Mazatlan to Banderas Bay Forecast
September 27, 2026, 8:00 am (UTC: -05:00)
Subject: Mazatlan to Banderas Bay Forecast
Questions/Comments visit https://svsarana.com
This forecast has not been reviewed. It was generated from an automatic model.
.WARNINGS.
...HURRICANE WARNING...
.HURRICANE POLO NEAR 20.3N 113.6W 952 MB AT 0900 UTC SEP 27
MOVING NNW OR 330 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 105 KT
GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM S
SEMICIRCLE...110 NM NE QUADRANT AND 100 NM NW QUADRANT. SEAS 4
M OR GREATER WITHIN 180 NM N SEMICIRCLE...210 NM SE QUADRANT AND
150 NM SW QUADRANT WITH SEAS TO 12 M. ELSEWHERE WITHIN 20N110W
TO 22N112W TO 21N115W TO 18N116W TO 16N115W TO 16N111W TO
20N110W WINDS 20 TO 33 KT. SEAS 3 TO 5 M. REMAINDER OF AREA
WITHIN 20N107W TO 27N118W TO 10N118W TO 09N108W TO 13N105W TO
20N107W...INCLUDING NEAR CABO CORRIENTES AND WITHIN 60 NM OF
SHORE...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE POLO NEAR 23.4N 114.0W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 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 11.5 M. ELSEWHERE WITHIN 23N112W TO 25N115W TO 23N117W TO
20N116W TO 20N112W TO 21N111W TO 23N112W WINDS 20 TO 33 KT. SEAS
3.5 TO 4 M. REMAINDER OF AREA WITHIN 23N109W TO 28N118W TO
18N118W TO 12N116W TO 12N112W TO 14N108W TO 23N109W...INCLUDING
WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN
MIXED SWELL.
.48 HOUR FORECAST HURRICANE POLO ALONG COAST OF BAJA CALIFORNIA
NEAR 26.8N 111.6W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT.
TROPICAL STORM FORCE WINDS WITHIN 70 NM E SEMICIRCLE AND 60 NM W
SEMICIRCLE. SEAS 4 M OR GREATER OVER FORECAST WATERS...INCLUDING
THE GULF OF CALIFORNIA...WITHIN 60 NM NE SEMICIRCLE AND 180 NM
SW SEMICIRCLE WITH SEAS TO 5.5 M. ELSEWHERE WITHIN 24N112W TO
29N115W TO 27N117W TO 23N116W TO 22N114W TO 24N111W TO
24N112W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF
SHORE...WINDS 20 TO 33 KT AND IN THE GULF OF CALIFORNIA WITHIN
24N110W TO 26N109.5W TO 26N.5N110W TO 28N111W TO 27N112W TO
26N111W TO 24N110W SEAS 2.5 TO 4 M. REMAINDER OF AREA WITHIN
23N110W TO 30N116W TO 30N122W TO 21N120W TO 18N118W TO 20N115W TO
23N110W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
...HURRICANE WARNING...
.HURRICANE ODALYS NEAR 21.9N 123.4W 985 MB AT 0900 UTC SEP 27
MOVING N OR 05 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 65 KT GUSTS
80 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM E SEMICIRCLE...70
NM SW QUADRANT AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN
150 NM OF CENTER EXCEPT 180 NM SE QUADRANT WITH SEAS TO 7 M.
ELSEWHERE WITHIN 21N122W TO 23N122W TO 23N126W TO 20N127W TO
18N125W TO 19N122W TO 22N121W WINDS 20 TO 33 KT. SEAS 3 TO 5 M.
