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 280337
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC FRI APR 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 28 2017.
24 HOUR FORECAST VALID 0000 UTC APR 29 2017.
48 HOUR FORECAST VALID 0000 UTC APR 30 2017.

.WARNINGS.

...GALE WARNING...
.COLD FRONT FROM 30N159W TO 25N164W TO 22N170W THENCE
STATIONARY FRONT TO 19N178W TO 20N167E. COLD FRONT MOVING E
20 KT. N TO NE WINDS 20 TO 25 KT OVER FORECAST WATERS WITHIN
360 NM N OF FRONT W OF 163W.
.24 HOUR FORECAST NEW LOW 29N154W 1015 MB. FRONT FROM 30N152W
THROUGH LOW TO 21N160W TO 18N167W TO 17N172E. NE TO E WINDS
20 TO 25 KT OVER FORECAST WATERS WITHIN 360 NM N OF FRONT W OF
159W...AND FROM 08N TO 15N BETWEEN 175W AND 170E.
.48 HOUR FORECAST LOW 29N158W 1009 MB. FRONT FROM 30N153W
TO 21N157W TO 18N163W TO 16N170W. WINDS 30 TO 35 KT N OF 28N
BETWEEN 158W AND 161W. WINDS 20 TO 30 KT ELSEWHERE N OF 27N
BETWEEN 158W AND 165W. WINDS 20 TO 25 KT NE OF A LINE FROM
30N150W TO 25N146W TO 24N140W...AND FROM 13N TO 19N BETWEEN
174W AND 168E.

.SYNOPSIS AND FORECAST.

.FRONT NW OF AREA. SE TO S WINDS 20 TO 25 KT NW OF A LINE FROM
30N162E TO 28N160E.
.24 HOUR FORECAST FRONT NW OF AREA. S WINDS 20 TO 25 KT NW OF A LINE
FROM 30N163E TO 28N160E.
.48 HOUR FRONT MOVED WELL N OF AREA. ASSOCIATED WINDS DIMINISHED TO
20 KT OR LESS.

.RIDGE FROM 30N143W TO 25N155W TO 23N165W MOVING E 10 KT AND
ERODING FROM THE W.

.RIDGE FROM 30N178W TO 24N170W BUILDING E 15 KT.

.RIDGE FROM 30N174E TO 23N160E MOVING SE 15 KT.

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

.SEAS 8 TO 11 FT FROM 18N TO 26N W OF 170W.
.24 HOUR FORECAST SEAS 8 TO 11 FT IN AREA BOUNDED BY A LINE FROM
21N168E TO 27N164W TO 16N170W TO 11N180W TO 11N170E TO 21N168E.
.48 HOUR FORECAST SEAS 8 TO 10 FT IN AREA BOUNDED BY A LINE FROM
20N167E TO 22N170W TO 21N163W TO 10N177W TO 08N173E TO 20N167E.
SEAS 8 TO 11 FT N OF 28N BETWEEN 157W AND 164W.

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

.ISOLATED MODERATE TSTMS FROM 03N TO 06N BETWEEN 164E AND 169E.

.ITCZ FROM 04N140W TO 01N150W. ISOLATED MODERATE TSTMS S OF 04N
BETWEEN 145W AND 150W.

$$

.FORECASTER BIRCHARD. HONOLULU HI.



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