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Photo: Swimming Beach at Heart's Desire by ANNLF19271 (CC BY-SA 4.0) License

Tomales Bay State Park

State park · Inverness, California

Cool todayBarbecue grillPicnic tablesPublic restroomWheelchair accessible entrance

Park featuring swimming beaches, hiking trails, forests, marshes, picnic areas & wildlife.

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Current water conditions

Water temp
61°F
16°C
Cool water — ease in carefully. Cool enough to cause cold-water shock on a sudden entry. Get in gradually, let your breathing settle, and keep an eye on weaker swimmers.

Live data from NOAA buoy PRYC1 (9.7 mi away), as of Aug 20, 10:30 PM UTC. Conditions are for general information only and can change quickly — always judge the water in person and follow posted advisories before swimming.

Weather at Tomales Bay State Park

H: 64° L: 54°
Overcast
Overcast
60°
|
Feels like 55°
Precipitation
49%
Humidity
92%
Wind
13 mph
UV Index
3
Water Conditions:
🥶Too cold for most swimmers
12 AM
Fog
56°
3 AM
Fog
54°
6 AM
Fog
55°
9 AM
Overcast
59°
12 PM
Overcast
63°
3 PM
Overcast
62°
6 PM
Overcast
59°
9 PM
Patchy rain nearby
57°

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Frequently asked questions

Where is Tomales Bay State Park?
Tomales Bay State Park is a state park in Inverness, California.
What is the water temperature at Tomales Bay State Park?
As of August 20, 2026, the water temperature at Tomales Bay State Park in Inverness, California is 61°F (16°C), measured by NOAA buoy PRYC1, 9.7 miles away.
Can you swim at Tomales Bay State Park?
There is no fixed answer for Tomales Bay State Park: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Tomales Bay State Park in Inverness, California. Check current water conditions before you go, and follow posted signs and local guidance.
How is Tomales Bay State Park rated?
Tomales Bay State Park in Inverness, California has an average visitor rating of 4.7 out of 5, based on 347 reviews.

Visitor Reviews

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Been here? A quick note helps the next visitor plan their day. Handy things to mention:

Water temperatureCrowds & parkingBest time to goSafety & access

Best Times to Visit

🧥
Right Now
Cool weather - dress warmly
General Tips:
  • Weekday mornings (8–10 AM) are typically less crowded
  • Check the forecast 2–3 days ahead for best planning
  • Avoid holiday weekends for a quieter experience
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

1100 Pierce Point Rd, Inverness, CA 94937

Inverness, California 94937

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Highlights

Picnics

Accessibility

Wheelchair accessible entranceWheelchair accessible parking lot

Amenities

🍖 Barbecue grill🧺 Picnic tables🚻 Public restroom

Family & Children

👶 Good for kids👶 Kid-friendly hikes