REMAINDER OF AREA WITHIN 28N121W TO 30N122W TO 30N131W TO 24N136W
TO 20N139W TO 16N131W TO 08N131W TO 08N120W TO 20N118W TO
28N121W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM ODALYS NEAR 22.6N 122.9W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 20 NM OF CENTER. SEAS 4 M OR GREATER WITHIN 90 NM N
SEMICIRCLE...120 NM SE QUADRANT...AND 150 NM SW QUADRANT WITH
SEAS TO WITH SEAS TO 6 M. ELSEWHERE WITHIN 25N123W TO 24N127W TO
22N126W TO 20N125W TO 21N123W TO 22N122W TO 25N123W WINDS 20 TO
33 KT. SEAS 3 TO 4.5 M. REMAINDER OF AREA WITHIN 29N120W TO
30N140W TO 17N140W TO 20N133W TO 17N130W TO 19N118W TO 29N120W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW ODALYS NEAR 21.0N
122.4W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. SEAS LESS THAN
4 M. ELSEWHERE WITHIN 24N124W TO 23N125W TO 21N125.5W TO 21N124W
TO 24N124W WINDS 20 TO 25 KT. SEAS 3.5 TO 4.0 M. REMAINDER OF
AREA WITHIN 29N121W TO 28N140W TO 18N140W TO 18N123W TO 22N120W
TO 21N118W TO 29N121W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN
MIXED SWELL.
...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION EIGHTEEN-E NEAR 12.2N 99.1W 1008 MB AT 0900
UTC SEP 27 MOVING WNW OR 285 DEG AT 9 KT. MAXIMUM SUSTAINED
WINDS 30 KT GUSTS 40 KT. WITHIN 14N95W TO 15N97W TO 13N100W TO
09N98W TO 10N95W TO 14N95W WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.
.24 HOUR FORECAST TROPICAL STORM EIGHTEEN-E NEAR 13.2N 100.8W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM NE QUADRANT...50 NM SE QUADRANT...40 NM SW
QUADRANT...AND 30 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 60
NM N SEMICIRCLE AND 30 NM S SEMICIRCLE WITH SEAS TO 5 M.
ELSEWHERE WITHIN 12N96W TO 15N97W TO 16N101W TO 12N103W TO
09N100W TO 09N97W TO 12N96W S TO SW WINDS 20 TO 33 KT. SEAS 3 TO
4.5 M. REMAINDER OF AREA WITHIN 15N95W TO 16N101W TO 13N103W TO
08N100W TO 08N95W TO 11N94W TO 15N95W...INCLUDING THE GULF OF
TEHUANTEPEC...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED
SWELL.
.48 HOUR FORECAST TROPICAL STORM EIGHTEEN-E NEAR 14.7N 104.1W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 90 NM W SEMICIRCLE...120 NM NE QUADRANT AND 100 NM
SE QUADRANT. SEAS 4 M OR GREATER WITHIN 240 NM NE QUADRANT...180
NM SE QUADRANT AND 90 NM W SEMICIRCLE WITH SEAS TO 6.5 M.
ELSEWHERE WITHIN 16N102W TO 17N103W TO 17N105W TO 16N106W TO
14N105W TO 14N103W TO 16N102W WINDS 20 TO 33 KT. SEAS 3 TO 5.5 M.
REMAINDER OF AREA WITHIN 15N98W TO 18N102W TO 18N105W TO 15N107W
TO 11N105W TO 10N101W...INCLUDING NEAR CABO CORRIENTES...WINDS
20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE POLO ALONG COAST OF BAJA CALIFORNIA
NEAR 26.8N 111.6W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT.
TROPICAL STORM FORCE WINDS WITHIN 70 NM E SEMICIRCLE AND 60 NM W
SEMICIRCLE. SEAS 4 M OR GREATER OVER FORECAST WATERS...INCLUDING
THE GULF OF CALIFORNIA...WITHIN 60 NM NE SEMICIRCLE AND 180 NM
SW SEMICIRCLE WITH SEAS TO 5.5 M. ELSEWHERE WITHIN 24N112W TO
29N115W TO 27N117W TO 23N116W TO 22N114W TO 24N111W TO
24N112W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF
SHORE...WINDS 20 TO 33 KT AND IN THE GULF OF CALIFORNIA WITHIN
24N110W TO 26N109.5W TO 26N.5N110W TO 28N111W TO 27N112W TO
26N111W TO 24N110W SEAS 2.5 TO 4 M. REMAINDER OF AREA WITHIN
23N110W TO 30N116W TO 30N122W TO 21N120W TO 18N118W TO 20N115W TO
23N110W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
THE IMPACTS FROM THESE FEATURES ENCOMPASS MUCH OF THE BASIN.
