Avalanche surfForecast / Oregon South / USA

information circle16 Day Weather and Surf, issued 4 am Monday 25 May 2026 PDT
Forecast update in hr  min  s Forecast update imminent
Avalanche surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Avalanche sea temperature is
9.9° C
(Which is 2.7°C colder than average for this time of year)

Best Forecast Surf Conditions for Avalanche this week:

The surf forecast for Avalanche over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (May 26) at 2AM. The primary swell is predicted to be 4.5m and 14s period with a secondary swell of 0.6m and 15s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Avalanche in the next 16 days are 4.5m 14s and forecast to arrive on Tuesday (May 26) at 8AM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Tue 26th May)15ft (4.5m) 14s
Best Surf 2AM (Tue 26th May)15ft (4.5m) 14s
Most Powerful 8AM (Tue 26th May)15ft (4.5m) 14s

Table - best surf conditions forecast for Avalanche over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 14mm), heaviest on Mon afternoon. Very mild (max 13°C on Tue afternoon, min 9°C on Mon night). Winds decreasing (fresh winds from the SSW on Mon morning, calm by Tue morning).

Days 4-6 Weather Summary

Light rain (total 3mm), mostly falling on Fri morning. Very mild (max 14°C on Thu morning, min 8°C on Sat night). Wind will be generally light.

Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
2
9
8
0
4
3
1
3
3
0
4
3
2
4
1
0
3
1
0
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
WNW
12
3
WNW
12
4.5
WNW
14
4.5
WNW
14
4
WNW
13
3
WNW
11
2.5
WNW
10
2.4
NW
10
1.4
WNW
19
2.2
WNW
17
2.3
WNW
16
3
WNW
15
2.4
WNW
14
1.9
WNW
13
2.2
NW
13
1.9
NW
12
1.7
WNW
11
1.5
WNW
11
1.4
WNW
11
1.4
WNW
11
1.2
WNW
10
Wave Graph
Metric surfscale
Energy kJ
412
2735
7924
7867
4709
2145
1307
1028
1482
2662
2682
3348
2313
1255
1503
945
706
517
469
427
258
Wind (km/h)
30
SSW
20
SW
10
SSE
5
W
20
NW
10
NNE
15
NNW
20
NNW
10
N
15
NW
20
NNW
10
NNW
10
WNW
10
WNW
5
N
15
NW
20
NNW
10
NE
20
NNW
30
NNW
10
NE
cross-on
cross-on
cross-off
on
cross-on
cross-off
cross
cross-on
cross
cross-on
cross-on
cross-on
on
cross-on
glassy
cross-on
cross-on
cross-off
cross
cross
cross-off
High Tide
8:39AM1.62m
9:10PM2.23m
9:55AM1.60m
9:48PM2.30m
11:01AM1.63m
10:22PM2.35m
11:56AM1.68m
10:55PM2.38m
12:44PM1.74m
11:27PM2.39m
1:27PM1.77m
00:00AM2.39m
2:07PM1.79m
00:34AM2.37m
Low Tide
2:38PM0.37m
4:00AM0.26m
3:27PM0.56m
4:49AM0.06m
4:13PM0.73m
5:31AM-0.10m
4:55PM0.86m
6:09AM-0.21m
5:35PM0.96m
6:45AM-0.28m
6:14PM1.03m
7:21AM-0.31m
6:51PM1.07m
light rain
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
light rain
light rain
rain showers
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
5:37
5:37
5:35
5:35
5:35
5:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:47
8:49
8:50
8:50
8:51
8:52
8:52
2
8
4
1
1
1
Temp °C
12
12
11
12
13
12
12
13
12
14
14
12
12
12
11
12
12
11
13
14
12
7
8
7
10
11
9
10
9
8
11
11
9
11
10
8
8
7
7
8
8
7
Swell 1
Height (m)
Direction
Period (s)
1.2
WNW
12
3
WNW
12
4.5
WNW
14
4.5
WNW
14
4
WNW
13
3
WNW
11
2.5
WNW
10
2.4
NW
10
2.3
NW
9
2.2
WNW
17
2.3
WNW
16
3
WNW
15
2.4
WNW
14
1.9
WNW
13
2.2
NW
13
1.9
NW
12
1.7
WNW
11
1.5
WNW
11
1.4
WNW
11
1.4
WNW
11
1.2
WNW
10
Energy kJ
412
2735
7924
7867
4709
2145
1307
1028
853
2662
2682
3348
2313
1255
1503
945
706
517
469
427
258
Swell 2
Height (m)
Direction
Period (s)
0.5
SW
14
0.6
SW
14
0.6
SW
15
0.6
SW
16
0.6
SW
15
0.6
SW
15
0.6
SW
15
0.5
WNW
22
1.4
WNW
19
2.1
NW
9
0.7
WNW
11
0.4
SW
14
0.4
SW
14
1
NNW
8
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
21
0.5
SW
20
Energy kJ
103
132
183
163
143
141
149
268
1482
639
103
50
46
125
66
72
51
47
46
117
192
Swell 3
Height (m)
Direction
Period (s)
0.3
SW
18
0.3
SW
18
0.2
WNW
24
0.5
SW
15
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
13
0.1
W
21
0.1
W
26
0.1
SW
19
0.3
SW
23
0.4
SW
22
0.4
SW
13
0.3
SW
13
Energy kJ
51
50
56
104
71
72
72
51
63
9
13
14
85
119
44
26
Wind waves
Height (m)
Direction
Period (s)
1.9
SW
6
1.1
SSW
6
2
NW
9
1
N
4
1.1
NNW
6
Energy kJ
284
85
598
41
86
Nearest Offshore or Glassy
Rating
(10 max)
3
4
9
7
4
4
2
2
4
3
3
4
3
1
4
2
1
3
3
1
2
Distance (km)
388
263
31
178
252
31
399
388
8
323
323
121
323
875
8
775
875
8
243
388
8
Best forecast wave conditions in South Oregon
Rating
(10 max)
4
7
7
4
5
4
3
3
Best forecast wave conditions in United States
Rating
(10 max)
3
4
9
7
7
5
4
4
5
4
4
4
4
2
4
2
2
4
3
4
4
Header Global
Rating
(10 max)
4
4
9
6
7
7
9
6
7
7
6
5
5
5
5
4
4
7
5
5
6
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Avalanche Surf forecast

The above surf forecast table for Avalanche provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Avalanche can be found by selecting the local surf guide option on the grey menu. Our Avalanche surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Avalanche) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Avalanche may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Avalanche is 66 km (41 miles) from Corvallis. If you plan a vacation in South Oregon, look for hotels and other accommodation in Corvallis. Corvallis has rooms for a wide range of budgets as well as car hire and transport links.

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