Avalanche Surf Forecast

/ Oregon South (25 breaks) / Oregon (49 breaks) /

USA (1297 breaks) / Lat Long: (44.67° N 124.08° W)

Surf Forecasts:

Avalanche surfForecast / Oregon South / USA

12 Day Weather and Surf, issued 9 pm Monday 17 Nov 2025 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 12.6° 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 Tuesday (Nov 18) at 1AM. The primary swell is predicted to be 2.5m and 11s period with a secondary swell of 0.2m and 13s. 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 4.5m 16s and forecast to arrive on Thursday (Nov 20) at 4PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Wednesday (Nov 19) at 10PM.

Wave Type	Time (PST) & Date	Wave Height & Period
Next good surf (1 star+)	1AM (Tue 18th Nov)	8ft (2.5m) 11s
Best Surf	7PM (Thu 20th Nov)	15ft (4.5m) 15s
Most Powerful	4PM (Thu 20th Nov)	15ft (4.5m) 16s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Light rain (total 6mm), mostly falling on Wed night. Very mild (max 12°C on Thu morning, min 5°C on Tue night). Winds increasing (calm on Tue morning, fresh winds from the SSE by Wed night).										Days 3-6 Weather Summary Light rain (total 5mm), mostly falling on Sun afternoon. Very mild (max 14°C on Sat morning, min 9°C on Thu night). Winds increasing (calm on Fri afternoon, fresh winds from the S by Sun afternoon).
		Tuesday 18			Wednesday 19			Thursday 20			Friday 21			Saturday 22			Sunday 23			Mon 24
	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM
Rating (10 max)	4	4	3	4	4	4	2	3	7	8	5	4	5	6	5	6	4	0	0	1	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	WNW	WNW	WNW	WNW	WNW	WNW	WNW	W	W	W	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW
Period(s) (?)	11	11	12	16	13	12	14	13	16	14	13	12	14	15	15	16	16	16	15	14	14
Wave Graph (?)
kJ (?)	1748	1175	993	546	1208	964	660	1367	9831	7034	3717	2431	3645	5512	5734	4810	4963	4998	4014	2541	2136
Wind (km/h)	ENE	E	NNW	ENE	ESE	SSE	S	S	SSW	SE	SE	NW	ENE	ESE	NNW	SE	S	S	WNW	NW	NW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	glass	cross	off	cross- off	cross- off	cross	cross- off	cross	cross- off	cross- off	glass	glass	off	cross- on	cross- off	cross	cross	on	cross- on	cross- on
High Tide / height (m)	11:07PM 1.88	10:15AM 2.50		11:51PM 1.92	10:43AM 2.52		12:32AM 1.95	11:12AM 2.52		1:12AM 1.95	11:43AM 2.50		1:53AM 1.94	12:15PM 2.46		2:36AM 1.91	12:50PM 2.40		3:22AM 1.87		1:28PM 2.31
Low Tide / height (m)		4:17AM 0.92	5:21PM -0.05		4:52AM 1.03	5:55PM -0.12		5:26AM 1.12	6:28PM -0.16		6:00AM 1.19		7:03PM -0.16	6:35AM 1.24		7:41PM -0.14	7:12AM 1.29		8:20PM -0.09	7:54AM 1.32

		Tuesday 18			Wednesday 19			Thursday 20			Friday 21			Saturday 22			Sunday 23			Mon 24
Sunrise	-	7:16	-	-	7:16	-	-	7:18	-	-	7:20	-	-	7:20	-	-	7:22	-	-	7:24	-
Sunset	-	-	4:45	-	-	4:44	-	-	4:44	-	-	4:43	-	-	4:42	-	-	4:40	-	-	4:40

Rain (mm)	-	-	-	-	-	-	6	-	-	-	-	-	-	-	-	-	-	5	11	1	2
Temp. °C	8	11	10	8	11	11	10	12	12	10	11	11	11	14	12	11	12	12	10	10	10
Feels °C (?)	5	9	7	5	6	8	3	7	9	8	10	10	10	13	10	9	7	5	4	4	3

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Quick surf report for Avalanche:

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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.