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Lake Nacimiento is a reservoir in California. Its recorded surface area is approximately 5,400 acres. If you are planning a trip, Lake Nacimiento are also nearby. For this location, LakeRadar tracks an hourly and 7-day forecast, wind and gust outlook, and activity scores for boating, paddling, and swimming. Forecasts for Lake Nacimiento come from the National Weather Service and refresh several times a day.
Updated
Latest source update is older than expected. Use caution and check the official source.
The last automated check (Oct 11, 11:59 AM PDT) found no active alerts for this lake, but that check is older than LakeRadar's alert freshness window, so the current alert status could not be confirmed.
Confirm before heading out: official alerts for this area or weather.gov/alerts. LakeRadar scores summarize available conditions and are not a substitute for official warnings, local rules, or on-water judgment.
Overall Good (86/100) across 4 activities. Best right now: Sailing (94/100).
How the score is calculated →Best excellent fishing window, averaging 92/100 across these hours. Wind 5 mph from the southwest. Dusk hours (18:00 local). Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 69° | 68° | 65° | 62° | 61° | 57° | 54° | 53° | 52° | 52° | 54° | 55° | 53° | 55° | 55° | 54° | 50° | 49° | 47° | 51° | 55° | 59° | 63° | 65° |
| Wind (kts) | 9 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 9 | 9 | 9 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Direction | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S | S | S | S | S | S | S | S | SE | SE | SE | SW | SW |
| Gusts (kts) | 14 | 20 | 20 | 20 | 18 | 18 | 18 | 17 | 17 | 17 | 11 | 11 | 11 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 10 | 10 |
| Precip % | 2% | 2% | 2% | 2% | 11% | 11% | 11% | 11% | 11% | 11% | 20% | 20% | 20% | 20% | 20% | 20% | 11% | 11% | 11% | 11% | 11% | 11% | 2% | 2% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Sun, 1 PM PDT | 69°F | 10 mph SW (225°) | 16 mph | 2% | 15% | Sunny |
| Sun, 2 PM PDT | 68°F | 15 mph SSW (203°) | 23 mph | 2% | 15% | Sunny |
| Sun, 3 PM PDT | 65°F | 15 mph SSW (203°) | 23 mph | 2% | 15% | Sunny |
| Sun, 4 PM PDT | 62°F | 15 mph SSW (203°) | 23 mph | 2% | 15% | Sunny |
| Sun, 5 PM PDT | 61°F | 15 mph SSW (203°) | 21 mph | 11% | 28% | Mostly Sunny |
| Sun, 6 PM PDT | 57°F | 15 mph SSW (203°) | 21 mph | 11% | 28% | Partly Cloudy |
| Sun, 7 PM PDT | 54°F | 15 mph SSW (203°) | 21 mph | 11% | 28% | Partly Cloudy |
| Sun, 8 PM PDT | 53°F | 15 mph SSW (203°) | 20 mph | 11% | 28% | Partly Cloudy |
| Sun, 9 PM PDT | 52°F | 15 mph SSW (203°) | 20 mph | 11% | 28% | Partly Cloudy |
| Sun, 10 PM PDT | 52°F | 15 mph SSW (203°) | 20 mph | 11% | 28% | Partly Cloudy |
| Sun, 11 PM PDT | 54°F | 10 mph S (180°) | 13 mph | 20% | 65% | Slight Chance Rain Showers |
| Mon, 12 AM PDT | 55°F | 10 mph S (180°) | 13 mph | 20% | 65% | Slight Chance Rain Showers |
| Mon, 1 AM PDT | 53°F | 10 mph S (180°) | 13 mph | 20% | 65% | Slight Chance Rain Showers |
| Mon, 2 AM PDT | 55°F | 5 mph SSE (158°) | 8 mph | 20% | 65% | Slight Chance Rain Showers |
| Mon, 3 AM PDT | 55°F | 5 mph SSE (158°) | 8 mph | 20% | 65% | Slight Chance Rain Showers |
| Mon, 4 AM PDT | 54°F | 5 mph SSE (158°) | 8 mph | 20% | 65% | Slight Chance Rain Showers |
| Mon, 5 AM PDT | 50°F | 5 mph SSE (158°) | 8 mph | 11% | 71% | Mostly Cloudy |
| Mon, 6 AM PDT | 49°F | 5 mph SSE (158°) | 8 mph | 11% | 71% | Mostly Cloudy |
| Mon, 7 AM PDT | 47°F | 5 mph SSE (158°) | 8 mph | 11% | 71% | Mostly Cloudy |
| Mon, 8 AM PDT | 51°F | 5 mph SE (135°) | 9 mph | 11% | 71% | Mostly Cloudy |
| Mon, 9 AM PDT | 55°F | 5 mph SE (135°) | 9 mph | 11% | 71% | Mostly Cloudy |
| Mon, 10 AM PDT | 59°F | 5 mph SE (135°) | 9 mph | 11% | 71% | Mostly Cloudy |
| Mon, 11 AM PDT | 63°F | 5 mph SSW (203°) | 12 mph | 2% | 30% | Mostly Sunny |
| Mon, 12 PM PDT | 65°F | 5 mph SSW (203°) | 12 mph | 2% | 30% | Mostly Sunny |
| Mon, 1 PM PDT | 68°F | 5 mph SSW (203°) | 12 mph | 2% | 30% | Mostly Sunny |
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 | Today October 11, 2026 | Today 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 70° | 70° | 47° | 68° | 43° | 75° | 47° | 79° | 49° | 85° | 51° | 90° | 54° | 91° |
| Wind | SW 5 to 15 mph | SSW 10 to 15 mph | S 5 to 15 mph | S 5 mph | N 5 mph | N 0 to 10 mph | NNW 0 to 5 mph | N 0 to 5 mph | N 0 to 5 mph | NE 0 to 5 mph | NNE 0 to 5 mph | NE 0 to 5 mph | NE 0 to 5 mph | ENE 0 to 5 mph |
| Gusts | 25 mph | 25 mph | 25 mph | 12 mph | 9 mph | 12 mph | 9 mph | 12 mph | 12 mph | 13 mph | 10 mph | 14 mph | 13 mph | 14 mph |
| Precip % | 16% | 11% | 20% | 11% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Forecast |
Good for fishing (82/100), from 5 available inputs. Supporting this: Wind 10 mph from the southwest. 2% 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 (87/100), from 4 available inputs. Supporting this: No active official alerts for this lake. Wind 10 mph from the southwest. 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 (94/100), from 4 available inputs. Supporting this: Wind 10 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%).
Good for kayaking (87/100), from 5 available inputs. Supporting this: Wind 10 mph from the southwest. No active official alerts for this lake. 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.
Lake Nacimiento is a versatile freshwater reservoir in CA, overseen by state and local natural resource agencies to provide safe, sustainable outdoor recreation for all visitors. The lake supports active watersports, pontoon cruising, and bank fishing along accessible public easements. Checking current weather alerts and wave forecasts ensures a safe trip.
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 White Bass, Largemouth Bass, Common Carp, Rainbow 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.
Mild year-round outdoor climate. Uncrowded waters, active winter bass and crappie fishing, and open year-round boat launch access.
NWS API Web Service · License: U.S. Government work · Attribution: Data provided by the National Weather Service (api.weather.gov)
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 Nacimiento 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, 1:39 PM PDT