Mazatlan to Banderas Bay Forecast
July 18, 2026, 9:00 am (UTC: -04:00)
Subject: Mazatlan to Banderas Bay Forecast
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This forecast has not been reviewed. It was generated from an automatic model.
.WARNINGS.
...TROPICAL STORM WARNING...
.TROPICAL STORM ELIDA NEAR 18.0N 122.8W 990 MB AT 0900 UTC JUL
18 MOVING NW OR 315 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NE
QUADRANT...170 NM SE QUADRANT...50 NM SW QUADRANT...AND 90 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 360 NM NE QUADRANT...300 NM
SE QUADRANT...150 NM SW QUADRANT...AND 180 NM NW QUADRANT WITH
SEAS TO 6.5 M. ELSEWHERE WITHIN 24N122W TO 23N129W TO 18N127W TO
13N123W TO 12N119W TO 18N115W TO 24N122W WINDS 20 TO 33 KT. SEAS
2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 24N117W TO 23N130W TO
15N127W TO 10N122W TO 10N117W TO 17N113W TO 24N117W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM ELIDA NEAR 20.7N 124.8W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 140 NM E SEMICIRCLE...60 NM SW QUADRANT AND 100 NM
NW QUADRANT. SEAS 4 M OR GREATER WITHIN 300 NM OF CENTER...WITH
SEAS TO 7.5 M. ELSEWHERE WITHIN 25N120W TO 27N126W TO 23N133W TO
20N132W TO 17N123W TO 19N119W TO 25N120W WINDS 20 TO 33 KT. SEAS
2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 24N117W TO 28N124W TO
22N136W TO 16N132W TO 10N121W TO 17N117W TO 24N117W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM ELIDA NEAR 24.9N 126.6W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 120 NM NE QUADRANT...110 NM SE QUADRANT...60 NM SW
QUADRANT...AND 100 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN
240 NM OF CENTER...EXCEPT WITHIN 300 NM SW QUADRANT WITH SEAS TO
6.0 M. ELSEWHERE WITHIN 29N124W TO 28N132W TO 23N134W TO 20N127W
TO 24N121W TO 29N124W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M.
REMAINDER OF AREA WITHIN 22N119W TO 30N122W TO 30N132W TO 24N140W
TO 16N140W TO 13N126W TO 22N119W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.5 M IN MIXED SWELL.
...GALE WARNING...
.BROAD LOW PRES...INVEST EP97...NEAR 10.5N105.5W 1009 MB.
WITHIN 11N103W TO 12N107W TO 10N108W TO 08N107W TO 08N105W TO
09N103W TO 11N103W WINDS 20 TO 25 KT. SEAS BUILDING TO 2.5 TO
3.0 M.
.24 HOUR FORECAST LOW PRES...INVEST EP97...POSSIBLE TROPICAL
CYCLONE...NEAR 11.5N109.5W 1006 MB. WITHIN 15N105W TO 15N109W
TO 12N111W TO 09N109W TO 08N107W TO 11N104W TO 15N105W WINDS 20
TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW PRES...INVEST EP97...POSSIBLE TROPICAL
CYCLONE...NEAR 13N113W 1003 MB. WITHIN 13N112W TO 14N112W TO
14N113W TO 12N113W TO 12N112W TO 13N112W WINDS 30 TO 35 KT. SEAS
3.0 T0 4.5 M. ELSEWHERE WITHIN 18N109W TO 18N114W TO 15N116W TO
10N116W TO 08N111W TO 11N108W TO 18N109W WINDS 20 TO 30 KT. SEAS
2.5 TO 3.0 M.
OUTER CONDITIONS ASSOCIATED WITH TROPICAL STORM ELIDA HAVE
SHIFTED WEST OF THE OFFSHORE WATERS, EXCEPT FOR REMNANT ROUGH
SEAS WELL OFFSHORE BAJA CALIFORNIA SUR. FRESH TO STRONG N TO NE
WINDS AND LOCALLY ROUGH SEAS ARE IN THE GULF OF TEHUANTEPEC PER
RECENT ASCAT SCATTEROMETER DATA, DUE TO A LOCALLY TIGHT PRESSURE
GRADIENT AND NOCTURNAL DRAINAGE FLOW. OTHERWISE, A BROAD
NORTHWEST TO SOUTHEAST RIDGE AXIS EXTENDS ACROSS THE WATERS.
WINDS ARE MODERATE OR WEAKER ACROSS THE REMAINDER OF THE WATERS
UNDER THE RIDGE, EXCEPT MODERATE TO FRESH SOUTHERLY WINDS IN THE
NORTHERN GULF OF CALIFORNIA, AND SIMILAR WIND SPEEDS NEAR THE
SPECIAL FEATURES INVEST EP97 LOW PRESSURE AREA. SEAS ARE
MODERATE ELSEWHERE AWAY FROM ELIDA, EXCEPT SLIGHT IN THE GULF OF
CALIFORNIA. ACTIVE CONVECTION IS PRESENT NEAR THE MONSOON TROUGH
ACROSS MUCH OF THE OFFSHORE WATERS SOUTHERN AND SOUTHWESTERN
MEXICO, WITH LOCALLY HIGHER WINDS AND SEAS POSSIBLE NEAR
THUNDERSTORMS.
