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Lake Mendocino is a reservoir located in California.
Updated
No active alerts for this lake as of the last check (Oct 11, 12:46 AM PDT). Alerts are re-checked automatically; see the official source for updates.
Best excellent fishing window, averaging 92/100 across these hours. Measured water temperature 62°F from a representative gauge 3.9 mi away. Provisional data. Wind 9 mph from the northwest. Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 52° | 50° | 48° | 46° | 45° | 44° | 43° | 42° | 42° | 45° | 52° | 58° | 62° | 67° | 70° | 72° | 72° | 71° | 68° | 66° | 64° | 59° | 58° | 56° |
| Wind (kts) | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 8 | 8 | 8 | 8 | 8 | 8 | 1 | 1 | 1 | 1 |
| Direction | SW | SW | — | — | — | — | — | — | — | — | — | N | N | N | NW | NW | NW | NW | NW | NW | S | S | S | N |
| Gusts (kts) | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 11 | 11 | 11 | 8 | 8 | 8 | 4 | 4 | 4 | 4 |
| Precip % | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 1% | 1% | 1% | 1% | 1% | 1% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Sun, 12 AM PDT | 52°F | 1 mph SSW (203°) | 5 mph | 0% | 13% | Mostly Clear |
| Sun, 1 AM PDT | 50°F | 1 mph SSW (203°) | 5 mph | 0% | 13% | Mostly Clear |
| Sun, 2 AM PDT | 48°F | Calm | 2 mph | 0% | 13% | Patchy Fog |
| Sun, 3 AM PDT | 46°F | Calm | 2 mph | 0% | 13% | Patchy Fog |
| Sun, 4 AM PDT | 45°F | Calm | 2 mph | 0% | 13% | Patchy Fog |
| Sun, 5 AM PDT | 44°F | Calm | 2 mph | 0% | 6% | Areas Of Fog |
| Sun, 6 AM PDT | 43°F | Calm | 2 mph | 0% | 6% | Areas Of Fog |
| Sun, 7 AM PDT | 42°F | Calm | 2 mph | 0% | 6% | Areas Of Fog |
| Sun, 8 AM PDT | 42°F | Calm | 2 mph | 0% | 5% | Patchy Fog |
| Sun, 9 AM PDT | 45°F | Calm | 2 mph | 0% | 5% | Patchy Fog |
| Sun, 10 AM PDT | 52°F | Calm | 2 mph | 0% | 5% | Patchy Fog |
| Sun, 11 AM PDT | 58°F | 2 mph N (0°) | 4 mph | 1% | 5% | Sunny |
| Sun, 12 PM PDT | 62°F | 2 mph N (0°) | 4 mph | 1% | 5% | Sunny |
| Sun, 1 PM PDT | 67°F | 2 mph N (0°) | 4 mph | 1% | 5% | Sunny |
| Sun, 2 PM PDT | 70°F | 9 mph WNW (293°) | 13 mph | 1% | 10% | Sunny |
| Sun, 3 PM PDT | 72°F | 9 mph WNW (293°) | 13 mph | 1% | 10% | Sunny |
| Sun, 4 PM PDT | 72°F | 9 mph WNW (293°) | 13 mph | 1% | 10% | Sunny |
| Sun, 5 PM PDT | 71°F | 9 mph NW (315°) | 9 mph | 0% | 30% | Mostly Sunny |
| Sun, 6 PM PDT | 68°F | 9 mph NW (315°) | 9 mph | 0% | 30% | Partly Cloudy |
| Sun, 7 PM PDT | 66°F | 9 mph NW (315°) | 9 mph | 0% | 30% | Partly Cloudy |
| Sun, 8 PM PDT | 64°F | 1 mph S (180°) | 5 mph | 0% | 12% | Mostly Clear |
| Sun, 9 PM PDT | 59°F | 1 mph S (180°) | 5 mph | 0% | 12% | Mostly Clear |
| Sun, 10 PM PDT | 58°F | 1 mph S (180°) | 5 mph | 0% | 12% | Mostly Clear |
| Sun, 11 PM PDT | 56°F | 1 mph N (0°) | 5 mph | 0% | 7% | Mostly Clear |
| Mon, 12 AM PDT | 54°F | 1 mph N (0°) | 5 mph | 0% | 7% | 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) | 42° | 72° | 41° | 72° | 39° | 75° | 45° | 82° | 49° | 88° | 51° | 89° | 51° | 87° |
| Wind | WNW 1 mph | NW 0 to 9 mph | NW 1 to 9 mph | SW 1 to 8 mph | ENE 1 to 8 mph | ENE 1 to 8 mph | N 0 to 8 mph | N 0 to 6 mph | NNE 0 to 6 mph | N 0 to 6 mph | N 1 to 6 mph | N 0 to 6 mph | N 1 to 6 mph | WSW 1 to 6 mph |
| Gusts | 5 mph | 13 mph | 9 mph | 16 mph | 16 mph | 17 mph | 17 mph | 14 mph | 14 mph | 13 mph | 13 mph | 13 mph | 13 mph | 4 mph |
| Precip % | 0% | 1% | 0% | 1% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Forecast |
EF RUSSIAN R NR CALPELLA CA · Oct 10, 4:15 PM UTC
Good for fishing (88/100), from 6 available inputs. Supporting this: Measured water temperature 62°F from a representative gauge 3.9 mi away. Provisional data. Wind 2 mph from the south-southeast. 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 (98/100), from 4 available inputs. Supporting this: Wind 2 mph from the south-southeast. 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.
Fair for sailing (68/100), from 4 available inputs. Supporting this: No active official alerts for this lake. Gusts exceed sustained wind by 6 mph, making the breeze puffy. Working against it: Wind 2 mph is light; expect limited sailing. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Good for kayaking (82/100), from 5 available inputs. Supporting this: Wind 2 mph from the south-southeast. Gusts to 8 mph. Combined air and water temperature is 117°F (below the 120°F safety guideline). Thermal protection recommended for paddle craft. Confidence is high (90%).
Surface water measured at 62°F. Air and water contrast evaluate recreational immersion comfort.
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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.
Lake Mendocino is an important freshwater reservoir in CA, overseen by state and local natural resource agencies to balance public recreation with natural resource stewardship. The waterbody offers excellent conditions for sport fishing, cruising, and paddling during favorable weather windows. Checking real-time water levels and ramp clearances ensures safe navigation along the shoreline.
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 Largemouth Bass, Rainbow Trout, Bluegill, Channel Catfish. 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 Lake Mendocino 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, 12:46 AM PDT