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 210331
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC MON AUG 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 21 2017.
24 HOUR FORECAST VALID 0000 UTC AUG 22 2017.
48 HOUR FORECAST VALID 0000 UTC AUG 23 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH NEAR 30N160E NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.RIDGE FROM 30N169E TO 28N160E MOVING SE SLOWLY.

.WINDS 20 KT OR LESS ENTIRE FORECAST AREA.

.SEAS 8 FT OR LOWER ENTIRE FORECAST AREA.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 20N TO 27N E OF 143W.

.ITCZ FROM 12N140W TO 10N160W TO 09N180W TO 09N160E. SCATTERED
MODERATE TSTMS WITHIN 240 NM OF ITCZ BETWEEN 160W AND 172E.
ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 120 NM OF ITCZ.

.ISOLATED MODERATE TO STRONG TSTMS WITHIN 90 NM OF 15N175E AND S
OF 04S W OF 172E.

$$

.FORECASTER BURKE. HONOLULU HI.


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