FOR THE FORECAST, REMNANT ROUGH SEAS ASSOCIATED WITH TROPICAL
STORM ELIDA WELL OFFSHORE BAJA CALIFORNIA SUR WHICH WILL LINGER
THROUGH THE REMAINDER OF THE WEEKEND. FRESH TO STRONG NORTHERLY
GAP WINDS WILL CONTINUE TO PULSE IN THE GULF OF TEHUANTEPEC WITH
OCCASIONALLY ROUGH SEAS. A TROPICAL WAVE CURRENTLY NEAR 105.5W
OFFSHORE SOUTHWESTERN MEXICO HAS A HIGH CHANCE FOR TROPICAL
CYCLONE FORMATION DURING THE NEXT 48 HOURS. REGARDLESS OF
DEVELOPMENT, INCREASING WINDS AND BUILDING SEAS WILL BE POSSIBLE
NEAR THE REVILLAGIGEDO ISLANDS BY LATE THIS WEEKEND INTO EARLY
NEXT WEEK, WITH A GALE WARNING NOW IN EFFECT BEGINNING LATE SUN
NIGHT INTO EARLY MON IF NOT SOONER. MODERATE OR WEAKER WINDS AND
MODERATE SEAS WILL PREVAIL ELSEWHERE, EXCEPT SLIGHT SEAS IN THE
GULF OF CALIFORNIA, AND OCCASIONAL FRESH TO LOCALLY STRONG
SOUTHERLY WINDS IN THE NORTHERN GULF OF CALIFORNIA. WINDS MAY
FRESHEN OFF BAJA CALIFORNIA NORTE BY MIDWEEK.
TROPICAL STORM ELIDA: TROPICAL STORM ELIDA IS CENTERED NEAR 18.0N
122.8W AT 18/0900 UTC, MOVING NORTHWEST AT 8 KT. ESTIMATED
MINIMUM CENTRAL PRESSURE IS 990 MB. MAXIMUM SUSTAINED WIND SPEED
IS 60 KT WITH GUSTS TO 75 KT. PEAK SEAS ARE CURRENTLY 22 TO 23
FT, OR AROUND 6 M. NUMEROUS MODERATE TO STRONG CONVECTION IS
NOTED WITHIN 120 NM IN THE WEST SEMICIRCLE. SCATTERED TO NUMEROUS
MODERATE CONVECTION IS NOTED WITHIN 90 NM IN THE EAST SEMICIRCLE,
WITH ISOLATED TO SCATTERED MODERATE CONVECTION ELSEWHERE BETWEEN
120 NM AND 240 NM OF THE CENTER OF ELIDA. ELIDA IS MOVING TOWARD
THE NORTHWEST, AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE
TODAY. A FASTER MOTION TOWARD THE NORTH-NORTHWEST IS FORECAST BY
EARLY SUN, FOLLOWED BY A NORTHWARD TURN ON MON. LITTLE CHANGE IN
STRENGTH IS FORECAST TODAY, BUT WEAKENING IS EXPECTED TO BEGIN
BY TONIGHT AND CONTINUE FOR THE NEXT FEW DAYS. ELIDA IS LIKELY TO
BECOME POST-TROPICAL ON MON. SWELLS GENERATED BY ELIDA WILL AFFECT
PORTIONS OF THE WEST COAST OF THE BAJA CALIFORNIA PENINSULA
THROUGH THIS WEEKEND. THESE SWELLS ARE LIKELY TO CAUSE LIFE-
THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE CONSULT
PRODUCTS FROM YOUR LOCAL WEATHER OFFICE. PLEASE READ THE LATEST
HIGH SEAS FORECAST ISSUED BY THE NATIONAL HURRICANE CENTER AT
WEBSITE - HTTPS://WWW.NHC.NOAA.GOV/TEXT/MIAHSFEP2.SHTML AND THE
LATEST ELIDA NHC FORECAST/ADVISORY AND PUBLIC ADVISORY AT
WWW.HURRICANES.GOV FOR MORE DETAILS.
PLEASE REFER TO THE SPECIAL FEATURES SECTION FOR DETAILS ON TROPICAL
STORM ELIDA, CENTERED ABOUT 782 NAUTICAL MILES WEST-SOUTHWEST OF
THE SOUTHERN TIP OF BAJA CALIFORNIA, AND ON A BROAD AREA OF LOW
PRESSURE, INVEST EP97, NEAR 10.5N105.5W, WITH THE HIGH POTENTIAL
FOR TROPICAL CYCLONE FORMATION.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - Not available yet
TONITE - Not available yet
SUNDAY - Not available yet
SUNDAY NIGHT - Not available yet
LONG-TERM MAZATLAN TO BAHIA BANDERAS
MONDAY - Not available yet
TUESDAY - Not available yet
WEDNESDAY - NW 8-10, Seas SSW 1.5-5.1 ft @ 12sec
THURSDAY - W 4-5, Seas N/A ?-? ft @ ?
FRIDAY - NW 10-12, Seas N/A ?-? ft @ ?