Rainbow Rocks Surf Break

Lat Long: 42.07° N 124.32° W

Rainbow Rocks 48 hour detailed Surf Forecast

Issued: 4 pm 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Rainbow Rocks sea temperature is
14.2° C
0.1° 

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


How big are the waves at Rainbow Rocks today (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.8m), 14s period with SSW swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.7m), 14s period with SSW swell.
  • Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.7m), 10s period with WNW swell.

The current surf forecast for Rainbow Rocks at 1AM is: 0.8m 14s primary swell from a South-southwest direction and 0.9m 11s secondary swell from a West-northwest direction (forecast issued at 04:00pm August 20). The wind direction is predicted to be glassy and the swell rating is 2.

Time (PDT) & DateWave HeightWave Period
Morning (21 Aug)2.5ft (0.8m)14s
Afternoon (21 Aug)2.5ft (0.7m)14s
Evening (21 Aug)2.5ft (0.7m)10s

Table - waves today at Rainbow Rocks. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 18°C on Sun morning, min 12°C on Thu night). Wind will be generally light.

Thu
20
Friday
21
Saturday
22
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
3
2
2
2
2
2
1
1
1
2
2
2
2
2
1
1
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)
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
0.7
WNW
10
0.7
WNW
10
0.5
SSW
13
0.5
SSW
13
0.5
SSW
13
0.5
SSW
13
0.5
SSW
13
0.5
SSW
13
0.5
SSW
13
0.8
WNW
9
Wave Graph
Metric surfscale
Energy kJ
236
229
226
226
229
233
233
180
175
161
106
104
98
98
98
98
99
99
99
94
Wind (km/h)
10
WSW
5
W
0
ENE
0
E
5
ESE
5
ESE
5
SE
10
SW
10
SW
5
SW
5
S
5
ESE
10
ESE
10
E
10
ESE
10
S
10
SW
10
W
10
NNW
10
NNE
Wind State
cross-on
glassy
glassy
glassy
glassy
glassy
glassy
on
on
on
glassy
cross-off
cross-off
cross-off
cross-off
cross-on
on
cross-on
cross-off
cross-off
High Tide
5:48PM1.89m
8:46AM1.35m
6:52PM1.85m
9:57AM1.42m
8:00PM1.86m
Low Tide
11:24AM1.08m
1:36AM0.32m
12:39PM1.19m
2:44AM0.27m
2:04PM1.20m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:09
8:08
8:07
 mm
Temp °C
15
15
13
12
12
12
13
15
15
15
13
13
13
13
14
16
17
17
15
14
Feels °C
14
15
14
12
12
12
13
14
14
14
13
12
12
11
13
15
16
16
14
13
  • 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 Rainbow Rocks 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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