Surf Forecasts:
Stinson Beach surf forecast from 17 Jul 2026:
- Best quality surf: Monday 20 Jul, 11PM (local time) - 2.5ft (0.8m), 16s period, SW swell with glassy winds.
- Most powerful swell: Tuesday 21 Jul, 11PM (local time) - 7.5ft (2.3m), 11s period, SSW swell with 1,256 kJ wave energy.
- Next surfable swell (1★+): Monday 20 Jul, 11PM (local time) - 2.5ft (0.8m), 16s period with SW swell.
Best Forecast Surf Conditions for Stinson Beach this week:
The surf forecast for Stinson Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jul 20) at 11PM. The primary swell is predicted to be 0.8m and 16s period with a secondary swell of 0.8m and 13s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Stinson Beach in the next 16 days are 2.3m 11s and forecast to arrive on Tuesday (Jul 21) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Mon 20th Jul) | 2.5ft (0.8m) 16s |
| Best Surf | 11PM (Mon 20th Jul) | 2.5ft (0.8m) 16s |
| Most Powerful | 11PM (Tue 21st Jul) | 7.5ft (2.3m) 11s |
Table - best surf conditions forecast for Stinson Beach over the next 16 days.
The Lowdown
Alright, Rusty here, switching to the old-school numbers.
Stinson Beach. The water is way warmer than normal, clocking in at 62°F, which is about 6°F above average. That’s a real oddity. But the surf? It’s a long wait for anything good.
The first week is grim. Friday, July 17th, we’ve got 5ft of WNW swell with a short 8-second period. The wind is cross-on at 9 mph, making it a choppy mess. The wave energy is moderate at 652. Not a single wave worth paddling for.
Saturday, July 18th, the swell drops to 2ft but with a very long 17-second period. Wind is light onshore, but still poor. This pattern of tiny, long-period swell and onshore wind sticks around all week. Sunday, Monday, Tuesday… all poor or marginal. The energy is moderate, but the quality is non-existent.
The second week doesn’t start much better. Saturday, July 25th, has a slight bump in energy to 949, but the swell is still only 3ft with a 21-second period and cross-onshore wind. Tuesday, July 29th, the energy jumps to 1391, but again, it’s 4ft, a 16-second period, and the wind is too strong.
Then, like a gift, comes Thursday, July 30th, in the morning. The wind drops to 3 mph from the W, and it’s glassy. The swell is 5ft from the WNW, with a period of 9 seconds. The wave energy is 819. The call is for “very good surf conditions”. This is the only window. It’s clean, it’s rideable, and the crowds will be there if the word gets out. The rest of the week, from Friday morning on, goes right back to small, poor, and choppy.
So, the takeaway is a long dry spell until that Thursday morning, July 30th. That’s your one shot. Don’t waste it.
Rusty.
Short Range ForecastMostly dry. Very mild (max 16°C on Sun afternoon, min 11°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 24°C on Tue morning, min 13°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | WNW 8 | WNW 8 | W 16 | SW 17 | W 16 | W 16 | SW 16 | SW 17 | SW 16 | SW 16 | SSW 13 | SW 16 | SSW 14 | SSW 13 | SSW 10 | SSW 8 | SW 14 | SW 14 | SW 14 | SW 14 | SW 26 |
Wave Graph  | |||||||||||||||||||||
 kJ | 257 | 263 | 188 | 243 | 258 | 174 | 167 | 297 | 264 | 248 | 290 | 299 | 529 | 690 | 973 | 256 | 194 | 208 | 211 | 206 | 329 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | on | on | glassy | cross-on | on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross |
