N OF 21N.
WINDS 20 TO 25 KT N OF LINE FROM 30N165W TO 29N177W TO 30N174E.
.24 HOUR FORECAST FRONT FROM 30N160W TO 24N170W TO 19N175E. ASSOCIATED
WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST WEAKENING FRONT 30N156W TO 26N166W TO 22N178E.

.TROUGH FROM 01N164E TO 06N 164E NEARLY STATIONARY. SCATTERED MODERATE
TO LOCALLY STRONG TSTMS FROM 01N TO 06N W OF 170E.
.24 HOUR FORECAST NEW TROUGH FROM 05N168E TO 01N160E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

.RIDGE FROM 30N147W TO 26N158W MOVING E 20 KT.

.RIDGE FROM 25N175W TO 28N160E MOVING E 20 KT.

.24 HOUR FORECAST NEW HIGH 28N161E 1024 MB.
.48 HOUR FORECAST HIGH MOVED N OF AREA.

.NE TO E WINDS 20 TO 25 KT FROM 07N TO 17N E OF 150W...FROM 08N TO 16N
BETWEEN 150W AND 155W...AND FROM 05N TO 11N W OF 178E
.24 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

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

.SEAS 18 TO 22 FT N OF A LINE FROM 30N173W TO 23N176E TO 30N172E.
SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM 30N171W TO 18N170E TO 18N 160E.
SEAS 8 TO 12 FT ELSEWHERE NW OF A LINE FROM 30N166W TO 14N160E. SEAS 8 TO
10 FT FROM 02N TO 18N BETWEEN 177W AND 161W AND E OF 155W.
.24 HOUR FORECAST SEAS 18 TO 20 FT N OF A LINE FROM 30N162W TO
28N166W TO 30N172W. SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM 30N159W TO
17N178W TO 30N178E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 30N157W
TO 05N177E TO 5N160E. SEAS 8 TO 10 FT FROM 05N TO 19N BETWEEN 167W AND
152W AND E OF 152W.
.48 HOUR FORECAST SEAS 12 TO 15 FT N OF A LINE FROM 30N147W TO
22N158W TO 30N167W. SEAS 8 TO 12 FT ELSEWHERE FROM 02N TO 30N E OF 175E.

.OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 03N TO 08N BETWEEN 143W AND
149W AND FROM 04N TO 09N BETWEEN 160E AND 180E.

$$

.FORECASTER BIRCHARD/WOODRUM. HONOLULU HI.



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