Surf Forecasts:
Chadbourne Gulch surf forecast from 25 Aug 2026:
- Best quality surf: Friday 28 Aug, 8PM (local time) - 3ft (0.9m), 19s period, SSW swell with glassy winds.
- Most powerful swell: Saturday 29 Aug, 11AM (local time) - 4ft (1.2m), 18s period, SSW swell with 887 kJ wave energy.
- Next surfable swell (1★+): Tuesday 25 Aug, 5AM (local time) - 2ft (0.6m), 17s period with SW swell.
Best Forecast Surf Conditions for Chadbourne Gulch this week:
The surf forecast for Chadbourne Gulch over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 25) at 5AM. The primary swell is predicted to be 0.6m and 17s period with a secondary swell of 0.6m and 7s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Chadbourne Gulch in the next 16 days are 1.2m 18s and forecast to arrive on Saturday (Aug 29) at 11AM. Winds are predicted to be onshore at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Tue 25th Aug) | 2ft (0.6m) 17s |
| Best Surf | 8PM (Fri 28th Aug) | 3ft (0.9m) 19s |
| Most Powerful | 11AM (Sat 29th Aug) | 4ft (1.2m) 18s |
Table - best surf conditions forecast for Chadbourne Gulch over the next 16 days.
The Lowdown
Hey, Rusty here. Let’s cut through the noise—Chadbourne Gulch has a long 16-day forecast ahead, and most of it is a bust. The first week and a half is filled with small, wind-affected swell that’s just not worth chasing. You’re looking at a big gap of poor conditions until we get closer to the second weekend.
Starting Tuesday, August 25th, it’s tiny—waves around 2 to 3 ft from the SW with a long 16-second period. Combined swell energy is weak (479), and a cross-onshore wind from the WNW at 6 mph keeps it messy. That pattern holds through Wednesday and Thursday: same small 2 ft swell, long period, and onshore breezes ruining any chance of clean surf. Water temp is about average for the season, nothing special.
Friday, August 28th shows a small bump: 3 to 3 ft from the SSW, period up to 19 seconds, and energy climbing to moderate (725). The wind goes offshore from the WNW Friday morning, so it’s clean, but the swell is still tiny and the conditions are marked as marginal. Saturday, August 29th is a bit better: waves hit 4 to 4 ft from the SSW at 18 seconds, with strong energy (1097). Offshore wind on Saturday morning again gives clean faces, but the forecast mentions “questionable tide conditions,” and scores remain low. It’s a frustrating tease.
The one real standout, the only time I’d tell you to grab your board, is on Sunday, September 6th in the afternoon. That’s about a week and a half out. We’ve got a solid 3 ft swell from the SSW at 15 seconds—decent groundswell—and combined energy is moderate (605). The wind goes glassy calm from the SW at just 3 mph. The report says “expect very good surf conditions.” That’s your window. It won’t be big, but clean 3 ft waves at this break will be fun on a longboard. This spot is fairly consistent, so even with the rough lead-up, that afternoon looks worth it. Crowds can show up sometimes, so expect a few others.
The next Tuesday, September 8th, has an oddball: the afternoon shows 7 ft swell from the NW at a short 7 seconds. The wind is glassy again, so it’ll look pretty on the surface, but that short period makes it jumbled and choppy. Over 5 ft, this is too big for beginners and only for experienced surfers, but the wave quality won’t be great.
Bottom line: save your energy for that glassy Sunday afternoon on September 6th. The rest is a write-off.