High Tide | 3:20PM1.18m | 2:29AM1.20m | 3:59PM1.20m | 3:28AM1.05m | 4:38PM1.22m | 4:36AM0.91m | 5:18PM1.23m | 6:02AM0.80m | 6:00PM1.23m | 7:47AM0.77m | 6:45PM1.23m | 9:22AM0.80m | 7:32PM1.24m | ||||||||
Low Tide | 9:00AM-0.15m | 9:22PM0.39m | 9:42AM-0.03m | 10:26PM0.35m | 10:24AM0.11m | 11:33PM0.30m | 11:09AM0.24m | 00:42AM0.24m | 11:57AM0.37m | 1:50AM0.17m | 12:54PM0.49m | 2:52AM0.11m | 1:58PM0.56m | 3:47AM0.05m | |||||||
 | |  |  | | | | |  | | |  | | | |  | | | | | | |
 | 6:01 | — | — | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — | 6:05 | — | — |
 | — | 8:30 | — | — | 8:30 | — | — | 8:30 | — | — | 8:29 | — | — | 8:29 | — | — | 8:28 | — | — | 8:27 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 12 | 15 | 15 | 12 | 15 | 16 | 14 | 16 | 17 | 18 | 24 | 24 | 17 | 16 | 17 | 16 | 16 | 17 | 13 |
Feels °C | 13 | 12 | 8 | 14 | 13 | 9 | 14 | 14 | 13 | 16 | 15 | 18 | 23 | 22 | 14 | 15 | 16 | 15 | 15 | 14 | 9 |
Swell 1 Height (m) Direction Period (s) | W 17 | W 17 | WNW 7 | WNW 7 | W 16 | WNW 7 | WNW 8 | WNW 8 | WNW 9 | NW 8 | SSW 13 | S 12 | SSW 14 | SSW 13 | SW 15 | SSW 8 | SSW 8 | SW 14 | SW 14 | SW 14 | SSW 13 |
| kJ | 211 | 214 | 167 | 125 | 243 | 84 | 116 | 111 | 94 | 74 | 290 | 199 | 529 | 690 | 174 | 256 | 170 | 208 | 211 | 206 | 204 |
Swell 2 Height (m) Direction Period (s) | SW 19 | SW 14 | W 16 | W 16 | SW 18 | W 16 | W 15 | SW 17 | SW 16 | S 12 | WNW 8 | SW 16 | NW 8 | NW 9 | NW 8 | SW 16 | SW 14 | S 7 | WNW 11 | SW 26 | SW 26 |
| kJ | 130 | 54 | 188 | 181 | 258 | 174 | 167 | 297 | 264 | 151 | 62 | 299 | 34 | 27 | 10 | 245 | 194 | 27 | 22 | 106 | 329 |
Swell 3 Height (m) Direction Period (s) | SW 14 | SW 19 | SW 14 | SW 17 | SW 13 | WNW 10 | SW 16 | W 15 | S 13 | SW 16 | SW 16 | WNW 8 | W 13 | W 13 | W 13 | W 12 | WNW 12 | SW 19 | S 7 | S 7 | WNW 10 |
| kJ | 54 | 88 | 72 | 243 | 44 | 38 | 167 | 109 | 89 | 248 | 251 | 46 | 30 | 30 | 28 | 26 | 28 | 58 | 9 | 4 | 20 |
Wind waves Height (m) Direction Period (s) | WNW 8 | WNW 8 | — | — | WNW 7 | — | — | — | — | — | — | — | — | S 4 | SSW 10 | — | — | W 6 | W 5 | WNW 5 | WNW 6 |
| kJ | 257 | 263 | — | — | 101 | — | — | — | — | — | — | — | — | 29 | 973 | — | — | 56 | 34 | 90 | 170 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 18 | 119 | 48 | 18 | 119 | 4 | 18 | 265 | 18 | 4 | 86 | 0 | 12 | 35 | 18 | 35 | 120 | 57 | 4 | 118 | 18 |
Best forecast wave conditions in Marin County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Stinson Beach Surf forecast
The above surf forecast table for Stinson Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Stinson Beach can be found by selecting the local surf guide option on the grey menu. Our Stinson Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Stinson Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Stinson Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Stinson Beach is 10 km (6 miles) from the city of Corte Madera. If you plan a vacation in Marin County, look for hotels and other accommodation in Corte Madera. Corte Madera has rooms for a wide range of budgets as well as car hire and transport links.
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