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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZPN40 PHFO 260320
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC TUE SEP 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 26 2017.
24 HOUR FORECAST VALID 0000 UTC SEP 27 2017.
48 HOUR FORECAST VALID 0000 UTC SEP 28 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 12N145W 1010 MB NEARLY STATIONARY. ISOLATED MODERATE TSTMS
WITHIN 240 NM NW QUADRANT.
.24 HOUR FORECAST LOW LITTLE CHANGE.
.48 HOUR FORECAST LOW DISSIPATED.

.FRONT FROM 30N164W TO 28N169W MOVING SE 15 KT.
.24 HOUR FORECAST FRONT FROM 30N158W TO 27N167W.
.48 HOUR FORECAST FRONT FROM 30N155W TO 27N164W.

.24 HOUR FORECAST FRONT 30N161E TO 29N160E. WINDS SW 20 TO 25 KT
N OF 28N W OF 163W.
.48 HOUR FORECAST WEAKENING FRONT FROM 30N166E TO 28N160E. WINDS
DIMINISHED TO 20 KT OR LESS.

.TROUGH FROM 25N155W TO 21N151W TO 16N150W MOVING W SLOWLY.
ISOLATED MODERATE TSTMS WITHIN 120 NM E OF TROUGH AT 20N.
.24 HOUR FORECAST DISSIPATING TROUGH FROM 25N157W TO 21N153W
TO 16N152W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 11N176W TO 08N160E MOVING NW SLOWLY.
SCATTERED MODERATE TO STRONG TSTMS WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.HIGH 26N177E 1016 MB MOVING SE 10 KT. RIDGE FROM HIGH TO
24N160E AND FROM HIGH TO 27N176W MOVING SE SLOWLY.
.24 HOUR FORECAST HIGH DISSIPATED.

.RIDGE FROM 30N150W TO 25N172W NEARLY STATIONARY AND ERODING
FROM THE W.

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

.ISOLATED MODERATE TSTMS FROM 15N TO 18N BETWEEN 171W AND 175W.

.MONSOON TROUGH FROM 10N140W TO 10N172W. ISOLATED MODERATE TSTMS
WITHIN 120 NM OF MONSOON TROUGH.

$$

.FORECASTER BRENCHLEY. HONOLULU HI.


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