Mazatlan to Banderas Bay Forecast
August 31, 2026, 2:01 am (UTC: -05:00)
Subject: Mazatlan to Banderas Bay Forecast
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This forecast has not been reviewed. It was generated from an automatic model.
.WARNINGS.
...HURRICANE WARNING...
.HURRICANE KARINA NEAR 17.1N 123.8W 954 MB AT 0300 UTC AUG 31
MOVING W OR 270 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 110 KT
GUSTS 135 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM OF CENTER
EXCEPT 100 NM SE QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM S
SEMICIRCLE...300 NM NE QUADRANT AND 270 NM NW QUADRANT WITH SEAS
TO 11.0 M. WITHIN 21N119W TO 22N124W TO 21N126W TO 17N128W
TO 14N122W TO 19N118W TO 21N119W WINDS 20 TO 33 KT. SEAS 5.5 TO
7.0 M. WITHIN 24N113W TO 30N119W TO 25N131W TO 17N132W TO
12N123W TO 18N113W TO 24N113W...INCLUDING SEBASTIAN VIZCAINO BAY
AND WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5
M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE KARINA NEAR 17.4N 126.6W. MAXIMUM
SUSTAINED WINDS 125 KT GUSTS 150 KT. TROPICAL STORM FORCE WINDS
WITHIN 110 NM N SEMICIRCLE AND 100 NM S SEMICIRCLE. SEAS 4 M OR
GREATER 300 N AND 180 S SEMICIRCLES WITH SEAS TO 10 M. WITHIN
20N124W TO 23N126W TO 23N129W TO 19N131W TO 15N129W TO 14N124W TO
20N124W WINDS 20 TO 33 KT. SEAS 4.0 TO 5.5 M. WITHIN 22N119W TO
29N125W TO 29N131W TO 20N138W TO 13N133W TO 11N122W TO 22N119W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE KARINA NEAR 18.4N 130.3W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS
WITHIN 110 NM N SEMICIRCLE AND 90 NM S SEMICIRCLE. SEAS 4 M OR
GREATER 270 N AND 180 S SEMICIRCLES WITH SEAS TO 9 M. WITHIN
22N127W TO 25N132W TO 20N135W TO 17N134W TO 16N131W TO 17N128W TO
22N127W WINDS 20 TO 33 KT. SEAS 4.0 TO 5.5 M. WITHIN 21N122W TO
27N128W TO 24N140W TO 15N140W TO 12N132W TO 14N124W TO 21N122W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
HURRICANE KARINA IS NEAR 17.1N 123.8W AT 8 PM PDT, AND IS
MOVING WEST AT 8 KT. MAXIMUM SUSTAINED WINDS ARE 110 KT WITH
GUSTS TO 135 KT, AND THE MINIMUM CENTRAL PRESSURE IS 954 MB.
FRESH SE WINDS AND ROUGH SEAS ON THE FAR NORTHEAST PERIPHERY OF
HURRICANE KARINA ARE STILL REACHING THE REVILLAGIGEDO ISLANDS.
MODERATE TO FRESH N GAP WINDS ARE NOW BLOWING ACROSS TEHUANTEPEC
REGION AND DOWNWIND TO NEAR 14N. MODERATE TO FRESH SOUTHERLY
WINDS AND SLIGHT SEAS DOMINATE THE GULF OF CALIFORNIA, EXCEPT THE
CENTRAL PART OF THE GULF WHERE FRESH TO STRONG WINDS ARE NOTED.
GENTLE TO MODERATE WINDS AND MODERATE SEAS ARE PRESENT ELSEWHERE.
FOR THE FORECAST, KARINA WILL CONTINUE TO MOVE WNW, AND
TRAILING FRESH SE WINDS AFFECTING THE REVILLAGIGEDO ISLANDS AS
WELL AS ROUGH SEAS TO 9 FT ACROSS THE BAJA CALIFORNIA OFFSHORE
WATERS WILL MOVE AWAY FROM THE AREA BY MON MORNING. FRESH TO
STRONG SOUTHERLY WINDS IN THE NORTHERN GULF OF CALIFORNIA WILL
DIMINISH TO GENTLE TO MODERATE SPEEDS TONIGHT, AND PREVAIL THE
REMAINDER FORECAST PERIOD. STRONG WINDS AND ROUGH SEAS ASSOCIATED
WITH INVEST EP95 ARE FORECAST TO AFFECT THE OUTER SW MEXICAN
OFFSHORES TUE, WITH THIS CONDITIONS SHIFTTING TO THE BAJA
CALIFORNIA SUR OFFSHORES THE REMAINDER FORECAST PERIOD.
HURRICANE KARINA IS CENTERED NEAR 17.1N 123.8W AT 31/0300 UTC,
MOVING WEST AT 8 KT. ESTIMATED MINIMUM CENTRAL PRESSURE IS 954
MB. MAXIMUM SUSTAINED WIND SPEED IS 110 KT WITH GUSTS TO 135 KT.
PEAK SEAS ARE AROUND 36 FT. NUMEROUS MODERATE TO SCATTERED
STRONG CONVECTION IS NOTED FROM 13N TO 20N BETWEEN 120W AND 127W.
A TURN TOWARD THE WEST-NORTHWEST IS FORECAST MONDAY NIGHT INTO
TUESDAY. KARINA IS A CATEGORY 3 HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE. SOME ADDITIONAL STRENGTHENING IS POSSIBLE
OVER THE NEXT DAY OR SO. SWELLS GENERATED BY KARINA WILL AFFECT
PORTIONS OF THE COAST OF SOUTHWEST MEXICO AND THE BAJA CALIFORNIA
PENINSULA FOR THE NEXT COUPLE OF DAYS. THESE SWELLS ARE LIKELY
TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE
CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
DATA NOTE - Using cached forecast from 6 hours ago.
TODAY - SSE 7-9, Seas SSW 0-4.4 ft @ 14sec
TONITE - SSW 5-6, Seas SSW 1.2-4 ft @ 13sec
TUESDAY - ENE 6-7, Seas SSW 0-3.6 ft @ 13sec
TUESDAY NIGHT - SSE 5-6, Seas SSW 0-5.6 ft @ 11sec
LONG-TERM MAZATLAN TO BAHIA BANDERAS
WEDNESDAY - SW 6-7, Seas SSW 0-6.5 ft @ 11sec
THURSDAY - W 5-6, Seas SSW 0-7.2 ft @ 11sec
FRIDAY - WSW 6-8, Seas SSW 0-6.4 ft @ 16sec
SATURDAY - WNW 7-9, Seas SSW 0-4.9 ft @ 15sec
SUNDAY - NW 10-12, Seas SSW 1.5-4.5 ft @ 14sec