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Boca Reservoir is a reservoir located in California. Its recorded surface area is approximately 980 acres. Research-grade observations nearby include Brook Trout, Sockeye Salmon, Rainbow Trout, and Brown Trout. Nearby alternatives include Stampede Reservoir, Donner Lake, and Pyramid Lake. For this location, LakeRadar tracks an hourly and 7-day forecast, wind and gust outlook, fishing conditions, and activity scores for boating, paddling, and swimming. Use the conditions and forecast on this page to decide when to go boating, fishing, or paddling at Boca Reservoir.
Updated
No active alerts for this lake as of the last check (Oct 11, 2:33 PM PDT). Alerts are re-checked automatically; see the official source for updates.
Overall Good (77/100) across 4 activities. Best right now: Sailing (92/100).
How the score is calculated →Best good fishing window, averaging 88/100 across these hours. Wind 10 mph from the southwest. Dusk hours (18:00 local). Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 56° | 57° | 56° | 54° | 52° | 49° | 45° | 41° | 38° | 35° | 33° | 31° | 30° | 29° | 27° | 26° | 25° | 22° | 25° | 27° | 33° | 38° | 44° | 46° |
| Wind (kts) | 13 | 13 | 13 | 9 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 4 |
| Direction | SW | SW | SW | SW | SW | SW | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW | NW | NW |
| Gusts (kts) | 18 | 18 | 18 | 15 | 15 | 15 | 4 | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 3 | 3 | 3 | 8 | 8 | 8 |
| Precip % | 24% | 24% | 24% | 7% | 7% | 7% | 10% | 10% | 10% | 26% | 26% | 26% | 31% | 31% | 31% | 20% | 20% | 20% | 20% | 20% | 20% | 20% | 20% | 20% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Sun, 2 PM PDT | 56°F | 15 mph SW (225°) | 21 mph | 24% | 48% | Slight Chance Rain Showers |
| Sun, 3 PM PDT | 57°F | 15 mph SW (225°) | 21 mph | 24% | 48% | Slight Chance Rain Showers |
| Sun, 4 PM PDT | 56°F | 15 mph SW (225°) | 21 mph | 24% | 48% | Slight Chance Rain Showers |
| Sun, 5 PM PDT | 54°F | 10 mph SW (225°) | 17 mph | 7% | 25% | Sunny |
| Sun, 6 PM PDT | 52°F | 10 mph SW (225°) | 17 mph | 7% | 25% | Mostly Clear |
| Sun, 7 PM PDT | 49°F | 10 mph SW (225°) | 17 mph | 7% | 25% | Mostly Clear |
| Sun, 8 PM PDT | 45°F | Calm | 5 mph | 10% | 35% | Partly Cloudy |
| Sun, 9 PM PDT | 41°F | Calm | 5 mph | 10% | 35% | Partly Cloudy |
| Sun, 10 PM PDT | 38°F | Calm | 5 mph | 10% | 35% | Partly Cloudy |
| Sun, 11 PM PDT | 35°F | Calm | 2 mph | 26% | 51% | Chance Rain And Snow Showers |
| Mon, 12 AM PDT | 33°F | Calm | 2 mph | 26% | 51% | Chance Rain And Snow Showers |
| Mon, 1 AM PDT | 31°F | Calm | 2 mph | 26% | 51% | Chance Rain And Snow Showers |
| Mon, 2 AM PDT | 30°F | Calm | 2 mph | 31% | 67% | Chance Snow Showers |
| Mon, 3 AM PDT | 29°F | Calm | 2 mph | 31% | 67% | Chance Snow Showers |
| Mon, 4 AM PDT | 27°F | Calm | 2 mph | 31% | 67% | Chance Snow Showers |
| Mon, 5 AM PDT | 26°F | Calm | 1 mph | 20% | 49% | Slight Chance Snow Showers |
| Mon, 6 AM PDT | 25°F | Calm | 1 mph | 20% | 49% | Slight Chance Snow Showers |
| Mon, 7 AM PDT | 22°F | Calm | 1 mph | 20% | 49% | Slight Chance Snow Showers |
| Mon, 8 AM PDT | 25°F | Calm | 4 mph | 20% | 44% | Slight Chance Snow Showers |
| Mon, 9 AM PDT | 27°F | Calm | 4 mph | 20% | 44% | Slight Chance Snow Showers |
| Mon, 10 AM PDT | 33°F | Calm | 4 mph | 20% | 44% | Slight Chance Rain And Snow Showers |
| Mon, 11 AM PDT | 38°F | 5 mph NW (315°) | 9 mph | 20% | 47% | Slight Chance Rain And Snow Showers |
| Mon, 12 PM PDT | 44°F | 5 mph NW (315°) | 9 mph | 20% | 47% | Slight Chance Rain And Snow Showers |
| Mon, 1 PM PDT | 46°F | 5 mph NW (315°) | 9 mph | 20% | 47% | Slight Chance Rain And Snow Showers |
| Mon, 2 PM PDT | 46°F | 5 mph NW (315°) | 12 mph | 53% | 71% | Chance Rain Showers |
Official National Weather Service hourly forecast. Showing 10 of 25 hours. Wind arrows point the way the wind is blowing; the compass point and degrees show where it comes from.
