Surf Break

Lat Long: 36.96° N 122.02° W

The Rivermouth 48 hour detailed Surf Forecast

Issued: 10 am 28 Sep 2026 (local time)

Forecast update in  hr  min

Today's The Rivermouth sea temperature is
16.0°C
0.9° 

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 (28 Sep):

  • Morning surf: Morning surf (28 Sep, local time) - 4ft (1.2m), 8s period with WNW swell.
  • Afternoon surf: Afternoon surf (28 Sep, local time) - 4.5ft (1.3m), 8s period with WNW swell.
  • Evening surf: Evening surf (28 Sep, local time) - 5ft (1.5m), 9s period with WNW swell.

The current surf forecast for The Rivermouth at 3PM is: 1.3m 8s primary swell from a West-northwest direction and 0.6m 12s secondary swell from a South direction, 0.5m 16s secondary swell from a Southwest direction (forecast issued at 10:00am September 28). The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (28 Sep)4ft (1.2m)8s
Afternoon (28 Sep)4.5ft (1.3m)8s
Evening (28 Sep)5ft (1.5m)9s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Tue afternoon, min 12°C on Mon morning). Wind will be generally light.

Monday
28
Tuesday
29
Wednesday
30
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)
2
2
1
2
2
2
2
2
2
1
1
2
2
2
2
2
2
2
0
1
2
2
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)
0.6
SW
16
1.3
WNW
8
1.3
WNW
8
1.5
WNW
8
1.5
WNW
9
1.4
WNW
9
1.6
WNW
9
1.6
WNW
9
1.6
WNW
9
1.3
WNW
9
1.4
WNW
9
1.7
WNW
10
1.7
WNW
10
1.9
WNW
10
1.9
WNW
10
1.8
WNW
9
1.7
WNW
9
1.6
WNW
9
1.6
WNW
9
1.6
WNW
9
1.6
WNW
9
1.7
WNW
9
Wave Graph
Metric surfscale
Energy kJ
208
207
243
302
331
297
364
372
389
273
286
567
555
683
669
554
480
407
415
424
424
475
Wind (km/h)
0
N
5
SW
10
WSW
10
NW
5
NNE
5
ENE
5
WNW
5
E
5
ENE
5
W
10
W
5
NW
5
ENE
5
ENE
0
ENE
5
E
5
E
5
SSW
10
SW
5
SW
5
ESE
5
ESE
Wind State
glassy
glassy
cross-on
cross-off
glassy
glassy
glassy
glassy
glassy
cross
cross
cross-off
glassy
glassy
glassy
glassy
glassy
glassy
cross-on
cross-on
glassy
glassy
High Tide
11:45AM1.68m
00:57AM1.28m
12:17PM1.74m
2:01AM1.21m
12:56PM1.77m
Low Tide
5:16AM0.48m
6:09PM-0.03m
5:46AM0.65m
6:56PM-0.07m
6:20AM0.81m
7:51PM-0.07m
clear
clear
clear
clear
clear
clear
clear
clear
clear
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>
7:00
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7:01
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7:01
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—
—
—
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
6:55
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—
—
—
—
—
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6:53
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—
—
—
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6:52
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 mm
—
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Temp °C
12
16
20
22
16
15
14
14
15
22
25
25
18
17
16
15
16
21
23
22
17
16
Feels °C
12
16
18
20
15
15
13
14
14
21
23
24
18
17
16
15
15
21
22
22
18
16
  • 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 

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