Mustang Island & Port Aransas, TX

Today’s Forecast:

Today’s Report:

About Mustang Island & Port Aransas

This page connects recreation around Port Aransas with Mustang Island State Park. A single point captures the broad weather pattern, while the named access areas supply the operating detail.

Plan Around Conditions

Check the north and south nearshore zones separately, then add ferry, tidal-pass and beach-driving status for Port Aransas. Consult the forecast, gauge, harbor or launch authority responsible for the exact water and access point before relying on conditional access.

Weather Tips

• Mustang Island State Park lies south of Port Aransas; Redfish Bay and ferry-side water, the tidal pass, Gulf beaches, and north-versus-south nearshore forecasts require separate checks.
• Leave the Gulf-facing shore before a gust front or rising surf can make the route back from Mustang Island State Park difficult.
• Compare tide, visibility and water-quality notices for Port Aransas with the separate wind forecast for the actual water used.

Nearby Towns and Areas

• Port Aransas
• Mustang Island State Park
• Aransas Pass
• Corpus Christi Ship Channel
• San Jose Island

Adjust the Day to the Forecast

If wind or water conditions rule out the planned launch, use a legal shore-fishing or land route near Port Aransas instead of moving blindly to another access point.

7-Day Forecast

Weather by Season

Winter

Northers bring abrupt wind shifts, rough Gulf surf and cold-water exposure along Port Aransas; ferry or beach-road access may lag improving skies.

Spring

Spring sea fog, strengthening onshore wind and changing beach access shape trips toward Mustang Island State Park; Gulf and bay forecasts should not be interchanged.

Summer

Heat index, rip currents, lightning, sargassum and water-quality notices shape Gulf-side use; bay-side wind can differ sharply near Port Aransas.

Fall

Warm Gulf water keeps tropical swell, overwash and evacuation risk active through much of fall; a pleasant air temperature near Mustang Island State Park is not an all-clear.

Key Climate Data Points

• Local climate: Barrier island, gulf beach and harbor conditions near Port Aransas make surf the leading local planning signal.
• Annual mean temperature: Near Port Aransas, the annual mean temperature is generally in the low 70s °F; Gulf and bay water moderates winter cold but adds humidity and wind exposure.
• Warmest or primary-use period: July and August bring the hottest air and warmest water, with humidity and tropical-season disruptions limiting long outings.
• Coldest or limited-access period: December through February is coolest; snow is unusual, but northers, cold water and isolated freezes can close exposed access.
• Most consequential precipitation period: Late spring and september is the most consequential precipitation period here because it can affect surf near Mustang Island State Park.
• Primary hazard timing: June through november tropical, heat and coastal-flood hazards most directly affects rip currents.
• Best general outdoor window: March through may and october through november when marine wind cooperates; the useful window still depends on surf.