661 
FZPN03 KNHC 292115
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN JUN 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SUN JUN 29.
24 HOUR FORECAST VALID 1800 UTC MON JUN 30.
48 HOUR FORECAST VALID 1800 UTC TUE JUL 01.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM FLOSSIE NEAR 13.5N 100.4W 1005 MB AT 2100 UTC 
JUN 29 MOVING WNW OR 295 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 35 
KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM N 
SEMICIRCLE...0 NM SE QUADRANT AND 50 NM SW QUADRANT.  SEAS 4 M 
OR GREATER WITHIN 90 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE WITH 
SEAS TO 4.5 M. ELSEWHERE WITHIN 120 NM OF CENTER...EXCEPT 150 NM 
NE QUADRANT WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST TROPICAL STORM FLOSSIE NEAR 15.5N 102.7W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE 
WINDS WITHIN 80 NM NW AND SE QUADRANTS...110 NM NE QUADRANT AND 
70 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 60 NM OF 
CENTER...EXCEPT 120 NM NE QUADRANT WITH SEAS TO 6 M. ELSEWHERE 
WITHIN 90 NM OF CENTER...EXCEPT 135 NM NE QUADRANT WINDS 20 TO 
33 KT. SEAS 2.5 TO 4 M.
.36 HOUR FORECAST HURRICANE FLOSSIE NEAR 16.8N 104.3W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.48 HOUR FORECAST HURRICANE FLOSSIE NEAR 17.9N 106.0W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS 
WITHIN 120 NM NE QUADRANT...110 NM SE QUADRANT...60 NM SW 
QUADRANT...AND 80 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 90 
NM OF CENTER...EXCEPT 150 NM SE QUADRANT WITH SEAS TO 8 M. 
ELSEWHERE OVER FORECAST WATERS WITHIN 120 NM OF CENTER...EXCEPT 
180 NM SE QUADRANT WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M. REMAINDER 
OF THE AREA FROM 08N TO 15N AND W OF A LINE FROM 15N101W TO 
08N109W TO ANOTHER LINE FROM 15N105W TO 08N113W SW WINDS 20 TO 
25 KT. SEAS 8 TO 10 FT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE 
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE 
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.FROM 10N TO 11.5N E OF 89W...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.

.S OF 02S BETWEEN 110W AND 120W WINDS 20 KT OR LESS. SEAS 2.5 M 
IN SE TO S SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST S OF 02S BETWEEN 100 AND 120W WINDS 20 KT OR 
LESS. SEAS 2.5 M IN S SWELL.

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

CONVECTION VALID AT 2100 UTC SUN JUN 29...

.T.S. FLOSSIE...NUMEROUS MODERATE TO SCATTERED STRONG CONVECTION 
IS NOTED FROM 10N TO 16.5N BETWEEN 97W AND 104W. SIMILAR 
CONVECTIVE ACTIVITY IS ELSEWHERE FROM 07N TO 11N BETWEEN 97W AND 
110W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

THE MONSOON TROUGH EXTENDS FROM 10N85W TO 11N95W...THEN 
CONTINUES W OF T.S. FLOSSIE FROM 14N110W TO 08N134W. THE ITCZ 
STRETCHES FROM 08N134W TO BEYOND 07N140W. ASIDE FROM THE 
CONVECTION RELATED TO T.S. FLOSSIE...SCATTERED MODERATE TO 
ISOLATED STRONG CONVECTION IS OBSERVED FROM 12N TO 16N BETWEEN 
110W AND 120W...AND 07N TO 12W BETWEEN 122W AND 135W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.