251 

FZPN40 PHFO 151521
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC WED APR 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC APR 15 2026.
24 HOUR FORECAST VALID 1200 UTC APR 16 2026.
48 HOUR FORECAST VALID 1200 UTC APR 17 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N161W 22N162W THENCE TROUGH 12N174W MOVING E 10 KT.
.24 HOUR FORECAST FRONT 30N152W 24N158W THENCE TROUGH 18N168W.
.48 HOUR FORECAST FRONT 30N152W 24N157W THENCE TROUGH 22N160W.

.TROUGH 30N162W 23N168W MOVING NE 10 KT.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT ABOVE.

.TROUGH 12N163W 10N164W 08N163W MOV E SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 240 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH 12N160W 10N162W 08N162W.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 2.5 M OR LOWER OVER ENTIRE FORECAST AREA.

.ITCZ 04N140W 03N151W 05N162W 05N173W. ISOLATED MODERATE TSTMS
WITHIN 120 NM N OF ITCZ E OF 151W.


$$

.FORECASTER M BALLARD. HONOLULU HI.






566 

FZPN03 KNHC 151557
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED APR 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1200 UTC WED APR 15.
24 HOUR FORECAST VALID 1200 UTC THU APR 16.
48 HOUR FORECAST VALID 1200 UTC FRI APR 17.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 11N86W TO 11N87W TO 10N89W TO 10N87W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.15 HOUR FORECAST CONDITIONS IMPROVE.

.WITHIN 03S98W TO 02S101W TO 02S103W TO 03.4S102W TO 03.4S98W TO
03S98W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.09 HOUR FORECAST CONDITIONS IMPROVE.

.36 HOUR FORECAST WITHIN 31N114W TO 30N115W TO 30N114W TO
30N113W TO 31N114W...INCLUDING THE GULF OF CALIFORNIA...S WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE.

.39 HOUR FORECAST WITHIN 30N120W TO 30N126W TO 29N123W TO
29N121W TO 30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N
SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

.42 HOUR FORECAST WITHIN 22N109W TO 23N109W TO 23N110W TO
21N110W TO 21N109W TO 22N109W NW WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 1500 UTC WED APR 15...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH EXTENDS FROM 08N82W TO 04N101W TO 04N120W. ITCZ
EXTENDS FROM 04N120W TO 05N132W TO 04N140W. SOUTHERN HEMISPHERIC
ITCZ EXTENDS FROM 03S113W TO 03S120W. NUMEROUS MODERATE TO
STRONG FROM 02N TO 06N BETWEEN 85W AND 101W. SCATTERED MODERATE
ISOLATED STRONG S OF 02N BETWEEN 86W AND 98W AND FROM 02N TO 10N
BETWEEN 111W AND 140W.

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.