ELSEWHERE, GENTLE TO MODERATE NORTHWEST TO NORTH WINDS ARE
OFFSHORE THE BAJA CALIFORNIA PENINSULA AND LIGHT TO GENTLE WINDS
ELSEWHERE OVER THE MEXICAN OFFSHORE WATERS. LIGHT TO GENTLE
WINDS ARE IN THE GULF OF CALIFORNIA PER LATEST SCATTEROMETER
DATA. MODERATE SEAS REMAIN OVER THE OFFSHORE WATERS AND THE
SOUTHERN GULF OF CALIFORNIA, WITH SLIGHT
SEAS IN THE CENTRAL AND NORTHERN GULF SECTIONS.
MAJOR HURRICANE POLO IS CENTERED NEAR 21.9N 123.4W, OR ABOUT 260
NM SOUTHWEST OF CABO SAN LUCAS, MEXICO AT 27/0900 UTC, MOVING
NORTH AT 7 KT. ESTIMATED MINIMUM CENTRAL PRESSURE IS 985 MB.
MAXIMUM SUSTAINED WIND SPEED IS 65 KT WITH GUSTS TO 80 KT.
SATELLITE IMAGERY INDICATES A FAINT EYE FEATURE. THE IMAGERY
SHOWS NUMEROUS STRONG CONVECTION WITHIN 90 NM IN THE E
SEMICIRCLE, 120 NM IN THE SW QUADRANT AND 180 NM IN THE NW
QUADRANT. PEAK SEAS ARE NEAR 39 FT (12 M). A TURN TOWARD THE
NORTH IS EXPECTED LATER TODAY, FOLLOWED BY A TURN TOWARD THE
NORTHEAST ON MONDAY. ON THE FORECAST TRACK, POLO IS EXPECTED TO
APPROACH THE WEST COAST OF BAJA CALIFORNIA SUR ON MON, MOVE
ACROSS THE PENINSULA MON NIGHT AND THEN APPROACH NORTHWESTERN
MAINLAND MEXICO BY EARLY TUE. ADDITIONAL WEAKENING IS EXPECTED
DURING THE NEXT FEW DAYS, BUT POLO IS FORECAST TO REMAIN A
HURRICANE WHEN IT APPROACHES BAJA CALIFORNIA SUR ON MON.
POLO IS EXPECTED TO PRODUCE RAINFALL TOTALS OF 4 TO 8 INCHES
WITH MAXIMUM AMOUNTS OF 10 INCHES ACROSS PORTIONS OF BAJA
CALIFORNIA SUR. THIS RAINFALL MAY PRODUCE LIFE-THREATENING
FLOODING AND MUDSLIDES, ESPECIALLY IN AREAS OF STEEP TERRAIN.
FOR A COMPLETE DEPICTION OF FORECAST RAINFALL ASSOCIATED WITH
POLO, PLEASE SEE THE NATIONAL WEATHER SERVICE STORM TOTAL
RAINFALL GRAPHIC AVAILABLE AT
HURRICANES.GOV/GRAPHICS_EP2.SHTML?RAINQPF
SWELLS GENERATED BY POLO WILL CONTINUE AFFECTING THE COAST OF
SOUTHWESTERN MEXICO, WEST-CENTRAL MEXICO, AND BAJA CALIFORNIA SUR
DURING THE NEXT COUPLE OF DAYS. THESE SWELLS WILL SPREAD NORTHWARD
ALONG THE COAST OF THE BAJA CALIFORNIA PENINSULA THROUGH THE
REMAINDER OF THE WEEKEND. THESE SWELLS ARE LIKELY TO CAUSE
LIFE-THREATENING SURF, RIP CURRENTS, AND COASTAL FLOODING. PLEASE
CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE.
