Manchester Beach Surf Break

Lat Long: 38.98° N 123.71° W

Manchester Beach Surf Forecast and Surf Report

Issued: 10 am 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Manchester Beach sea temperature is
12.4° C
2.1° 

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


Manchester Beach surf forecast from 12 Aug 2026:

  • Best quality surf: Thursday 13 Aug, 8AM (local time) - 7.5ft (2.3m), 8s period, NW swell with cross-offshore winds.
  • Most powerful swell: Wednesday 12 Aug, 8PM (local time) - 8ft (2.5m), 8s period, NW swell with 886 kJ wave energy.
  • Next surfable swell (1★+): Thursday 13 Aug, 8AM (local time) - 7.5ft (2.3m), 8s period with NW swell.

Best Forecast Surf Conditions for Manchester Beach this week:

The surf forecast for Manchester Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 13) at 8AM. The primary swell is predicted to be 2.3m and 8s period with a secondary swell of 0.6m and 16s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Manchester Beach in the next 16 days are 2.5m 8s and forecast to arrive on Wednesday (Aug 12) at 8PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 7s period and expected on Sunday (Aug 16) at 2PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Thu 13th Aug)7.5ft (2.3m) 8s
Best Surf 8AM (Thu 13th Aug)7.5ft (2.3m) 8s
Most Powerful 8PM (Wed 12th Aug)8ft (2.5m) 8s

Table - best surf conditions forecast for Manchester Beach over the next 16 days.


The Lowdown

Alright, let me level with you. It's a pretty bleak run for Manchester Beach. We're looking at a solid stretch with very little to get excited about. The water is way colder than normal for this time of year, sitting at 54°F, which is over three and a half degrees colder than average, so factor that into your wetsuit choice.

Right from the start, Wednesday the 12th of August, there's a 8ft NW swell but with a short 8-second period and a light cross-onshore wind. The wave energy is moderate (938), but the quality is poor. It's borderline junky. Thursday the 13th is much the same story: 7ft NW, still a short period, and the wind goes cross-shore. Not clean.

Friday the 14th, the swell drops right off to 2ft, even though the period stretches out to 15 seconds from the SW. That long period means better shaped waves, but for a beach break like this, that long period groundswell tends to close out. The energy is weak (561).

Saturday the 15th and Sunday the 16th see a small 3ft to 4ft SSW swell with a long 16-17 second period. The wind stays light cross-onshore, so it's not totally blown out, but the wave comment calls it "marginal." Even the light wind can't fix the lack of size and the bumpy texture from that cross-onshore breeze.

From Monday the 17th right through the following weekend, it's just a long, flat, or weak run. Swell hangs around 3ft to 3ft, periods drop, and the wind is mostly onshore. The combined energy dips well below 500 for many of these sessions.

There is a slight pulse on Sunday the 23rd of August, with 5ft showing in the afternoon. But the period is a shocking 6 seconds – that's pure wind chop, and the wind is offshore but strong at 12 mph. It'll be messy.

The real hope, if you can call it that, comes from Monday the 24th of August into Tuesday the 25th. We get a bump of NW swell, hitting 7ft on Tuesday morning, with a period of 8 seconds. Combined energy is moderate to strong (825), and the wind is light offshore to start the day. That's the only window that looks even half-decent for a surf, and it's still a short-period, junky NW swell at a beach break. It's really only for the experienced crew – that size is pushing it for beginners.

Overall, there's no standout gem here. It's a gap of at least a week of mediocre, poor, or flat conditions. The best shot you've got is that Tuesday the 25th morning NW swell. If you're desperate, that's your window, but keep expectations low.

Rusty

Short Range Forecast

Mostly dry. Very mild (max 15°C on Wed morning, min 12°C on Wed morning). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 15°C on Sat morning, min 11°C on Sat night). Wind will be generally light.

Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
1
2
0
2
1
0
3
1
0
3
1
0
2
0
0
1
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.4
NW
8
2.3
NW
8
2.4
NW
8
2.2
NW
8
1.9
NW
8
1.7
NW
7
0.7
SW
15
0.6
SSW
19
0.8
SSW
18
1
SSW
17
0.9
SSW
16
1.1
SSW
16
1
SSW
16
1
SSW
16
1
SSW
15
1
SSW
15
0.9
SSW
15
0.9
SSW
14
1.8
NW
7
0.9
SSW
16
2.1
NW
8
Wave Graph
Metric surfscale
Energy kJ
765
701
728
634
470
309
223
277
360
608
380
627
519
463
405
405
334
330
309
357
499
Wind (km/h)
10
WNW
20
NW
10
NNW
10
SW
15
NW
0
NNE
10
WSW
10
NW
5
W
10
W
20
NNW
0
NNW
10
WNW
15
NNW
5
NNW
10
WNW
15
NW
15
NNW
20
NNW
25
NNW
25
NNW
Wind State
cross-on
on
on
cross
on
glassy
cross
on
glassy
cross-on
on
glassy
on
on
glassy
cross-on
on
cross-on
on
on
cross-on
High Tide
12:12PM1.52m
11:19PM2.07m
12:47PM1.60m
00:09AM1.95m
1:22PM1.67m
1:00AM1.79m
1:58PM1.71m
1:53AM1.60m
2:33PM1.73m
2:50AM1.40m
3:10PM1.71m
3:57AM1.23m
3:49PM1.68m
Low Tide
5:15PM0.62m
6:15AM-0.27m
6:09PM0.52m
6:53AM-0.14m
7:02PM0.45m
7:30AM0.03m
7:56PM0.39m
8:05AM0.23m
8:52PM0.36m
8:40AM0.44m
9:52PM0.34m
9:15AM0.63m
10:58PM0.32m
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<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:26
6:26
6:26
6:28
6:28
6:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:13
8:12
8:10
8:09
8:07
8:07
8:06
 mm
Temp °C
15
15
13
15
15
13
15
14
13
15
14
12
15
15
13
15
15
12
14
14
13
Feels °C
14
13
11
13
14
13
14
13
11
14
13
10
13
14
13
13
13
9
10
9
10
  • Map Icons:
  • Break
  • 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 Manchester Beach Surf forecast

The above surf forecast table for Manchester Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Manchester Beach can be found by selecting the local surf guide option on the grey menu. Our Manchester 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 (Manchester 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 Manchester 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.

Manchester Beach is 48 km (30 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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