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San Luis Reservoir sits in California and is classified as a reservoir. Fish documented in the area include Striped Bass, Black Crappie, Common Carp, and Bluegill. Its recorded surface area is approximately 12,700 acres. Sitting at around 548 feet of elevation, it drops to a maximum depth near 300 feet. A nearby water gauge supplies level and temperature readings where available. Coverage here includes an hourly and 7-day forecast, wind and gust outlook, water readings, fishing conditions, and activity scores for boating, paddling, and swimming. This page combines the live forecast, wind, and conditions for San Luis Reservoir so you can plan a visit.
Updated
Alerts are published by official agencies and shown verbatim. View the official alert source.
Lake Wind Advisory issued October 9 at 9:37AM PDT until October 11 at 11:00PM PDT by NWS Hanford CA
Overall Poor (50/100) across 5 activities. Best right now: Fishing (78/100).
How the score is calculated →Best good fishing window, averaging 87/100 across these hours. Measured water temperature 72°F from a representative gauge 19.6 mi away. Provisional data. Wind 5 mph from the north. Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 80° | 77° | 76° | 76° | 76° | 76° | 74° | 71° | 69° | 69° | 69° | 69° | 68° | 68° | 67° | 67° | 66° | 65° | 65° | 66° | 66° | 64° | 65° | 65° |
| Wind (kts) | 17 | 4 | 17 | 17 | 17 | 13 | 13 | 13 | 26 | 26 | 26 | 13 | 13 | 13 | 13 | 13 | 13 | 17 | 17 | 17 | 26 | 26 | 22 | 22 |
| Direction | W | N | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W |
| Gusts (kts) | 26 | 28 | 28 | 28 | 28 | 28 | 30 | 17 | 36 | 31 | 31 | 20 | 43 | 43 | 44 | 44 | 44 | 40 | 41 | 41 | 35 | 35 | 35 | 34 |
| Precip % | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 4% | 4% | 4% | 4% | 4% | 4% | 5% | 5% | 5% | 5% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Fri, 3 PM PDT | 80°F | 20 mph WSW (248°) | 30 mph | 0% | 4% | Sunny |
| Fri, 4 PM PDT | 77°F | 5 mph N (0°) | 32 mph | 0% | 4% | Sunny |
| Fri, 5 PM PDT | 76°F | 20 mph W (270°) | 32 mph | 0% | 7% | Sunny |
| Fri, 6 PM PDT | 76°F | 20 mph W (270°) | 32 mph | 0% | 13% | Mostly Clear |
| Fri, 7 PM PDT | 76°F | 20 mph W (270°) | 32 mph | 0% | 8% | Mostly Clear |
| Fri, 8 PM PDT | 76°F | 15 mph WSW (248°) | 32 mph | 0% | 10% | Mostly Clear |
| Fri, 9 PM PDT | 74°F | 15 mph WSW (248°) | 35 mph | 0% | 8% | Mostly Clear |
| Fri, 10 PM PDT | 71°F | 15 mph WSW (248°) | 20 mph | 0% | 7% | Mostly Clear |
| Fri, 11 PM PDT | 69°F | 30 mph WSW (248°) | 41 mph | 0% | 5% | Clear |
| Sat, 12 AM PDT | 69°F | 30 mph WSW (248°) | 36 mph | 0% | 9% | Mostly Clear |
| Sat, 1 AM PDT | 69°F | 30 mph WSW (248°) | 36 mph | 0% | 8% | Mostly Clear |
| Sat, 2 AM PDT | 69°F | 15 mph WSW (248°) | 23 mph | 0% | 8% | Mostly Clear |
| Sat, 3 AM PDT | 68°F | 15 mph WSW (248°) | 50 mph | 0% | 9% | Mostly Clear |
| Sat, 4 AM PDT | 68°F | 15 mph WSW (248°) | 50 mph | 0% | 13% | Mostly Clear |
| Sat, 5 AM PDT | 67°F | 15 mph WSW (248°) | 51 mph | 4% | 15% | Mostly Clear |
| Sat, 6 AM PDT | 67°F | 15 mph WSW (248°) | 51 mph | 4% | 19% | Sunny |
| Sat, 7 AM PDT | 66°F | 15 mph WSW (248°) | 51 mph | 4% | 17% | Sunny |
| Sat, 8 AM PDT | 65°F | 20 mph WSW (248°) | 46 mph | 4% | 15% | Sunny |
| Sat, 9 AM PDT | 65°F | 20 mph WSW (248°) | 47 mph | 4% | 15% | Sunny |
