Chadbourne Gulch Surf Break

Lat Long: 39.61° N 123.79° W

Chadbourne Gulch Surf Forecast and Surf Report

Issued: 4 pm 15 Aug 2026 (local time)

Forecast update in  hr  min

Today's Chadbourne Gulch sea temperature is
12.7° C
1.5° 

Chadbourne Gulch surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Chadbourne Gulch surf forecast from 16 Aug 2026:

  • Best quality surf: Sunday 16 Aug, 2AM (local time) - 3.5ft (1.1m), 16s period, SSW swell with glassy winds.
  • Most powerful swell: Sunday 16 Aug, 2AM (local time) - 3.5ft (1.1m), 16s period, SSW swell with 627 kJ wave energy.
  • Next surfable swell (1★+): Sunday 16 Aug, 2AM (local time) - 3.5ft (1.1m), 16s period with SSW 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 Sunday (Aug 16) at 2AM. The primary swell is predicted to be 1.1m and 16s period with a secondary swell of 0.7m and 6s. 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 1.1m 16s and forecast to arrive on Sunday (Aug 16) at 2AM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sun 16th Aug)3.5ft (1.1m) 16s
Best Surf 2AM (Sun 16th Aug)3.5ft (1.1m) 16s
Most Powerful 2AM (Sun 16th Aug)3.5ft (1.1m) 16s

Table - best surf conditions forecast for Chadbourne Gulch over the next 16 days.


The Lowdown

Hey crew, Rusty here. Looking at the next couple weeks, it’s a slow start but there’s some real juice waiting for us at the end of the month if you can hang on.

The spot we’re watching is Chadbourne Gulch. It’s a beginner-friendly, fairly consistent spot that catches the swell. Water temp is about 55°F right now, which is a bit colder than average for this time of year.

Saturday 15th August starts us off with a 3ft SSW groundswell with a very long 16-second period. Wave energy is moderate (575), but a cross-on wind is messing things up, making for choppy, ripply conditions. Not a great start.

Sunday 16th is similar. The morning looks best with a light offshore wind from the west at 3 mph on a 4ft SSW swell. That offshore breeze will keep the surface clean. Afternoon sees the wind turn cross-on again.

Monday 17th and Tuesday 18th are tiny, with swell around 3ft. But Tuesday afternoon is a highlight. The wind goes glassy on a 3ft SSW swell with a long 16-second period and decent energy (620). For a few hours, it’ll be clean and the long-period sets will have some push. That’s the best the first week has to offer, but it’s still small.

A shift happens Wednesday 19th. A short-period NW windswell arrives, pushing to 7ft but with a weak 7-second period. Energy jumps (958), but the cross-on wind and awful period make for a bumpy, lumpy mess. No good here.

From there, we hit a dry spell in quality until Wednesday 26th August. That’s a full six days of marginal, mostly small waves with light cross-on breezes. Saturday 22nd and Sunday 23rd have some NW size again, but the period stays under 8 seconds, keeping it junky.

Now for the real standout. The end of the month is where it’s at.

Thursday 27th August is the big red flag. A strong NW swell builds to 12ft with a 9-second period, and the combined energy is massive at 1997. The wind is a light cross-on. This is heavy, powerful, and dangerous. The report says the swell is predicted to be too big for the break. This is strictly for experts only.

Friday 28th August is the pick of the entire forecast if you’ve got the skill. The NW swell holds at 12ft with a 9-second period, and energy peaks at a whopping 2442. The wind remains a light cross-on. This is raw, powerful ocean energy. For the experienced surfers, it’s going to be a grunty, heavy day. Don’t even think about it if you’re not ready.

Saturday 29th drops to 7ft from the NW, but still packs a punch (1273 energy). The morning is cross-on, but the afternoon turns offshore. That could clean things up for a solid, powerful session.

Sunday 30th finishes off with a still-chunky 6ft NW swell and a 9-second period, but energy drops to around 900. The morning is cross-on, but the afternoon goes offshore again.

So the story is clear: a long quiet spell followed by a serious pulse of NW swell in the last few days. This is more of a paddle surfer’s setup than a kiter’s, but only for the brave.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 19°C on Sun afternoon, min 12°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 19°C on Wed afternoon, min 12°C on Wed night). Wind will be generally light.

Sat
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
3
2
2
3
1
1
3
1
3
3
1
2
3
2
1
3
1
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
SSW
16
1.1
SSW
16
1.1
SSW
16
1
SSW
16
1
SSW
15
0.9
SSW
15
0.9
SSW
15
0.8
SSW
15
0.8
SSW
14
0.9
SSW
16
0.8
SSW
16
1.7
NW
8
2
NW
7
0.8
SSW
15
0.8
SSW
14
0.9
WNW
11
0.8
SSW
14
0.6
SSW
14
0.4
SW
18
1.3
NW
6
Wave Graph
Metric surfscale
Energy kJ
499
627
612
506
405
334
334
272
239
348
291
318
421
252
226
183
236
156
111
141
Wind (km/h)
10
WNW
0
NE
5
W
5
WNW
5
NW
5
WSW
10
WNW
5
NNW
10
WNW
5
WNW
5
NNE
10
NW
5
WNW
5
N
10
WNW
10
WNW
0
NNE
10
WNW
10
NW
5
NNW
Wind State
cross-on
glassy
on
cross-on
glassy
cross-on
on
glassy
on
glassy
glassy
cross-on
cross-on
glassy
on
cross-on
glassy
cross-on
cross-on
glassy
High Tide
2:09PM1.71m
2:04AM1.60m
2:44PM1.73m
3:01AM1.40m
3:21PM1.71m
4:08AM1.23m
4:00PM1.68m
5:33AM1.11m
4:46PM1.64m
7:20AM1.08m
5:40PM1.61m
8:57AM1.12m
6:42PM1.61m
Low Tide
7:55PM0.39m
8:04AM0.23m
8:51PM0.36m
8:39AM0.44m
9:51PM0.34m
9:14AM0.63m
10:57PM0.32m
9:54AM0.80m
00:08AM0.29m
10:46AM0.93m
1:19AM0.24m
12:02PM1.00m
2:20AM0.18m
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<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:28
6:28
6:30
6:31
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:10
8:09
8:07
8:07
8:06
8:04
8:02
 mm
Temp °C
16
14
18
19
16
16
17
12
17
18
14
17
19
14
16
16
13
16
16
13
Feels °C
15
14
18
18
16
15
16
12
16
17
13
15
17
15
15
14
14
15
14
13
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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