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
994
FZPN40 PHFO 011018
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC MON JUN 01 2026

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 180W

SYNOPSIS VALID 0600 UTC JUN 01 2026.
24 HOUR FORECAST VALID 0600 UTC JUN 02 2026.
48 HOUR FORECAST VALID 0600 UTC JUN 03 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N154W 28N155W 26N159W MOVING E SLOWLY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 21N154W 18N157W 14N157W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 20N150W 10N152W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH 20N154W 10N155W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.48 HOUR FORECAST NEW TROUGH 30N172W 27N176W 27N180W.

.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 12N TO 25N E OF
145W.

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

.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 10N TO 20N E OF 150W.

.SEAS 2.5 M OR LESS OVER REMAINDER OF FORECAST AREA.

.MONSOON TROUGH 06N140W 07N146W 06N152W 06N158W...THENCE ITCZ
07N164W 03N171W 04N177W 06N180W. ISOLATED TO SCATTERED MODERATE
TSTMS FROM 02N TO 08N E OF 154W. ISOLATED MODERATE TSTMS
ELSEWHERE S OF 12N W OF 154W.

$$

.FORECASTER JELSEMA. HONOLULU HI.