Mexican Riviera Forecast
August 13, 2026, 11:54 am (UTC: -05:00)
Subject: Mexican Riviera Forecast
Questions/Comments visit https://svsarana.com
This forecast has not been reviewed. It was generated from an automatic model.
.WARNINGS.
...TROPICAL STORM WARNING...
.TROPICAL STORM HERNAN NEAR 18.0N 131.9W 1004 MB AT 1500 UTC AUG
13 MOVING WSW OR 245 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NE
QUADRANT...0 NM SE QUADRANT...50 NM SW QUADRANT...AND 80 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 0 NM E SEMICIRCLE AND 60
NM W SEMICIRCLE WITH SEAS TO 4 M. ELSEWHERE WITHIN 19N130W TO
22N132W TO 21N134W TO 18N135W TO 15N133W TO 16N131W TO 19N130W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M.
.24 HOUR FORECAST TROPICAL STORM HERNAN NEAR 17.1N 132.1W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 30 NM NE AND SW QUADRANTS...40 NM NW QUADRANT AND 0
NM SE QUADRANT. SEAS 4 M OR GREATER WITHIN 45 NM OF
CENTER...EXCEPT 0 NM SE QUADRANT WITH SEAS TO 4.0 M. ELSEWHERE
WITHIN 18N133W TO 17N134W TO 17N133W TO 17N132W TO 18N133W WINDS
20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER AREA WITHIN 21N132W TO
20N137W TO 18N136W TO 16N133W TO 19N133W TO 19N131W TO 21N132W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW HERNAN NEAR 16.5N
132.7W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW HERNAN NEAR 15.9N
133.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 22N132W
TO 19N137W TO 17N137W TO 15N135W TO 16N133W TO 18N132W TO
22N132W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
SHORT-TERM MEXICAN RIVIERA MANZANILLO TO BAHIAS DE HUATULCO
DATA NOTE - Extended sea states: Open-Meteo NCEP GFS-Wave.
TODAY - W 9-11, Seas SW 0-4.5 ft @ 16sec
TONITE - WNW 4-5, Seas SW 0-5 ft @ 19sec
FRIDAY - SW 6-8, Seas SW 0-5.7 ft @ 17sec
FRIDAY NIGHT - NW 6-7, Seas SW 0-5.7 ft @ 16sec
LONG-TERM MEXICAN RIVIERA MANZANILLO TO BAHIAS DE HUATULCO
SATURDAY - E 13-16, Seas SW 0-5.6 ft @ 16sec
SUNDAY - WNW 10-12, Seas SW 0-4.9 ft @ 14sec
MONDAY - W 11-14, Seas SW 0-4.8 ft @ 14sec
TUESDAY - W 7-9, Seas SSW 0-4.1 ft @ 16sec
WEDNESDAY - W 7-9, Seas SSW 1.2-4.3 ft @ 15sec