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Real-time wind speeds, peak gusts, and surface chop forecasts from NOAA National Weather Service, verified public boat launches, USGS surface water telemetry, and Oregon state boating regulations for Cottage Grove Lake (Oregon).
Frost Advisory issued October 11 at 10:00AM PDT until October 12 at 8:00AM PDT by NWS Portland OR
Peak Gusts: 21 mph. Moderate surface chop across main fetch.
Cold Shock Hazard: Life jackets are strongly urged for all vessel occupants across open water.
Ramp Accessibility: Water level referenced at 791 ft MSL for launch ramp clearance across public access points.
Advisory Threshold: Official Lake Wind Advisories trigger when sustained winds reach 15 mph or waves exceed 3 ft.
Current index calculated from verified local atmospheric, hydrographic & alert inputs.
Good for boating (83/100), from 4 available inputs. Supporting this: Wind 6 mph from the north. Gusts to 14 mph. Not available from a verified source for this lake: visibility and conditions, verified water access. Confidence is moderate (84%) because some inputs are unavailable or older than ideal.
| Forecast Time | Wind (mph) | Gust (mph) | Direction | Surface Chop & Fetch | Watercraft Readiness |
|---|---|---|---|---|---|
| 12 PM | 6 mph | 14 mph | N | Light surface ripple; gentle boat glide | Optimal |
| 1 PM | 7 mph | 16 mph | N | Light surface ripple; gentle boat glide | Favorable |
| 2 PM | 8 mph | 18 mph | N | Light surface ripple; gentle boat glide | Favorable |
| 3 PM | 9 mph | 20 mph | N | Light surface ripple; gentle boat glide | Favorable |
| 4 PM | 9 mph | 21 mph | N | Light surface ripple; gentle boat glide | Favorable |
| 5 PM | 8 mph | 21 mph | N | Light surface ripple; gentle boat glide | Favorable |
| 6 PM | 7 mph | 17 mph | N | Light surface ripple; gentle boat glide | Favorable |
| 7 PM | 5 mph | 14 mph | NE | Calm mirror surface; flat wake navigation | Optimal |
| 8 PM | 3 mph | 10 mph | NE | Calm mirror surface; flat wake navigation | Optimal |
| 9 PM | 2 mph | 9 mph | NE | Calm mirror surface; flat wake navigation | Optimal |
| 10 PM | 2 mph | 8 mph | NE | Calm mirror surface; flat wake navigation | Optimal |
| 11 PM | 1 mph | 7 mph | NE | Calm mirror surface; flat wake navigation | Optimal |
| 12 AM | 1 mph | 6 mph | E | Calm mirror surface; flat wake navigation | Optimal |
| 1 AM | 1 mph | 6 mph | E | Calm mirror surface; flat wake navigation | Optimal |
| 2 AM | 1 mph | 6 mph | E | Calm mirror surface; flat wake navigation | Optimal |
| 3 AM | 1 mph | 5 mph | E | Calm mirror surface; flat wake navigation | Optimal |
| 4 AM | 1 mph | 5 mph | E | Calm mirror surface; flat wake navigation | Optimal |
| 5 AM | 1 mph | 5 mph | E | Calm mirror surface; flat wake navigation | Optimal |
Surface chop expands with sustained wind duration across Cottage Grove Lake's open water fetch. Early morning hours typically offer the calmest navigation before thermal afternoon winds develop.
Individual boat ramp GPS coordinates are currently being cataloged for Cottage Grove Lake. Public launches are managed by state, county, or local park authorities.
Ramp operational status and courtesy dock availability are subject to seasonal water level shifts and lake management authority guidelines.
Current index calculated from verified local atmospheric, hydrographic & alert inputs.
Fair for kayaking (68/100), from 5 available inputs. Supporting this: Wind 6 mph from the north. Gusts to 14 mph. Combined air and water temperature is 119°F (below the 120°F safety guideline). Thermal protection recommended for paddle craft. Confidence is high (90%).