686
FZPN03 KNHC 271613
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT SEP 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT SEP 27.
24 HOUR FORECAST VALID 1200 UTC SUN SEP 28.
48 HOUR FORECAST VALID 1200 UTC MON SEP 29.
.WARNINGS.
..HURRICANE WARNING
..GALE WARNING
.HURRICANE NARDA NEAR 18.0N 124.9W 979 MB AT 1500 UTC SEP 27
MOVING WNW OR 300 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 80 KT
GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM N
SEMICIRCLE...150 NM SE QUADRANT AND 100 NM SW QUADRANT. SEAS 4 M
OR GREATER WITHIN 300 NM E SEMICIRCLE...240 NM SW QUADRANT AND
270 NM NW QUADRANT WITH SEAS TO 9.5 M. ELSEWHERE WITHIN 20N122W
TO 21N126W TO 20N129W TO 17N129W TO 13N123W TO 14N121W TO 20N122W
WINDS 20 TO 33 KT. SEAS 4.0 TO 6.0 M IN E TO SE SWELL. REMAINDER
OF AREA WITHIN 23N115W TO 26N123W TO 24N129W TO 16N132W TO
09N127W TO 13N117W TO 23N115W WINDS 20 KT OR LESS. SEAS 2.5 TO
4.0 M IN SE TO S SWELL.
.24 HOUR FORECAST TROPICAL STORM NARDA NEAR 19.4N 125.9W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM W SEMICIRCLE...90 NM NE QUADRANT AND 100 NM SE
QUADRANT. SEAS 4 M OR GREATER WITHIN 240 NM NE AND SE
QUADRANTS...AND 210 NM SW AND NW QUADRANTS WITH SEAS TO 6.5 M.
ELSEWHERE WITHIN 20N123W TO 22N127W TO 20N129W TO 18N129W TO
16N126W TO 18N123W TO 20N123W WINDS 20 TO 33 KT. SEAS 4.0 TO 5.5
M IN S TO SW SWELL. REMAINDER OF AREA WITHIN 30N119W TO 30N133W
TO 19N136W TO 11N124W TO 19N118W TO 30N119W WINDS 20 KT OR LESS.
SEAS 2.5 TO 4.0 M IN SE TO S SWELL.
.48 HOUR FORECAST POST-TROPICAL NARDA NEAR 21.3N 125.5W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. GALE FORCE WINDS WITHIN 50 NM
NE QUADRANT...60 NM SE QUADRANT...0 NM SW QUADRANT...AND 40 NM
NW QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM NE OF CENTER WITH
SEAS TO 4.5 M. ELSEWHERE WITHIN 21N124W TO 23N125W TO 23N126W TO
21N127W TO 20N127W TO 19N125W TO 21N124W WINDS 20 TO 30 KT. SEAS
3.0 TO 4.0 M. REMAINDER OF AREA WITHIN 30N119W TO 30N124W TO
25N131W TO 17N128W TO 18N122W TO 24N117W TO 30N119W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
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.
.WITHIN 30N121.5W TO 30N124W TO 29.5N123.5W TO 29.5N123W TO
29.5N122W TO 30N121.5W WINDS 20 KT OR LESS. SEAS 2.5 M IN N
SWELL.
.12 HOUR FORECAST CONDITIONS TO MERGE WITH S SWELL FROM NARDA.
.WITHIN 03S103.5W TO 03S104W TO 03S105.5W TO 03.4S106.5W TO
03.4S103W TO 03S103.5W WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO
SW SWELL.
.24 HOUR FORECAST WITHIN 03S91W TO 03S95W TO 03.4S96.5W TO
03.4S91W TO 03S91W WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO SW
SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.42 HOUR FORECAST WITHIN 30N139.5W TO 30N140W TO 30N139.5W WINDS
20 KT OR LESS. SEAS 2.5 M IN MERGING N AND SE SWELL.
.48 HOUR FORECAST WITHIN 30N137W TO 30N140W TO 29N140W TO
30N137W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MERGING N AND
SE SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 1500 UTC SAT SEP 27...
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH FROM 12N71.5W TO 07.5N82W TO 10.5N88W TO
09.5N105W...THEN RESUMES SW OF NARDA FROM 13N126W TO 08.5N140W.
SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 04.5N TO
07.5N E OF 81W AND FROM 07.5N TO 14.5N BETWEEN 85W AND 102W.
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.
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