| Sat, 10 AM PDT | 66°F | 20 mph WSW (248°) | 47 mph | 4% | 11% | Sunny |
| Sat, 11 AM PDT | 66°F | 30 mph WSW (248°) | 40 mph | 5% | 9% | Sunny |
| Sat, 12 PM PDT | 64°F | 30 mph WSW (248°) | 40 mph | 5% | 9% | Sunny |
| Sat, 1 PM PDT | 65°F | 25 mph WSW (248°) | 40 mph | 5% | 8% | Sunny |
| Sat, 2 PM PDT | 65°F | 25 mph WSW (248°) | 39 mph | 5% | 9% | Sunny |
| Sat, 3 PM PDT | 65°F | 25 mph WSW (248°) | 39 mph | 5% | 5% | 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 | This Afternoon October 9, 2026 | Tonight October 9, 2026 | Saturday October 10, 2026 | Saturday Night October 10, 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 82° | 65° | 67° | 55° | 67° | 54° | 71° | 57° | 72° | 57° | 70° | 59° | 77° | 62° |
| Wind | WNW 5 to 20 mph | WSW 15 to 30 mph | WSW 15 to 30 mph | WSW 25 to 30 mph | WSW 15 to 25 mph | WSW 5 to 20 mph | NW 5 to 20 mph | W 5 to 10 mph | NW 5 to 10 mph | NNW 5 to 10 mph | N 5 to 10 mph | W 0 to 10 mph | WNW 0 to 5 mph | NW 0 to 5 mph |
| Gusts | 35 mph | 55 mph | 55 mph | 50 mph | 45 mph | 35 mph | 24 mph | 13 mph | 20 mph | 20 mph | 15 mph | 12 mph | 12 mph | 9 mph |
| Precip % | 0% | 4% | 5% | 4% | 0% | 7% | 8% | 3% | 1% | 1% | 0% | 0% | 0% | 0% |
| Forecast |
No active USGS or USACE telemetry gauge is currently mapped to San Luis Reservoir. Not available from a verified source for this lake.
SAN JOAQUIN R A FREMONT FORD BRIDGE CA · Oct 9, 11:00 AM UTC
Good for fishing (78/100), from 6 available inputs. Supporting this: Measured water temperature 72°F from a representative gauge 19.6 mi away. Provisional data. 0% chance of precipitation. Not available from a verified source for this lake: pressure trend. Confidence is moderate (72%) because some inputs are unavailable or older than ideal.
Very Poor / Avoid for boating (30/100), from 4 available inputs. Supporting this: 0% chance of precipitation. Working against it: Gusts to 30 mph. Active moderate alert: Lake Wind Advisory. Lake Wind Advisory is in effect for this lake. Boating scores are capped at 30. 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.
Very Poor / Avoid for sailing (30/100), from 4 available inputs. Supporting this: Wind 20 mph from the WSW is workable but not ideal. 0% chance of precipitation. Working against it: Active moderate alert: Lake Wind Advisory. Lake Wind Advisory is in effect for this lake. Sailing scores are capped at 30. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Very Poor / Avoid for kayaking (30/100), from 5 available inputs. Supporting this: 0% chance of precipitation. Air temperature 80°F. Working against it: Gusts to 30 mph. Active moderate alert: Lake Wind Advisory. Lake Wind Advisory is in effect for this lake. Kayaking scores are capped at 30. Confidence is high (90%).
Surface water measured at 72°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.
As a prominent feature of CA's hydrographic network, San Luis Reservoir provides rewarding recreation for both motorized craft and paddleboarders. Its channels and bays offer shelter from prevailing winds and fertile habitat for regional sportfish. Review state fishing license requirements and local launch regulations before putting in.
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 Striped Bass, Black Crappie, Common Carp, Bluegill. 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 San Luis 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 9, 3:41 PM PDT