Mazatlan to Banderas Bay Forecast
September 22, 2026, 2:00 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 POLO NEAR 15.0N 102.3W 967 MB AT 0300 UTC SEP 22
MOVING ESE OR 105 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 95 KT
GUSTS 115 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N
SEMICIRCLE AND 70 NM S SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 90
NM OF CENTER EXCEPT 75 NM NW QUADRANT WITH SEAS TO 9.0 M.
ELSEWHERE WITHIN 17N102W TO 17N104W TO 16N106W TO 14N105W TO
13N102W TO 14N101W TO 17N102W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0
M. REMAINDER OF AREA WITHIN 18N102W TO 18N105W TO 16N106W TO
14N106W TO 12N104W TO 13N101W TO 18N102W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE POLO NEAR 15.1N 101.7W. MAXIMUM
SUSTAINED WINDS 140 KT GUSTS 170 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM W SEMICIRCLE...100 NM NE QUADRANT AND 90 NM SE
QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM OF CENTER WITH SEAS
TO 10.0 M. ELSEWHERE WITHIN 17N100W TO 18N104W TO 15N105W TO
13N105W TO 11N102W TO 13N99W TO 17N100W WINDS 20 TO 33 KT. SEAS
2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 13N98W TO 17N99W TO
18N104W TO 15N106W TO 11N104W TO 09N100W TO 13N98W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE POLO NEAR 16.5N 103.2W. MAXIMUM
SUSTAINED WINDS 135 KT GUSTS 165 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM NW AND SE QUADRANTS...110 NM NE QUADRANT AND 80 NM
SW QUADRANT. SEAS 4 M OR GREATER OVER FORECAST WATERS WITHIN 240
NM NE QUADRANT...270 NM SE QUADRANT...210 NM SW QUADRANT AND 180
NM NW QUADRANT WITH SEAS TO 11.0 M. ELSEWHERE WITHIN 17N100W TO
19N105W TO 18N106W TO 15N106W TO 13N105W TO 13N102W TO 17N100W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN
15N97W TO 20N106W TO 18N108W TO 10N105W TO 09N101W TO 12N98W TO
15N97W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN MIXED SWELL.
...HURRICANE WARNING...
.TROPICAL STORM ODALYS NEAR 14.3N 130.3W 1002 MB AT 0300 UTC SEP
22 MOVING WNW OR 295 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NW AND SE
QUADRANTS...70 NM NE QUADRANT AND 60 NM SW QUADRANT. SEAS 4 M OR
GREATER WITHIN 120 NM N SEMICIRCLE...150 NM SE QUADRANT AND 60
NM SW QUADRANT WITH SEAS TO 5.5 M. ELSEWHERE WITHIN 15N127W TO
19N129W TO 18N132W TO 13N132W TO 11N131W TO 12N127W TO 15N127W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN
16N124W TO 18N126W TO 20N133W TO 13N133W TO 11N128W TO 13N124W TO
16N124W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM ODALYS NEAR 15.1N 129.3W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM NE AND SW QUADRANTS...AND 70 NM SE AND NW
QUADRANTS. SEAS 4 M OR GREATER WITHIN 150 NM NE QUADRANT...135
NM SE QUADRANT...AND 180 NM W SEMICIRCLE WITH SEAS TO 6.0 M.
ELSEWHERE WITHIN 19N126W TO 21N131W TO 17N134W TO 12N132W TO
11N129W TO 13N126W TO 19N126W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0
M. REMAINDER OF AREA WITHIN 20N125W TO 22N128W TO 17N135W TO
11N133W TO 12N125W TO 20N125W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.5 M IN MIXED SWELL.