| Period | This Afternoon October 11, 2026 | Tonight October 11, 2026 | Columbus Day October 12, 2026 | Monday Night October 12, 2026 | Tuesday October 13, 2026 | Tuesday Night October 13, 2026 | Wednesday October 14, 2026 | Wednesday Night October 14, 2026 | Thursday October 15, 2026 | Thursday Night October 15, 2026 | Friday October 16, 2026 | Friday Night October 16, 2026 | Saturday October 17, 2026 | Saturday Night October 17, 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 58° | 21° | 48° | 15° | 57° | 20° | 64° | 25° | 65° | 25° | 69° | 28° | 71° | 28° |
| Wind | SW 10 to 15 mph | W 0 to 10 mph | NW 0 to 5 mph | N 0 to 5 mph | NE 0 to 5 mph | N 0 to 5 mph | NE 0 to 5 mph | NE 0 to 5 mph | E 0 to 5 mph | E 0 to 5 mph | E 0 to 5 mph | 0 mph | W 0 to 5 mph | SW 0 to 5 mph |
| Gusts | 21 mph | 17 mph | 12 mph | 12 mph | 9 mph | 9 mph | 10 mph | 9 mph | 14 mph | 12 mph | 8 mph | 8 mph | 10 mph | 10 mph |
| Precip % | 24% | 31% | 54% | 54% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Forecast |
Fair for fishing (73/100), from 5 available inputs. Supporting this: Sky is mostly cloudy (48% cloud cover). 24% chance of precipitation. Not available from a verified source for this lake: pressure trend, water temperature. Confidence is moderate (74%) because some inputs are unavailable or older than ideal.
Good for boating (75/100), from 4 available inputs. Supporting this: No active official alerts for this lake. 24% chance of precipitation. 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.
Excellent for sailing (92/100), from 4 available inputs. Supporting this: Wind 15 mph from the SW is in the preferred sailing range. No active official alerts for this lake. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Fair for kayaking (74/100), from 5 available inputs. Supporting this: No active official alerts for this lake. 24% chance of precipitation. Confidence is high (90%).
Water temperature is not available from a verified source for this lake. No swimming score is shown without it.
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Individual boat ramp GPS coordinates are maintained under the jurisdiction of CA Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
Boca Reservoir serves as a key recreational and ecological freshwater reservoir in CA, overseen by state and local natural resource agencies. The waterbody supports active boating, angling, and shoreline access throughout the open season. Visitors are encouraged to verify current launch conditions, water levels, and local regulations before heading out onto the water.
Valid freshwater sport fishing license issued by California Department of Fish and Wildlife (CDFW) is required for anglers age 16+. Digital license on mobile is accepted.
Mandatory Clean, Drain & Dry inspection. Out-of-area craft require on-site Aquatic Invasive Species (AIS Quagga/Zebra) inspection or decontamination before launch. USCG life jackets required for all.
Public shoreline and boating access managed by State & Local Authorities. Verify seasonal gate hours, launch fees, and parking rules before travel.
High-speed motorboating, pontoon cruising, wakeboarding, and water skiing across main channels. Target gamefish include Brook Trout, Sockeye Salmon, Rainbow Trout, Brown Trout. Morning hours typically provide optimal glassy conditions for kayak and stand-up paddleboard (SUP) touring.
Warm water temperatures, peak swimming, active watersports, and open full-service campgrounds. Highest weekly attendance; plan early arrivals on summer weekends.
Spring pre-spawn and fall feeding transitions create prime trophy angling conditions. Cooler air, lower boat traffic, and vibrant seasonal shoreline foliage.
High-altitude mountain winter climate (elevation 5,605 ft MSL). Freezing temperatures, potential snowpack or ice cover, and reduced seasonal amenities. Winter safety caution advised.
No external source rows are cited by the data currently shown on this page.
Updated
Scores are heuristics, not safety guarantees. LakeRadar scores summarize available conditions and are not a substitute for official warnings, local rules, or on-water judgment.
All telemetry for Boca Reservoir is synchronized directly from authorized federal and state monitoring networks (USGS, NWS, NOAA, and state environmental authorities). Observations are strictly instrumented readings — unmonitored sensors are transparently disclosed rather than synthetic estimates.
Last source audit: Oct 11, 2:33 PM PDT