HURRICANE ODALYS IS CENTERED NEAR 21.9N 123.4W, OR ABOUT 750 NM
WEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA AT 27/0900 UTC,
MOVING NORTH AT 7 KT. ESTIMATED MINIMUM CENTRAL PRESSURE IS 985
MB. MAXIMUM SUSTAINED WIND SPEED IS 65 KT WITH GUSTS TO 80 KT.
PEAK SEAS ARE TO NEAR 24 FT (7 M). ODALYS'S OVERALL CONVECTIVE
STRUCTURE HAS DEGENERATED INTO AN IRREGULARLY SHAPED CENTRAL
DENSE OVERCAST. SATELLITE IMAGERY SHOWS NUMEROUS MODERATE TO
STRONG CONVECTION WITHIN 210 NM IN THE NE QUADRANT, 30 NM IN
THE SE QUADRANT, 60 NM IN THE SE QUADRANT AND 150 NM IN THE
NW QUADRANT. ODALYS WILL MAINTAIN ITS PRESENT MOTION THROUGH
THIS EVENING, FOLLOWED BY A SHARP TURN TO THE SOUTH- SOUTHEAST
BY EARLY NEXT WEEK. RAPID WEAKENING IS FORECAST OVER THE NEXT
FEW DAYS, AND ODALYS IS ANTICIPATED TO BECOME A POST-TROPICAL
CYCLONE BY MON.
FOR THE FORECAST, MAJOR HURRICANE POLO IS NEAR 20.3N 113.6W, OR ABOUT
260 NM SOUTHWEST OF CABO SAN LUCAS, MEXICO AT 2 AM PDT, AND IS
MOVING NORTH-NORTHWEST AT 9 KT. MAXIMUM SUSTAINED WINDS ARE 105
KT WITH GUSTS TO 130 KT, AND THE MINIMUM CENTRAL PRESSURE IS 952
MB. POLO WILL MOVE TO NEAR 21.6N 114.0W THIS AFTERNOON, TO NEAR
23.4N 114.0W LATE TONIGHT, TO 25.1N 113.1W MON AFTERNOON, TO NEAR
26.8N 111.6W LATE MON NIGHT, WEAKEN TO A TROPICAL STORM NEAR
28.9N 109.3W TUE AFTERNOON, AND MOVE INLAND AND WEAKEN TO A
TROPICAL DEPRESSION NEAR 31.3N 106.8W LATE TUE NIGHT AND
DISSIPATE EARLY THU. HURRICANE ODALYS IS NEAR 21.9N 123.4W, OR
ABOUT 750 NM WEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA AT 2 AM
PDT, AND IS MOVING NORTH AT 7 KT. MAXIMUM SUSTAINED WINDS ARE 65
KT WITH GUSTS TO 80 KT, AND THE MINIMUM CENTRAL PRESSURE IS 985
MB. ODALYS WILL WEAKEN TO A TROPICAL STORM NEAR 22.4N 123.2W THIS
AFTERNOON, BECOME POST-TROPICAL AND MOVE TO NEAR 22.6N 122.9W
MON MORNING, TO NEAR 22.0N 122.6W MON AFTERNOON, WEAKEN TO A
REMNANT LOW NEAR 21.0N 122.4W TUE MORNING, MOVE TO NEAR 19.9N
122.2W TUE AFTERNOON, TO NEAR 19.1N 122.1W WED MORNING AND
DISSIPATE EARLY ON THU. NEWLY FORMED TROPICAL DEPRESSION
EIGHTEEN-E IS NEAR 12.2N 99.1W AT 2 AM PDT, AND IS MOVING WEST-
NORTHWEST AT 9 KT. MAXIMUM SUSTAINED WINDS ARE 30 KT WITH GUSTS
TO 40 KT, AND THE MINIMUM CENTRAL PRESSURE IS 1008 MB. EIGHTEEN-E
WILL MOVE TO NEAR 12.7N 99.6W THIS AFTERNOON, STRENGTHEN TO A
TROPICAL STORM NEAR 13.2N 100.8W LATE TONIGHT WITH MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT, MOVE TO NEAR 13.8N 102.2W MON
AFTERNOON, TO NEAR 14.7N 104.1W LATE MON NIGHT, STRENGTHEN TO A
HURRICANE NEAR 15.7N 105.9W TUE AFTERNOON WITH MAXIMUM SUSTAINED
WINDS 65 KT GUSTS 80 KT, AND MOVE TO NEAR 16.9N 107.7W LATE TUE
NIGHT WED MORNING. EIGHTEEN-E WILL MOVE TO NEAR 18.7N 109.6W LATE
WED NIGHT WITH MAXIMUM SUSTAINED WINDS 80 KT GUSTS 100 KT. THE
FORECAST WATERS WILL BE IMPACTED BY VERY HAZARDOUS CONDITIONS,
FOR THE MOST PART, DURING THE FORECAST PERIOD.
