58°
Partly Sunny
0%
54
Marin County, CA · Pacific Ocean
Stinson Beach
Hwy 1, Stinson Beach, CA 94970
A 3.5-mile crescent in Marin County, half an hour over the headlands from the Golden Gate. One of the few northern California beaches actually swimmable in summer (relatively — water is still 55-60°F), with lifeguards Memorial Day – mid-September. Mount Tamalpais looms behind.
Today's Conditions
Great day for a beach walk.
58°F air · 57°F water
Full NWS forecast for This Afternoon
Partly sunny. High near 58, with temperatures falling to around 56 in the afternoon. West wind around 7 mph.
Tonight
Patchy fog after 3am. Mostly cloudy. Low around 51, with temperatures rising to around 53 overnight. West northwest wind 2 to 7 mph.
Weather
- 58°F air — chilly for a beach day
- Sunny skies — clear conditions
Water
- 57°F water — cold — wetsuit or stay dry
48 /100
ok
36 Swim
51 Sunbathe
72 Walk
71 Photo
Best for walking today
Atmosphere
Air Temp
58°F
Partly Sunny
Wind
7 mph
W
Rain
0%
This Afternoon
UV Peak
9 Very High
High 11 AM–04 PM · burn in ~22m
Burn-free before 09 AM & after 06 PM
Tomorrow
58°F
Patchy Fog then Mostly Cloudy
Water
Water Temp
57°F
Cold
Next Low Tide
9:11 PM
2.1 ft · in 3m
Barometer
30.05 inHg
1018 hPa
Water Quality
Clean
20 MPN/100mL · Total Coliform
USGS · sampled 8mo ago
Rip Current Risk · Regional Reference
No zone-specific NWS forecast for this beach (CAZ502)
The MTR office's Surf Zone Forecast doesn't cover this beach's forecast zone directly. Nearby coastal zones it does cover are listed below — regional reference only, not a substitute for the conditions at this specific beach.
- CAZ505 SONOMA AND MARIN COUNTY COASTAL AREAS n/a
- CAZ509 SAN FRANCISCO AND SAN MATEO COUNTY COASTAL AREAS n/a
- CAZ529 SANTA CRUZ COUNTY COASTAL AREAS n/a
- CAZ530 MONTEREY BAY AND BIG SUR COASTAL AREAS n/a
Sun & Moon
Sunrise
9:02 AM
Sunset
11:30 PM
Moon · 18%
Waxing Crescent
Neap tides — smaller range
Tides
| Time | Type | Height |
|---|---|---|
| 1:46 AM | High | 5.6 ft |
| 8:33 AM | Low | -0.1 ft |
| 3:18 PM | High | 5.5 ft |
| 9:11 PM | Low | 2.1 ft |
| Time | Type | Height |
|---|---|---|
| 2:45 AM | High | 4.9 ft |
| 9:12 AM | Low | 0.6 ft |
| 4:00 PM | High | 5.6 ft |
| 10:23 PM | Low | 1.8 ft |
| Time | Type | Height |
|---|---|---|
| 3:55 AM | High | 4.1 ft |
| 9:52 AM | Low | 1.4 ft |
| 4:42 PM | High | 5.6 ft |
| 11:38 PM | Low | 1.5 ft |
| Time | Type | Height |
|---|---|---|
| 5:22 AM | High | 3.6 ft |
| 10:34 AM | Low | 2.1 ft |
| 5:25 PM | High | 5.7 ft |
| Time | Type | Height |
|---|---|---|
| 12:50 AM | Low | 1.1 ft |
| 7:06 AM | High | 3.4 ft |
| 11:21 AM | Low | 2.7 ft |
| 6:10 PM | High | 5.7 ft |
| Time | Type | Height |
|---|---|---|
| 1:54 AM | Low | 0.7 ft |
| 8:53 AM | High | 3.5 ft |
| 12:18 PM | Low | 3.1 ft |
| 6:58 PM | High | 5.7 ft |
| Time | Type | Height |
|---|---|---|
| 2:48 AM | Low | 0.3 ft |
| 10:03 AM | High | 3.8 ft |
| 1:23 PM | Low | 3.4 ft |
| 7:47 PM | High | 5.8 ft |
High/low predictions from NOAA station 9415020, refreshed on every build. Times shown local.
7-Day Beach Day Forecast
58°
Patchy Fog then Mostly Cloudy
2%
46
60°
Patchy Fog then Mostly Cloudy
0%
50
67°
Mostly Cloudy
5%
58
66°
Partly Sunny
1%
63
64°
Partly Sunny
0%
59
63°
Partly Sunny
0%
57
What to Bring Today
- critical SPF 50 sunscreen UV index 9 — very high
- critical Wetsuit (if swimming at all) Water is 57°F — dangerously cold
- recommended Layers / windbreaker Only 58°F outside
Always remember water bottle, trash bag (leave no trace).
Beach Info
Parking
Free National Park Service lot; fills early on warm Saturdays.
Dogs
Dogs prohibited on the main beach. Upton Beach (north end) allows dogs.
Entry Fee
Free
Address
Hwy 1, Stinson Beach, CA 94970
Amenities
Frequently Asked
Is it safe to swim at Stinson Beach today?
Stinson Beach shows a live water-quality reading (bacteria levels) and today's swim-safety score at the top of this page, refreshed on every update. Seasonal lifeguards patrol the swim area in summer — follow their flags. Always review the current advisories, surf, and rip-current notes before getting in the water.
Is Stinson Beach dog-friendly?
Dogs prohibited on the main beach. Upton Beach (north end) allows dogs.
Is there an entry fee at Stinson Beach?
Entry to Stinson Beach is free.
Are there lifeguards at Stinson Beach?
Yes. Seasonal lifeguards patrol Stinson Beach during the summer swim season (typically Memorial Day through Labor Day). Outside that window, swim at your own risk.
What amenities are at Stinson Beach?
Amenities at Stinson Beach include lifeguards, restrooms, showers, snack bar, volleyball.
When is the water warmest at Stinson Beach?
The Pacific is cold. Southern California (San Diego to Santa Barbara) peaks in August at 65-72°F. Central and Northern California stay in the upper 50s to low 60s year-round. Oregon and Washington rarely exceed 60°F. Wetsuits are common.
Where is Stinson Beach located?
Stinson Beach is in Marin County, CA, at Hwy 1, Stinson Beach, CA 94970.
Nearby Beaches
Updated · Data from NOAA, NWS