The Rivermouth Surf Break

Lat Long: 36.96° N 122.02° W

The Rivermouth 48 hour detailed Surf Forecast

Issued: 4 am 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's The Rivermouth sea temperature is
16.5°C
1.8° 

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


How big are the waves at The Rivermouth today (25 Aug):

  • Morning surf: Morning surf (25 Aug, local time) - 2ft (0.6m), 17s period with SW swell.
  • Afternoon surf: Afternoon surf (25 Aug, local time) - 2ft (0.6m), 16s period with SSW swell.
  • Evening surf: Evening surf (25 Aug, local time) - 1.5ft (0.5m), 16s period with SW swell.

The current surf forecast for The Rivermouth at 8AM is: 0.6m 17s primary swell from a Southwest direction and 0.5m 13s secondary swell from a South direction (forecast issued at 04:00am August 25). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (PDT) & DateWave HeightWave Period
Morning (25 Aug)2ft (0.6m)17s
Afternoon (25 Aug)2ft (0.6m)16s
Evening (25 Aug)1.5ft (0.5m)16s

Table - waves today at The Rivermouth. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 29°C on Wed afternoon, min 17°C on Tue morning). Wind will be generally light.

Tuesday
25
Wednesday
26
Thursday
27
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
1
1
1
1
0
1
1
1
1
1
1
0
1
1
1
1
2
1
1
1
2
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SSW
17
0.6
SSW
17
0.6
SW
17
0.6
SSW
16
0.6
SSW
16
0.5
SW
16
0.5
SW
16
0.5
SW
16
0.5
SW
16
0.6
SSW
16
0.6
SSW
16
0.6
SSW
16
0.6
SSW
16
0.6
SSW
16
0.6
SSW
16
0.7
S
12
0.6
SSW
15
0.6
SSW
15
0.5
SW
15
0.5
SW
15
0.4
SSW
19
0.4
SSW
18
1.3
WNW
7
1.3
WNW
7
Wave Graph
Metric surfscale
Energy kJ
190
186
222
181
179
130
127
124
124
169
169
169
169
171
168
151
146
144
104
133
137
131
154
155
Wind (km/h)
5
NNE
5
NNW
5
N
5
W
10
W
5
W
5
NNE
5
NNW
5
NNE
5
N
0
N
5
W
10
W
5
WNW
5
N
5
N
5
NNE
5
NNW
0
NNE
10
W
5
WNW
5
NW
15
NNW
10
NE
Wind State
glassy
glassy
glassy
glassy
cross
glassy
glassy
glassy
glassy
glassy
glassy
cross
cross
glassy
glassy
glassy
glassy
glassy
glassy
cross
glassy
cross-off
cross-off
cross-off
High Tide
11:04AM1.28m
9:08PM1.62m
11:20AM1.29m
9:49PM1.61m
11:36AM1.32m
10:29PM1.57m
Low Tide
3:42AM-0.03m
3:32PM0.85m
4:12AM-0.07m
4:05PM0.75m
4:38AM-0.07m
4:37PM0.64m
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:33
6:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:45
7:45
7:44
 mm
Temp °C
15
15
17
22
26
26
21
19
18
19
20
25
28
29
22
20
19
19
20
26
27
27
24
20
Feels °C
15
15
17
22
25
26
21
19
17
18
20
23
26
28
21
19
18
19
21
25
27
26
22
18
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our The Rivermouth surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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