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High Seas Forecast (Tropical Northeast Pacific) (Text)


000
FZPN03 KNHC 181612
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SUN MAY 18 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN MAY 18.
24 HOUR FORECAST VALID 1200 UTC MON MAY 19.
48 HOUR FORECAST VALID 1200 UTC TUE MAY 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 13N133W TO 16N138W TO 20N140W TO 06N140W TO 10N133W TO
13N133W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 13N133W TO 16N137W TO 16N140W TO
06N140W TO 08N135W TO 13N133W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NE SWELL.
.48 HOUR FORECAST WITHIN 11N135W TO 14N140W TO 05N140W TO
06N138W TO 11N135W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N
TO NE SWELL.

.12 HOUR FORECAST WITHIN 30N119.5W TO 30N124.5W TO 29.5N123.5W
TO 29.5N121.5W TO 29.5N119.5W TO 30N119.5W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW SWELL.
.24 HOUR FORECAST WITHIN 30N118W TO 30N127W TO 28N127W TO
27N125W TO 27N120W TO 30N118W WINDS 20 KT OR LESS. SEAS 2.5 TO 4
M IN N SWELL. 
.48 HOUR FORECAST WITHIN 30N120W TO 30N128W TO 24N131W TO 
24N126W TO 25N123W TO 30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 
3.0 M IN N TO NE SWELL. WITHIN 25N137W TO 26N140W TO 20N140W TO 
20N134W TO 21N133W TO 25N137W WINDS 20 KT OR LESS. SEAS 2.5 TO 
3.0 M IN NE SWELL.

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

CONVECTION VALID AT 1550 UTC SUN MAY 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS WESTWARD FROM CENTRAL COSTA RICA NEAR
09N85W TO 09N110W TO 08N125W. THE ITCZ CONTINUES WEST- 
SOUTHWESTWARD TO BEYOND 05N140W. SCATTERED MODERATE IS 
OCCURRING FROM 06N TO 08N BETWEEN 77W AND 85W...FROM 08N TO 15N 
BETWEEN 86W AND 95W...AND FROM 05N TO 11N BETWEEN 92W AND 122W.

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.
  

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Page last modified: Sunday, 18-May-2025 17:30:11 UTC