Rusty
Short Range ForecastMostly dry. Very mild (max 19°C on Wed morning, min 13°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 17°C on Fri morning, min 11°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | ||||||||||||||
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) | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SSW 16 | SSW 19 | SSW 19 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 235 | 326 | 214 | 206 | 203 | 201 | 183 | 134 | 171 | 167 | 347 | 560 | 402 | 887 | 742 | 627 | 724 | 519 | 405 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | glassy | on | cross-on | glassy | cross-on | cross-on | glassy | on | cross-on | glassy | on | cross-on | glassy | on | cross-on | glassy |
High Tide | 9:25PM1.75m | 11:23AM1.33m | 10:07PM1.80m | 11:46AM1.40m | 10:46PM1.81m | 12:09PM1.47m | 11:26PM1.79m | 12:33PM1.55m | 00:06AM1.74m | 12:58PM1.62m | 00:50AM1.65m | 1:25PM1.69m | 1:38AM1.53m | ||||||
Low Tide | 4:26AM0.01m | 3:55PM0.82m | 4:58AM-0.02m | 4:35PM0.73m | 5:27AM-0.01m | 5:15PM0.63m | 5:55AM0.02m | 5:56PM0.54m | 6:24AM0.10m | 6:38PM0.44m | 6:52AM0.21m | 7:24PM0.34m | |||||||
 |  | | | | | | | |  |  | | | | | | | | | |
 | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — |
 | — | — | 7:57 | — | — | 7:54 | — | — | 7:53 | — | — | 7:52 | — | — | 7:51 | — | — | 7:49 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 16 | 17 | 14 | 19 | 18 | 15 | 18 | 18 | 14 | 17 | 17 | 13 | 16 | 16 | 13 | 15 | 15 | 12 |
Feels °C | 13 | 15 | 15 | 13 | 18 | 16 | 16 | 17 | 16 | 13 | 15 | 15 | 13 | 14 | 14 | 13 | 14 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | NW 7 | SW 16 | SW 16 | NW 5 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | NW 9 | SSW 16 | SSW 19 | NW 7 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 |
| kJ | 57 | 326 | 214 | 23 | 203 | 201 | 183 | 134 | 171 | 75 | 347 | 560 | 183 | 887 | 742 | 627 | 724 | 519 | 405 |
Swell 2 Height (m) Direction Period (s) | SW 17 | S 13 | S 13 | SW 16 | W 13 | W 12 | W 7 | WNW 9 | S 12 | SW 14 | S 12 | S 11 | SSW 19 | S 10 | S 9 | S 10 | W 11 | W 11 | W 10 |
| kJ | 235 | 126 | 126 | 206 | 85 | 47 | 22 | 49 | 75 | 167 | 69 | 61 | 402 | 16 | 16 | 7 | 21 | 10 | 18 |
Swell 3 Height (m) Direction Period (s) | S 14 | NW 6 | W 16 | S 13 | S 12 | SSW 12 | W 12 | S 13 | W 12 | S 11 | SW 13 | SW 13 | SW 13 | — | — | W 12 | S 9 | S 9 | S 9 |
| kJ | 146 | 27 | 75 | 123 | 75 | 48 | 71 | 85 | 66 | 66 | 62 | 87 | 58 | — | — | 11 | 7 | 7 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | NW 6 | — | NW 5 | NW 5 | NW 5 | WNW 5 | NW 6 | WNW 6 | WNW 9 | NW 6 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 |
| kJ | — | — | 23 | — | 10 | 82 | 28 | 31 | 133 | 103 | 247 | 238 | 263 | 194 | 375 | 248 | 225 | 331 | 122 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 159 | 244 | 0 | 159 | 34 | 0 | 230 | 306 | 0 | 159 | 332 | 0 | 230 | 244 | 0 | 230 | 333 | 0 |
Best forecast wave conditions in Mendocino County | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Chadbourne Gulch Surf forecast
The above surf forecast table for Chadbourne Gulch provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Chadbourne Gulch can be found by selecting the local surf guide option on the grey menu. Our Chadbourne Gulch 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 (Chadbourne Gulch) 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 Chadbourne Gulch 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.
Chadbourne Gulch is 71 km (44 miles) from Ukiah. If you plan a vacation in Mendocino County, look for hotels and other accommodation in Ukiah. Ukiah has rooms for a wide range of budgets as well as car hire and transport links.
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