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Calaveras Reservoir is a reservoir in California. Fish documented in the area include Green Sunfish, Rainbow Trout, European Carp, and Largemouth Bass. It covers roughly 1,450 surface acres (about 2 square miles). 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. Nearby alternatives include Calero Reservoir and San Luis Reservoir. Forecasts for Calaveras Reservoir come from the National Weather Service and refresh several times a day.
Updated
No active alerts for this lake as of the last check (Oct 11, 3:11 AM PDT). Alerts are re-checked automatically; see the official source for updates.
Best good fishing window, averaging 89/100 across these hours. Measured water temperature 57°F from a representative gauge 0.8 mi away. Provisional data. Wind 6 mph from the east. Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 49° | 49° | 48° | 50° | 49° | 50° | 54° | 58° | 60° | 65° | 67° | 68° | 69° | 68° | 66° | 64° | 59° | 58° | 56° | 54° | 53° | 53° | 52° | 52° |
| Wind (kts) | 5 | 4 | 4 | 4 | 3 | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 6 | 6 | 4 | 2 | 4 | 7 | 9 | 11 | 10 | 10 | 8 |
| Direction | S | S | S | S | SE | E | N | N | NW | NW | W | W | W | W | W | W | W | S | S | S | S | S | S | SE |
| Gusts (kts) | 7 | 6 | 6 | 5 | 5 | 5 | 5 | 6 | 7 | 9 | 9 | 9 | 10 | 11 | 10 | 7 | 4 | 5 | 10 | 15 | 18 | 17 | 15 | 13 |
| Precip % | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 1% | 1% | 3% | 3% | 4% | 6% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Sun, 3 AM PDT | 49°F | 6 mph S (180°) | 8 mph | 0% | 26% | Partly Cloudy |
| Sun, 4 AM PDT | 49°F | 5 mph SSE (158°) | 7 mph | 0% | 9% | Mostly Clear |
| Sun, 5 AM PDT | 48°F | 5 mph S (180°) | 7 mph | 0% | 7% | Mostly Clear |
| Sun, 6 AM PDT | 50°F | 5 mph SSE (158°) | 6 mph | 0% | 7% | Sunny |
| Sun, 7 AM PDT | 49°F | 3 mph SE (135°) | 6 mph | 0% | 9% | Sunny |
| Sun, 8 AM PDT | 50°F | 5 mph E (90°) | 6 mph | 0% | 6% | Sunny |
| Sun, 9 AM PDT | 54°F | 3 mph N (0°) | 6 mph | 0% | 5% | Sunny |
| Sun, 10 AM PDT | 58°F | 3 mph N (0°) | 7 mph | 0% | 2% | Sunny |
| Sun, 11 AM PDT | 60°F | 5 mph NW (315°) | 8 mph | 0% | 0% | Sunny |
| Sun, 12 PM PDT | 65°F | 5 mph WNW (293°) | 10 mph | 0% | 0% | Sunny |
| Sun, 1 PM PDT | 67°F | 5 mph W (270°) | 10 mph | 0% | 0% | Sunny |
| Sun, 2 PM PDT | 68°F | 5 mph WSW (248°) | 10 mph | 0% | 0% | Sunny |
| Sun, 3 PM PDT | 69°F | 6 mph WSW (248°) | 12 mph | 0% | 1% | Sunny |
| Sun, 4 PM PDT | 68°F | 7 mph W (270°) | 13 mph | 0% | 1% | Sunny |
| Sun, 5 PM PDT | 66°F | 7 mph W (270°) | 12 mph | 0% | 2% | Sunny |
| Sun, 6 PM PDT | 64°F | 5 mph W (270°) | 8 mph | 0% | 4% | Clear |
| Sun, 7 PM PDT | 59°F | 2 mph WSW (248°) | 5 mph | 0% | 9% | Mostly Clear |
| Sun, 8 PM PDT | 58°F | 5 mph S (180°) | 6 mph | 0% | 13% | Mostly Clear |
| Sun, 9 PM PDT | 56°F | 8 mph S (180°) | 12 mph | 1% | 7% | Mostly Clear |
| Sun, 10 PM PDT | 54°F | 10 mph SSE (158°) | 17 mph | 1% | 5% | Clear |
| Sun, 11 PM PDT | 53°F | 13 mph SSE (158°) | 21 mph | 3% | 8% | Mostly Clear |
| Mon, 12 AM PDT | 53°F | 12 mph SSE (158°) | 20 mph | 3% | 32% | Partly Cloudy |
| Mon, 1 AM PDT | 52°F | 12 mph SSE (158°) | 17 mph | 4% | 35% | Partly Cloudy |
| Mon, 2 AM PDT | 52°F | 9 mph SE (135°) | 15 mph | 6% | 34% | Partly Cloudy |
| Mon, 3 AM PDT | 51°F | 8 mph SE (135°) | 13 mph | 4% | 23% | Mostly Clear |
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 | Overnight October 11, 2026 | Sunday October 11, 2026 | Sunday Night 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 47° | 70° | 48° | 68° | 48° | 71° | 50° | 76° | 54° | 82° | 60° | 87° | 62° | 86° |
| Wind | SSE 6 mph | W 3 to 7 mph | SSE 2 to 13 mph | NNW 6 mph | SW 2 to 6 mph | NW 2 to 8 mph | SSW 1 to 8 mph | E 1 to 5 mph | SE 0 to 5 mph | NNE 0 to 5 mph | NE 0 to 3 mph | N 0 to 5 mph | ENE 0 to 3 mph | N 5 mph |
| Gusts | 8 mph | 13 mph | 21 mph | 12 mph | 12 mph | 14 mph | 14 mph | 9 mph | 9 mph | 8 mph | 7 mph | 7 mph | 6 mph | 7 mph |
| Precip % | 0% | 0% | 6% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Forecast |
CALAVERAS C NR SUNOL CA · Oct 10, 6:30 PM UTC
Good for fishing (84/100), from 6 available inputs. Supporting this: Wind 6 mph from the south. Measured water temperature 57°F from a representative gauge 0.8 mi away. Provisional data. Not available from a verified source for this lake: pressure trend. Confidence is moderate (72%) because some inputs are unavailable or older than ideal.
Excellent for boating (96/100), from 4 available inputs. Supporting this: Wind 6 mph from the south. Gusts to 8 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.
Good for sailing (89/100), from 4 available inputs. Supporting this: Gusts are within 2 mph of sustained wind, so the breeze is steady. No active official alerts for this lake. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Good for kayaking (79/100), from 5 available inputs. Supporting this: Wind 6 mph from the south. Gusts to 8 mph. Combined air and water temperature is 106°F (below the 120°F safety guideline). Thermal protection recommended for paddle craft. Confidence is high (90%).
Surface water measured at 57°F. Cold shock reflex presents an immediate drowning risk.
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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.
With its sweeping shoreline and open waters, Calaveras Reservoir in CA is a favorite getaway for anglers, watersports fans, and campers. The lake provides access via several public ramps, offering easy entry for trailered boats and kayaks. Follow state boating education standards and carry required safety equipment onboard.
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 Green Sunfish, Rainbow Trout, European Carp, Largemouth Bass. 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.
Mild year-round outdoor climate. Uncrowded waters, active winter bass and crappie fishing, and open year-round boat launch access.
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 Calaveras 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, 3:14 AM PDT