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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 California state boating regulations for San Luis Reservoir (California).
Lake Wind Advisory issued October 9 at 9:37AM PDT until October 11 at 11:00PM PDT by NWS Hanford CA
Peak Gusts: 30 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 548 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.
Very Poor / Avoid for boating (30/100), from 4 available inputs. Supporting this: 0% chance of precipitation. Working against it: Gusts to 30 mph. Active moderate alert: Lake Wind Advisory. Lake Wind Advisory is in effect for this lake. Boating scores are capped at 30. 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 |
|---|---|---|---|---|---|
| 5 PM | 20 mph | 32 mph | W | Heavy wind chop (2–4 ft waves); small craft caution | Caution |
| 6 PM | 20 mph | 32 mph | W | Heavy wind chop (2–4 ft waves); small craft caution | Caution |
| 7 PM | 20 mph | 32 mph | W | Heavy wind chop (2–4 ft waves); small craft caution | Caution |
| 8 PM | 15 mph | 32 mph | W | Heavy wind chop (2–4 ft waves); small craft caution | Caution |
| 9 PM | 15 mph | 35 mph | W | Heavy wind chop (2–4 ft waves); small craft caution | Caution |
| 10 PM | 15 mph | 20 mph | W | Heavy wind chop (2–4 ft waves); small craft caution | Moderate |
| 11 PM | 30 mph | 41 mph | W | Hazardous whitecaps (4–6+ ft waves); NWS advisory conditions | Caution |
| 12 AM | 30 mph | 36 mph | W | Hazardous whitecaps (4–6+ ft waves); NWS advisory conditions | Caution |
| 1 AM | 30 mph | 36 mph | W | Hazardous whitecaps (4–6+ ft waves); NWS advisory conditions | Caution |
| 2 AM | 15 mph | 23 mph | W | Heavy wind chop (2–4 ft waves); small craft caution | Moderate |
| 3 AM | 15 mph | 50 mph | W | Heavy wind chop (2–4 ft waves); small craft caution | Caution |
| 4 AM | 15 mph | 50 mph | W | Heavy wind chop (2–4 ft waves); small craft caution | Caution |
| 5 AM | 15 mph | 51 mph | W | Heavy wind chop (2–4 ft waves); small craft caution | Caution |
| 6 AM | 15 mph | 51 mph | W | Heavy wind chop (2–4 ft waves); small craft caution | Caution |
| 7 AM | 15 mph | 51 mph | W | Heavy wind chop (2–4 ft waves); small craft caution | Caution |
| 8 AM | 20 mph | 46 mph | W | Heavy wind chop (2–4 ft waves); small craft caution | Caution |
| 9 AM | 20 mph | 47 mph | W | Heavy wind chop (2–4 ft waves); small craft caution | Caution |
| 10 AM | 20 mph | 47 mph | W | Heavy wind chop (2–4 ft waves); small craft caution | Caution |
Surface chop expands with sustained wind duration across San Luis Reservoir'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 San Luis Reservoir. 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.
Very Poor / Avoid for kayaking (30/100), from 5 available inputs. Supporting this: 0% chance of precipitation. Air temperature 80°F. Working against it: Gusts to 30 mph. Active moderate alert: Lake Wind Advisory. Lake Wind Advisory is in effect for this lake. Kayaking scores are capped at 30. Confidence is high (90%).