Chadbourne Gulch Surf Break

Lat Long: 39.61° N 123.79° W

Chadbourne Gulch Surf Forecast and Surf Report

Issued: 4 pm 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Chadbourne Gulch sea temperature is
13.0° C
1.3° 

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 18 Aug 2026:

  • Best quality surf: Wednesday 19 Aug, 5AM (local time) - 6ft (1.9m), 7s period, NW swell with glassy winds.
  • Most powerful swell: Wednesday 19 Aug, 8PM (local time) - 6.5ft (2.0m), 8s period, NW swell with 435 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 18 Aug, 5AM (local time) - 2.5ft (0.8m), 14s 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 Tuesday (Aug 18) at 5AM. The primary swell is predicted to be 0.8m and 14s period with a secondary swell of 1.1m 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 2.0m 8s and forecast to arrive on Wednesday (Aug 19) at 8PM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Tue 18th Aug)2.5ft (0.8m) 14s
Best Surf 5AM (Wed 19th Aug)6ft (1.9m) 7s
Most Powerful 8PM (Wed 19th Aug)6.5ft (2.0m) 8s

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


The Lowdown

Alright, Rusty here, let's have a look at what's shaping up for Chadbourne Gulch over the next couple of weeks.

Alright, let's be straight with you. The next 16 days are a bit of a mixed bag for Chadbourne Gulch. We've got some swell around, but a lot of it comes with a cross-onshore wind that's just gonna mess things up. The water's sitting at about 55°, which is a bit colder than usual for this time of year.

We kick off on Monday the 17th with a bit of a nothing burger – a 3 ft SSW swell with a long 15-second period, but the wind's onshore and the conditions are just marginal. Tuesday the 18th is much the same story, with a light cross-onshore breeze messing with the surface. Wednesday the 19th is frustrating; we get a little bump in size in the afternoon to 6 ft, but it's from the NW with a short 7-second period and the wind is still cross-onshore. The energy is moderate at 842, but the quality just isn't there.

Thursday the 20th through to Saturday the 22nd morning is more of the same: small swell, cross-onshore wind. It's a real grind. The combined swell energy is in the moderate range, between 288 and 598, but it doesn't matter when the wind's junk.

Now, Saturday the 22nd afternoon is our first real standout. The wind goes glassy, and we get a 6 ft NW swell. The period is a short 7 seconds, so it'll be a bit bumpy and won't have the power of a groundswell, but with the glassy conditions, it'll be clean. It's on the bigger side, so maybe not one for the beginners, but for the experienced crew, that's the session to circle.

Sunday the 23rd stays on the bigger side with 5 ft to 5 ft NW swell and offshore wind, so the morning could be pretty fun. Then we get a lull. Monday the 24th through to Wednesday the 27th morning is pretty poor – tiny swells or onshore junk.

Thursday the 27th afternoon is a bit of a weird one. We get a 7 ft NW swell, but it's a short-period 7-second wave with a moderate 16 mph cross-onshore wind. That's going to be a choppy, blown-out mess. Honestly, with that wind and the short-period swell, this setup looks more interesting for kite surfing than paddle surfing.

The tail end of the forecast gets interesting. Sunday the 30th afternoon is another standout. The wind goes glassy again, and we get a clean 4 ft SSW swell with a long 16-second period. That long period means better shaped waves and more energy, and the combined energy is a strong 856. That's a classic long-period groundswell, best for a point or reef, but with glassy conditions, it's going to be a beauty.

Monday the 1st of September has a bit more size in the afternoon with a 8 ft NW swell, but again, a short period and cross-onshore wind. It's just not clean.

So, to wrap it up: the best bets are Saturday the 22nd afternoon for the glassy conditions and a bit of size, and Sunday the 30th afternoon for the clean, long-period groundswell. Everything else is a bit of a write-off, with too much cross-onshore wind or just small, weak swell. It's not a classic run for this spot, but those two windows are worth keeping an eye on.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 19°C on Mon afternoon, min 13°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 19°C on Sun morning, min 13°C on Thu night). Wind will be generally light.

Mon
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
1
2
3
2
2
3
2
2
3
1
0
2
1
2
2
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
15
0.8
SSW
15
0.8
SSW
14
0.9
SSW
16
0.8
SSW
16
0.9
SSW
15
0.9
SSW
15
0.9
SSW
15
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.6
SSW
14
0.4
SW
18
1.3
NW
6
1.1
NW
6
1.8
NW
7
1.7
NW
8
1.6
NW
9
1.5
NW
9
1.2
NW
8
Wave Graph
Metric surfscale
Energy kJ
334
272
239
348
291
305
309
314
237
226
236
156
115
136
104
331
373
412
328
187
Wind (km/h)
10
WNW
5
NW
5
WNW
5
W
5
NNW
10
WNW
5
WNW
5
N
10
WNW
10
WNW
5
NW
10
WNW
10
NW
5
NNE
10
WNW
5
WNW
0
E
5
W
5
WNW
0
NNW
Wind State
on
cross-on
cross-on
on
glassy
cross-on
cross-on
glassy
cross-on
cross-on
glassy
on
cross-on
glassy
cross-on
glassy
glassy
on
on
glassy
High Tide
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
9:55AM1.18m
7:44PM1.64m
10:31AM1.23m
8:38PM1.69m
Low Tide
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
1:22PM1.01m
3:10AM0.12m
2:24PM0.97m
3:51AM0.05m
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clear
clear
part cloud
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clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:30
6:31
6:31
6:33
6:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:07
8:07
8:06
8:04
8:02
8:00
8:00
 mm
Temp °C
19
13
17
17
16
18
19
14
17
18
14
17
16
13
17
18
16
19
19
15
Feels °C
18
13
16
15
17
17
18
14
16
17
14
16
14
13
15
17
16
18
18
15
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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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