Skip Navigation Links
National Oceanic and Atmospheric Administration logo National Weather Service logo United States Department of Commerce

High Seas Forecast (Tropical Northeast Pacific)


000
FZPN03 KNHC 270942
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU AUG 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU AUG 27.
24 HOUR FORECAST VALID 0600 UTC FRI AUG 28.
48 HOUR FORECAST VALID 0600 UTC SAT AUG 29.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.POST-TROPICAL REMNANT LOW OF ISELLE NEAR 23N127W 1004 MB. WITHIN
25N124W TO 26N128W TO 24N129W TO 21N127W TO 22N124W TO 25N124W 
NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M IN E TO SE SWELL. 
ELSEWHERE WITHIN 30N125W TO 29N131W TO 24N133W TO 20N132W TO 
19N128W TO 23N121W TO 30N125W WINDS 20 KT OR LESS. SEAS 2.5 TO 
3.0 M IN E TO SE SWELL.
.24 HOUR FORECAST LOW PRESSURE 25N130W 1007 MB. WITHIN 27N127W 
TO 29N130W TO 26N134W TO 23N134W TO 22N131W TO 25N127W TO 27N127W
NE WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M IN E TO SE SWELL.
.48 HOUR FORECAST LOW DISSIPATED WITHIN 28N130W TO 30N132W TO 
30N138W TO 27N140W TO 24N138W TO 25N133W TO 28N130W NE TO E WINDS
20 TO 25 KT. SEAS 2.5 TO 3.0 M.

.LOW PRESSURE NEAR 09N110W 1006 MB. WITHIN 15N106W TO 14N110W TO
07N113W TO 05N109W TO 10N104W TO 15N106W SE TO S WINDS 20 TO 30 
KT. SEAS 2.5 TO 3.0 M IN S SWELL. 
.24 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE...NEAR
12N1120W 1003 MB. WITHIN 13N106W TO 17N113W TO 15N116W TO 
09N117W TO 05N113W TO 05N108W TO 13N106W S WINDS 20 TO 30 KT. 
SEAS 2.5 TO 4.5 M. 
.48 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE...NEAR
14N116W 1001 MB. WITHIN 16N108W TO 21N111W TO 19N121W TO 08N123W
TO 06N114W TO 11N108W TO 16N108W S WINDS 20 TO 30 KT. SEAS 2.5 
TO 4.5 M.

.LOW PRESSURE NEAR 11N135W 1008 MB. WITHIN 08N138W TO 08N140W TO
06N140W TO 07N139W TO 08N138W SW TO W WINDS 20 TO 25 KT. SEAS 
2.5 TO 3.0 M IN S TO SW SWELL.
.24 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE...NEAR
12N133W 1004 MB. WITHIN 12N130W TO 13N132W TO 12N133W TO 08N136W
TO 08N132W TO 10N130W TO 12N130W SW WINDS 20 TO 30 KT. SEAS 2.5 
TO 4.5 M IN SW SWELL.
.48 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE...NEAR
12N133W 1002 MB. WITHIN 14N131W TO 15N135W TO 11N136W TO 07N133W
TO 09N129W TO 14N131W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN
SW TO W SWELL.

.WITHIN 15N94W TO 16N94W TO 16N95W TO 16N96W TO 14N96W TO 14N95W
TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 11N86W TO 12N89W TO 10N90W TO 10N89W TO 10N87W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0900 UTC THU AUG 27...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N79W TO 07N90W TO 1006 MB LOW PRESSURE 
(EP93) NEAR 09N108W TO 14N160W...AND FROM 14N130W TO LOW 
PRESSURE NEAR 1008 MB NEAR 11N135W TO 10N140W. SCATTERED MODERATE
TO ISOLATED STRONG.FROM 04N TO 13N BETWEEN 85W TO 135W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.