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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 Montana state boating regulations for Ennis Lake (Montana).
Peak Gusts: 10 mph. Moderate surface chop across main fetch.
Cold Shock Hazard: Life jackets are strongly urged for all vessel occupants across open water.
Ramp Accessibility: Local elevation datum referenced for safe boating operations on Ennis Lake.
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.
Excellent for boating (96/100), from 4 available inputs. Supporting this: Wind 5 mph from the south. Gusts to 10 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 |
|---|---|---|---|---|---|
| 2 AM | 15 mph | 24 mph | S | Heavy wind chop (2–4 ft waves); small craft caution | Moderate |
| 3 AM | 15 mph | 24 mph | S | Heavy wind chop (2–4 ft waves); small craft caution | Moderate |
| 4 AM | 15 mph | 24 mph | S | Heavy wind chop (2–4 ft waves); small craft caution | Moderate |
| 5 AM | 13 mph | 22 mph | S | Moderate chop (1–2 ft waves); steady navigation | Moderate |
| 6 AM | 13 mph | 22 mph | S | Moderate chop (1–2 ft waves); steady navigation | Moderate |
| 7 AM | 16 mph | 27 mph | S | Heavy wind chop (2–4 ft waves); small craft caution | Moderate |
| 8 AM | 18 mph | 29 mph | S | Heavy wind chop (2–4 ft waves); small craft caution | Caution |
| 9 AM | 23 mph | 33 mph | S | Hazardous whitecaps (4–6+ ft waves); NWS advisory conditions | Caution |
| 10 AM | 26 mph | 32 mph | S | Hazardous whitecaps (4–6+ ft waves); NWS advisory conditions | Caution |
| 11 AM | 28 mph | 35 mph | SW | Hazardous whitecaps (4–6+ ft waves); NWS advisory conditions | Caution |
| 12 PM | 28 mph | 37 mph | SW | Hazardous whitecaps (4–6+ ft waves); NWS advisory conditions | Caution |
| 1 PM | 30 mph | 40 mph | SW | Hazardous whitecaps (4–6+ ft waves); NWS advisory conditions | Caution |
| 2 PM | 31 mph | 41 mph | SW | Hazardous whitecaps (4–6+ ft waves); NWS advisory conditions | Caution |
| 3 PM | 31 mph | 41 mph | SW | Hazardous whitecaps (4–6+ ft waves); NWS advisory conditions | Caution |
| 4 PM | 31 mph | 41 mph | SW | Hazardous whitecaps (4–6+ ft waves); NWS advisory conditions | Caution |
| 5 PM | 28 mph | 39 mph | SW | Hazardous whitecaps (4–6+ ft waves); NWS advisory conditions | Caution |
| 6 PM | 25 mph | 38 mph | SW | Hazardous whitecaps (4–6+ ft waves); NWS advisory conditions | Caution |
| 7 PM | 25 mph | 40 mph | S | Hazardous whitecaps (4–6+ ft waves); NWS advisory conditions | Caution |
Surface chop expands with sustained wind duration across Ennis 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 Ennis 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.
Good for kayaking (79/100), from 5 available inputs. Supporting this: Wind 5 mph from the south. Gusts to 10 mph. Combined air and water temperature is 114°F (below the 120°F safety guideline). Thermal protection recommended for paddle craft. Confidence is high (90%).