Avalanche surfForecast / Oregon South / USA

information circle12 Day Weather and Surf, issued 3 pm Sunday 04 Jan 2026 PST
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
11.2° C
(Which is 1.1°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Avalanche this week:

The surf forecast for Avalanche over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jan 05) at 7AM. The primary swell is predicted to be 1.8m and 11s period with a secondary swell of 1.2m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Avalanche in the next 12 days are 5.5m 16s and forecast to arrive on Wednesday (Jan 07) at 10PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Saturday (Jan 10) at 1AM.

Wave TypeTime (PST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Mon 5th Jan)6ft (1.8m) 11s
Best Surf 7PM (Wed 7th Jan)16ft (5.0m) 17s
Most Powerful10PM (Wed 7th Jan)18ft (5.5m) 16s

Table - best surf conditions forecast for Avalanche over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 31mm), heaviest during Tue afternoon. Mild temperatures (max 9°C on Mon morning, min 6°C on Mon night). Winds increasing (light winds from the NNE on Sun night, strong winds from the WSW by Wed morning).

Days 3-6 Weather Summary Moderate rain (total 11mm), heaviest on Wed night. Very mild (max 11°C on Fri afternoon, min 7°C on Wed night). Winds decreasing (strong winds from the WNW on Wed night, calm by Sat morning).

Sun
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
Friday
09
Saturday
10
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
2
2
3
2
3
0
0
0
0
0
!
6
7
7
5
4
4
4
4
4
4
Swell
Height Map
Wave Height (m) & direction (?)
2.4
SW
1.5
SSW
1.7
W
1.6
W
1.7
WNW
1.6
WNW
3.5
WSW
3
WNW
3.5
WNW
4.5
WNW
5.5
WNW
5
WNW
5
WNW
4
WNW
3.5
WNW
3
WNW
2.1
WNW
2.1
WNW
2.2
W
2.4
W
3
WSW
Period(s) (?)1091111101181011171616161514131312131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)11453546955956345821308176827651319815883130161140073304570271814351200161716652089
Wind
(km/h)
15
SSW
10
W
5
NNE
10
N
5
SSE
30
SSW
40
SW
20
WNW
40
WSW
25
WSW
25
NW
15
WNW
10
WSW
15
S
10
SE
5
ESE
15
ESE
10
ESE
5
E
10
E
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossoncross-
off
crosscross-
off
cross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
ononcrosscross-
off
cross-
off
offoffglassoffcross-
off
High Tide
/ height (m)
1:51AM
2.28
12:49PM
2.80
2:33AM
2.32
1:40PM
2.59
3:15AM
2.35
2:32PM
2.33
3:56AM
2.37
3:29PM
2.05
4:36AM
2.38
4:34PM
1.79
5:17AM
2.38
5:54PM
1.60
5:59AM
2.37
Low Tide
/ height (m)
7:12PM
-0.55
7:05AM
0.98
7:55PM
-0.42
8:00AM
0.92
8:37PM
-0.23
8:57AM
0.87
9:17PM
0.02
9:59AM
0.82
9:55PM
0.30
11:04AM
0.75
10:35PM
0.59
12:13PM
0.66
11:17PM
0.86
Sun
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunrise--7:52--7:52--7:52--7:52--7:52--7:52--7:50
Sunset4:49--4:50--4:51--4:52--4:52--4:53--4:54--
rain showers
rain showers
clear
clear
part cloud
light rain
heavy rain
rain showers
light rain
light rain
rain showers
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
42---51433272---------
Temp. °C8899789999899991191111910
Feels °C (?)4456211313-14566958857
  • 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 12 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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