.36 HOUR FORECAST HURRICANE ODALYS NEAR 15.2N 128.1W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.48 HOUR FORECAST HURRICANE ODALYS NEAR 15.5N 126.8W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM E SEMICIRCLE...90 NM SW QUADRANT AND 80 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM OF CENTER...EXCEPT
180 NM NW QUADRANT WITH SEAS TO 7.0 M. ELSEWHERE WITHIN 19N124W
TO 20N126W TO 20N130W TO 16N131W TO 13N129W TO 13N125W TO 19N124W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN
17N123W TO 21N127W TO 21N132W TO 16N134W TO 10N129W TO 10N125W TO
17N123W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
ASIDE FROM CONDITIONS ASSOCIATED WITH POLO, MODERATE TO FRESH NW
WINDS ARE OFFSHORE BAJA CALIFORNIA WITH MODERATE OR WEAKER WINDS
ACROSS THE REMAINDER OF THE WATERS. SEAS ARE 1-3 FT IN THE GULF
OF CALIFORNIA, AND 4-7 FT ACROSS THE REMAINDER OF THE WATERS
AWAY FROM POLO.
FOR THE FORECAST, POLO WILL MOVE TO 14.9N 101.8W TUE MORNING,
15.1N 101.7W TUE EVENING, 15.6N 102.2W WED MORNING, 16.5N 103.2W
WED EVENING, 17.3N 104.5W THU MORNING, AND 17.7N 106.0W THU
EVENING. POLO WILL CHANGE LITTLE IN INTENSITY AS IT MOVES TO 18.6N
109.2W LATE FRI. OTHERWISE, MODERATE TO LOCALLY FRESH NW WINDS
WILL PREVAIL ACROSS THE OFFSHORE BAJA CALIFORNIA WATERS THROUGH
EARLY FRI MORNING WHEN CONDITIONS IN BAJA CALIFORNIA SUR
OFFSHORES WILL START TO DETERIORATE DUE TO THE PROXIMITY OF POLO.
LOOKING AHEAD, TROPICAL STORM ODALYS CURRENTLY WELL TO THE
SOUTHWEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA IS FORECAST TO
STRENGTHEN TO A HURRICANE AND GRADUALLY APPROACH THE WATERS JUST
BEYOND THE BAJA CALIFORNIA OFFSHORE WATERS BY THE END OF THE
UPCOMING WEEKEND. OUTER SWELLS ASSOCIATED WITH ODALYS WILL
PROPAGATE INTO THE BAJA CALIFORNIA WATERS AND MIX WITH THOSE FROM
POLO TO CREATE VERY CONFUSED AND HAZARDOUS SEAS THIS WEEKEND.
FRESH TO STRONG NORTHERLY GAP WINDS MAY DEVELOP IN THE GULF OF
TEHUANTEPEC EARLY THU, THEN PULSE INTO THE UPCOMING WEEKEND.
ALSO, AN AREA OF LOW PRESSURE COULD FORM IN A FEW DAYS TO THE
SOUTH OF THE GULF OF TEHUANTEPEC. THEREAFTER, ENVIRONMENTAL
CONDITIONS APPEAR FAVORABLE FOR GRADUAL DEVELOPMENT, AND A
TROPICAL DEPRESSION COULD FORM LATE THIS WEEK OR THIS WEEKEND
WHILE THE SYSTEM MOVES SLOWLY WEST- NORTHWESTWARD TO
NORTHWESTWARD, PARALLEL TO THE COAST OF SOUTHERN AND SOUTHWESTERN
MEXICO.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - W 6-7, Seas S 0.7-1.9 ft @ 8sec
TONITE - WSW 2-2, Seas S 0-1.9 ft @ 8sec
WEDNESDAY - NW 8-10, Seas SSW 0-1.9 ft @ 14sec
WEDNESDAY NIGHT - NW 7-9, Seas SSW 0-2 ft @ 14sec
LONG-TERM MAZATLAN TO BAHIA BANDERAS
THURSDAY - NW 7-9, Seas SSW 0-2 ft @ 14sec
FRIDAY - W 8-10, Seas S 0-6.7 ft @ 13sec
SATURDAY - WSW 8-10, Seas SSW 0-8.3 ft @ 14sec
SUNDAY - WNW 7-9, Seas SW 0-5.4 ft @ 12sec
MONDAY - WNW 8-10, Seas SW 0-4 ft @ 12sec