Gualala Rivermouth surfForecast / CAL – Mendocino County / USA

information circle16 Day Weather and Surf, issued 4 am Wednesday 29 Apr 2026 PDT
Forecast update in hr  min  s Forecast update imminent
Gualala Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gualala Rivermouth sea temperature is
12.2° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Gualala Rivermouth this week:

The surf forecast for Gualala Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (May 03) at 8AM. The primary swell is predicted to be 0.6m and 18s period with a secondary swell of 1.3m and 8s. Another secondary swell of 0.8m and 11s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Gualala Rivermouth in the next 16 days are 1.6m 14s and forecast to arrive on Monday (May 04) at 5AM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Sun 3rd May)2ft (0.6m) 18s
Best Surf 5AM (Mon 4th May)5ft (1.6m) 14s
Most Powerful 5AM (Mon 4th May)5ft (1.6m) 14s

Table - best surf conditions forecast for Gualala Rivermouth over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 16°C on Fri afternoon, min 9°C on Wed night). Mainly fresh winds.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 14°C on Sat afternoon, min 10°C on Sun night). Wind will be generally light.

Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
1
1
0
2
0
0
0
0
0
2
2
1
3
3
2
3
2
1
3
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
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<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.6
WNW
18
0.8
WNW
16
0.9
WNW
14
1.9
NW
8
1
WNW
13
2.3
NW
8
1.8
NW
9
2.1
NW
9
2.1
NW
9
1.2
WNW
12
2
NW
9
2
NW
9
0.8
WNW
17
1
WNW
16
1.3
WNW
14
1.6
WNW
14
1.4
WNW
13
1.3
WNW
13
1.1
WNW
12
1.1
WNW
12
1
WNW
12
Wave Graph
Metric surfscale
Energy kJ
207
326
367
424
357
736
460
702
702
378
664
626
333
487
732
969
690
587
353
322
252
Wind (km/h)
20
NW
30
NW
15
NNW
15
NW
30
NW
20
NNW
25
NW
35
NW
25
NNW
25
NW
25
NW
10
NW
10
SW
15
WSW
5
E
5
SSW
10
W
5
NNE
5
WSW
10
WNW
10
NNE
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
glassy
cross
on
glassy
cross-on
on
cross-off
High Tide
10:44AM1.81m
10:20PM2.24m
11:34AM1.80m
10:46PM2.26m
12:21PM1.79m
11:14PM2.26m
1:08PM1.77m
11:44PM2.25m
1:56PM1.74m
00:16AM2.21m
2:48PM1.70m
00:51AM2.15m
3:46PM1.66m
1:28AM2.08m
Low Tide
4:09PM0.96m
5:11AM0.42m
4:43PM1.08m
5:48AM0.33m
5:15PM1.18m
6:24AM0.28m
5:49PM1.27m
7:03AM0.28m
6:22PM1.35m
7:44AM0.31m
6:58PM1.41m
8:28AM0.37m
7:36PM1.47m
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:18
6:16
6:15
6:13
6:13
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:04
8:05
8:06
8:07
8:07
8:08
8:09
Temp °C
15
15
11
15
15
12
14
16
11
13
14
12
13
13
12
13
13
12
13
13
12
11
10
6
12
11
7
10
11
6
8
9
8
12
11
11
11
10
10
11
11
9
Swell 1
Height (m)
Direction
Period (s)
0.7
WNW
11
0.8
WNW
16
0.9
WNW
14
1.4
NW
8
1
WNW
13
1.7
NW
8
0.8
WNW
13
0.9
WNW
13
0.9
WNW
12
1.2
WNW
12
0.2
SSW
18
1.6
NW
9
1.3
WNW
9
1.3
WNW
9
1.3
WNW
14
1.6
WNW
14
1.4
WNW
13
1.3
WNW
13
1.1
WNW
12
1.1
WNW
12
1
WNW
12
Energy kJ
101
326
367
221
357
410
212
253
230
378
31
406
264
249
732
969
690
587
353
322
252
Swell 2
Height (m)
Direction
Period (s)
0.6
WNW
18
0.7
WNW
10
0.5
WNW
10
1
WNW
13
0.3
SW
14
0.8
WNW
13
0.3
SW
13
0.3
SW
13
0.3
SW
13
0.2
SSW
18
0.1
SW
12
0.7
WNW
11
0.8
WNW
17
1
WNW
16
0.9
NW
8
0.4
SSW
15
0.6
SSW
16
0.5
SW
16
0.7
SSW
14
0.7
SW
14
0.7
SW
15
Energy kJ
207
92
58
373
33
206
28
27
27
31
6
111
333
487
98
86
166
127
168
214
229
Swell 3
Height (m)
Direction
Period (s)
0.3
SW
16
0.3
SW
15
0.4
SW
15
0.4
SW
14
0.2
S
11
0.3
SW
14
0.2
S
10
0.1
S
10
0.2
S
12
0.3
SW
13
0.1
SW
14
0.3
WNW
19
0.7
WNW
11
0.4
SW
16
0.4
SSW
15
0.4
SW
18
0.3
S
10
0.4
SSW
13
0.5
SW
17
0.3
S
12
0.3
S
12
Energy kJ
38
35
75
74
9
29
8
2
11
28
8
72
103
66
84
81
18
70
148
25
25
Wind waves
Height (m)
Direction
Period (s)
1.2
NW
8
1.3
NW
8
1.4
NW
8
1.9
NW
8
1.5
NW
8
2.3
NW
8
1.8
NW
9
2.1
NW
9
2.1
NW
9
1.5
NW
8
2
NW
9
2
NW
9
Energy kJ
187
227
260
424
289
736
460
702
702
255
664
626
Nearest Offshore or Glassy
Rating
(10 max)
3
1
2
3
4
2
3
4
3
3
3
1
3
3
3
4
4
3
3
3
2
Distance (km)
9
152
252
45
78
252
45
78
252
45
252
597
18
0
33
0
3
3
0
33
13
Best forecast wave conditions in Mendocino County
Rating
(10 max)
3
4
3
3
3
3
3
4
4
4
4
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
3
2
2
4
4
2
4
4
3
4
3
3
3
4
4
4
4
4
3
3
3
Header Global
Rating
(10 max)
8
8
6
5
5
6
7
5
5
5
4
5
5
4
7
5
4
5
4
4
4
  • 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 Gualala Rivermouth Surf forecast

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

Gualala Rivermouth is 51 km (32 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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