The Rivermouth Surf Break

Lat Long: 36.96° N 122.02° W

The Rivermouth 48 hour detailed Surf Forecast

Issued: 4 pm 04 Aug 2026 (local time)

Forecast update in  hr  min

Today's The Rivermouth sea temperature is
14.6° C
0.1° 

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 (04 Aug):

  • Afternoon surf: Afternoon surf (04 Aug, local time) - 3.5ft (1.0m), 9s period with WNW swell.
  • Evening surf: Evening surf (04 Aug, local time) - 3ft (0.9m), 8s period with WNW swell.

The current surf forecast for The Rivermouth at 8PM is: 0.9m 8s primary swell from a West-northwest direction and 0.4m 12s secondary swell from a Southwest direction (forecast issued at 04:00pm August 04). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (04 Aug)--
Afternoon (04 Aug)3.5ft (1.0m)9s
Evening (04 Aug)3ft (0.9m)8s

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


Short Range Forecast

Mostly dry. Warm (max 23°C on Fri morning, min 13°C on Tue night). Wind will be generally light.

Tue
4
Wednesday
5
Thursday
6
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)
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
WNW
9
0.9
WNW
8
0.9
WNW
8
0.9
WNW
8
0.9
WNW
8
0.5
SW
14
0.8
WNW
8
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.5
SW
14
0.5
SW
14
0.4
SW
14
0.5
SW
13
0.5
SW
13
0.5
SW
13
0.5
SW
13
0.5
SW
13
0.5
SW
13
Wave Graph
Metric surfscale
Energy kJ
144
125
96
96
96
99
73
72
72
72
71
97
95
53
79
84
84
84
84
84
Wind (km/h)
15
SSW
10
SSW
10
SSW
5
SSE
5
SSE
5
SSW
5
S
10
SSW
15
SSW
10
SW
5
SSW
0
SSW
0
ESE
0
NNE
0
SSW
10
SW
10
SW
10
SW
5
SW
0
ESE
Wind State
on
on
cross-on
glassy
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross-on
glassy
glassy
glassy
glassy
cross-on
cross-on
cross-on
glassy
glassy
High Tide
3:08PM1.60m
3:51AM0.99m
3:50PM1.68m
5:58AM0.94m
4:42PM1.75m
Low Tide
9:45PM0.38m
8:31AM0.66m
11:01PM0.25m
9:18AM0.85m
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:12
8:10
8:09
 mm
Temp °C
19
19
16
14
14
13
14
19
20
20
16
15
14
14
16
21
22
22
18
16
Feels °C
18
18
15
14
14
13
14
18
18
19
16
16
14
15
16
20
21
21
19
17
  • 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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