The Rivermouth Surf Break

Lat Long: 36.96° N 122.02° W

The Rivermouth 48 hour detailed Surf Forecast

Issued: 4 am 27 Aug 2026 (local time)

Forecast update in  hr  min

Today's The Rivermouth sea temperature is
16.8°C
2.1° 

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 (27 Aug):

  • Morning surf: Morning surf (27 Aug, local time) - 1.5ft (0.5m), 15s period with SW swell.
  • Afternoon surf: Afternoon surf (27 Aug, local time) - 4ft (1.2m), 7s period with WNW swell.
  • Evening surf: Evening surf (27 Aug, local time) - 4ft (1.2m), 7s period with WNW swell.

The current surf forecast for The Rivermouth at 12PM is: 0.5m 14s primary swell from a Southwest direction and 0.6m 11s secondary swell from a South direction, 1.0m 7s secondary swell from a West-northwest direction (forecast issued at 04:00am August 27). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (27 Aug)1.5ft (0.5m)15s
Afternoon (27 Aug)4ft (1.2m)7s
Evening (27 Aug)4ft (1.2m)7s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Thu morning, min 13°C on Sat night). Wind will be generally light.

Thursday
27
Friday
28
Saturday
29
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
0
2
2
1
0
1
2
2
2
2
1
2
2
2
2
3
2
1
1
2
2
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)
0.7
S
12
0.6
SSW
15
0.5
SW
15
0.5
SW
15
1.2
WNW
7
1.3
WNW
6
1.2
WNW
7
0.6
SSW
14
0.7
SSW
14
0.7
SSW
16
0.7
SSW
17
0.8
SSW
17
0.6
SSW
19
0.7
SSW
19
0.8
SSW
19
0.8
SSW
19
0.9
SSW
18
1.1
SSW
18
1.2
SSW
18
1.2
SSW
18
1.1
SSW
17
1
SSW
16
1.1
SSW
16
1.2
SSW
16
Wave Graph
Metric surfscale
Energy kJ
144
144
104
104
137
131
120
138
183
234
258
336
286
387
424
450
486
705
877
823
681
505
590
688
Wind (km/h)
5
N
5
NNW
0
NW
5
W
5
WSW
5
NE
5
ENE
5
W
0
NW
5
NW
5
NW
5
NW
5
W
10
W
5
N
0
N
5
NNW
0
NNW
0
NNW
5
WSW
10
W
20
WNW
15
NW
5
NW
Wind State
glassy
glassy
glassy
cross
glassy
glassy
glassy
cross
glassy
glassy
cross-off
glassy
glassy
cross
glassy
glassy
glassy
glassy
glassy
cross-on
cross
cross-off
cross-off
cross-off
High Tide
11:36AM1.32m
10:29PM1.57m
11:54AM1.36m
11:10PM1.51m
12:15PM1.43m
Low Tide
4:38AM-0.07m
4:37PM0.64m
5:03AM-0.03m
5:11PM0.53m
5:28AM0.06m
5:47PM0.43m
clear
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:35
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:44
7:42
7:40
 mm
Temp °C
18
18
19
25
24
22
19
19
19
18
18
18
20
23
18
16
15
14
14
19
23
24
18
15
Feels °C
17
18
19
24
25
22
20
18
19
17
17
18
20
22
18
16
14
14
14
19
21
20
16
14
  • 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.


Nearest locationNearest