FOR THE FORECAST, MAJOR HURRICANE POLO IS NEAR 20.3N 113.6W, OR
ABOUT 260 NM SOUTHWEST OF CABO SAN LUCAS, MEXICO AT 2 AM PDT, AND IS
MOVING NORTH-NORTHWEST AT 9 KT. MAXIMUM SUSTAINED WINDS ARE 105 KT
WITH GUSTS TO 130 KT, AND THE MINIMUM CENTRAL PRESSURE IS 952 MB.
POLO WILL MOVE TO NEAR 21.6N 114.0W THIS AFTERNOON, TO NEAR 23.4N
114.0W LATE TONIGHT, TO 25.1N 113.1W MON AFTERNOON, TO NEAR 26.8N
111.6W LATE MON NIGHT, WEAKEN TO A TROPICAL STORM NEAR 28.9N 109.3W
TUE AFTERNOON, AND MOVE INLAND AND WEAKEN TO A TROPICAL DEPRESSION
NEAR 31.3N 106.8W LATE TUE NIGHT AND DISSIPATE EARLY THU. HURRICANE
ODALYS IS NEAR 21.9N 123.4W, OR ABOUT 750 NM WEST OF THE SOUTHERN
TIP OF BAJA CALIFORNIA AT 2 AM PDT, AND IS MOVING NORTH AT 7 KT.
MAXIMUM SUSTAINED WINDS ARE 65 KT WITH GUSTS TO 80 KT, AND THE
MINIMUM CENTRAL PRESSURE IS 985 MB. ODALYS WILL WEAKEN TO A TROPICAL
STORM NEAR 22.4N 123.2W THIS AFTERNOON, BECOME POST-TROPICAL AND
MOVE TO NEAR 22.6N 122.9W MON MORNING, TO NEAR 22.0N 122.6W MON
AFTERNOON, WEAKEN TO A REMNANT LOW NEAR 21.0N 122.4W TUE MORNING,
MOVE TO NEAR 19.9N 122.2W TUE AFTERNOON, TO NEAR 19.1N 122.1W WED
MORNING AND DISSIPATE EARLY ON THU.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - W 6-8, Seas SW 0-5.6 ft @ 12sec
TONITE - W 6-7, Seas SW 0-5.4 ft @ 12sec
MONDAY - W 6-7, Seas SW 0-5.4 ft @ 12sec
MONDAY NIGHT - SSE 6-8, Seas WSW 0-5 ft @ 12sec
LONG-TERM MAZATLAN TO BAHIA BANDERAS
TUESDAY - SSW 12-15, Seas WSW 0-5 ft @ 11sec
WEDNESDAY - SSW 11-14, Seas S 0-8.9 ft @ 14sec
THURSDAY - S 12-15, Seas SSW 0-10.1 ft @ 14sec
FRIDAY - SSE 14-17, Seas SSW 0-10.3 ft @ 14sec
SATURDAY - S 18-22, Seas SW 12.3-12.3 ft @ 12sec