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Siltcoos Lake is one of the lakes LakeRadar tracks in Oregon. The water surface spans about 3,164 acres, making it a mid-sized body of water. The deepest point reaches about 22 feet, and the surface sits near 10 feet above sea level. Fish documented in the area include Largemouth Bass, Coho Salmon, Bluegill, and Yellow Perch. Water data on this page comes from a mapped monitoring station near the lake. Other waters in the region include Siltcoos Lake, Fern Ridge Reservoir, and Fern Ridge Lake. 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. Use the conditions and forecast on this page to decide when to go boating, fishing, or paddling at Siltcoos Lake.
Updated
Latest source update is older than expected. Use caution and check the official source.
The last automated check (Oct 9, 1:46 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: Boating (97/100).
How the score is calculated →Best excellent fishing window, averaging 92/100 across these hours. Wind 8 mph from the north. Dusk hours (19:00 local). 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) | 53° | 53° | 53° | 54° | 53° | 54° | 54° | 57° | 59° | 60° | 60° | 60° | 58° | 57° | 56° | 54° | 53° | 53° | 52° | 51° | 50° | 49° | 48° | 48° |
| Wind (kts) | 2 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 2 | 3 | 4 | 6 | 8 | 8 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 0 | 0 |
| Direction | N | N | N | N | — | — | — | — | NW | N | N | N | N | N | N | N | N | N | N | N | N | N | — | — |
| Gusts (kts) | 9 | 9 | 8 | 6 | 4 | 3 | 3 | 3 | 4 | 5 | 8 | 13 | 15 | 16 | 17 | 16 | 15 | 14 | 12 | 11 | 9 | 7 | 5 | 4 |
| Precip % | 0% | 0% | 1% | 1% | 0% | 1% | 2% | 4% | 12% | 17% | 18% | 6% | 2% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 1% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Fri, 3 AM PDT | 53°F | 2 mph N (0°) | 10 mph | 0% | 71% | Mostly Cloudy |
| Fri, 4 AM PDT | 53°F | 2 mph N (0°) | 10 mph | 0% | 68% | Mostly Cloudy |
| Fri, 5 AM PDT | 53°F | 2 mph N (0°) | 9 mph | 1% | 76% | Mostly Cloudy |
| Fri, 6 AM PDT | 54°F | 1 mph N (0°) | 7 mph | 1% | 69% | Patchy Fog |
| Fri, 7 AM PDT | 53°F | Calm | 5 mph | 0% | 78% | Areas Of Fog |
| Fri, 8 AM PDT | 54°F | Calm | 4 mph | 1% | 84% | Areas Of Fog |
| Fri, 9 AM PDT | 54°F | Calm | 4 mph | 2% | 65% | Areas Of Fog |
| Fri, 10 AM PDT | 57°F | Calm | 4 mph | 4% | 65% | Areas Of Fog |
| Fri, 11 AM PDT | 59°F | 2 mph NW (315°) | 5 mph | 12% | 83% | Mostly Cloudy |
| Fri, 12 PM PDT | 60°F | 3 mph NNW (338°) | 6 mph | 17% | 83% | Slight Chance Light Rain |
| Fri, 1 PM PDT | 60°F | 5 mph NNW (338°) | 9 mph | 18% | 87% | Slight Chance Light Rain |
| Fri, 2 PM PDT | 60°F | 7 mph NNW (338°) | 15 mph | 6% | 82% | Mostly Cloudy |
| Fri, 3 PM PDT | 58°F | 9 mph NNW (338°) | 17 mph | 2% | 76% | Mostly Cloudy |
| Fri, 4 PM PDT | 57°F | 9 mph NNW (338°) | 18 mph | 0% | 76% | Mostly Cloudy |
| Fri, 5 PM PDT | 56°F | 10 mph NNW (338°) | 20 mph | 0% | 41% | Mostly Sunny |
| Fri, 6 PM PDT | 54°F | 9 mph N (0°) | 18 mph | 0% | 65% | Mostly Cloudy |
| Fri, 7 PM PDT | 53°F | 8 mph N (0°) | 17 mph | 0% | 53% | Mostly Cloudy |
| Fri, 8 PM PDT | 53°F | 7 mph N (0°) | 16 mph | 0% | 45% | Partly Cloudy |
| Fri, 9 PM PDT | 52°F | 6 mph N (0°) | 14 mph | 0% | 35% | Partly Cloudy |
| Fri, 10 PM PDT | 51°F | 5 mph N (0°) | 13 mph | 0% | 33% | Partly Cloudy |
| Fri, 11 PM PDT | 50°F | 3 mph N (0°) | 10 mph | 0% | 37% | Partly Cloudy |
| Sat, 12 AM PDT | 49°F | 2 mph N (0°) | 8 mph | 0% | 18% | Mostly Clear |
| Sat, 1 AM PDT | 48°F | Calm | 6 mph | 0% | 27% | Partly Cloudy |
| Sat, 2 AM PDT | 48°F | Calm | 5 mph | 1% | 37% | Patchy Fog |
| Sat, 3 AM PDT | 47°F | Calm | 4 mph | 2% | 43% | Patchy Fog |
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 9, 2026 | Friday October 9, 2026 | Friday Night 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 52° | 62° | 46° | 57° | 43° | 61° | 43° | 62° | 45° | 61° | 49° | 63° | 48° | 66° |
| Wind | N 3 mph | NNW 0 to 10 mph | N 0 to 9 mph | NNW 0 to 6 mph | NNE 0 to 6 mph | NNE 1 to 10 mph | NNE 1 to 10 mph | NNE 0 to 6 mph | N 0 to 6 mph | W 0 to 3 mph | W 0 to 3 mph | WNW 0 to 5 mph | NNW 0 to 5 mph | NNE 0 to 5 mph |
| Gusts | 10 mph | 20 mph | 18 mph | 12 mph | 12 mph | 20 mph | 20 mph | 12 mph | 12 mph | 6 mph | 6 mph | 8 mph | 8 mph | 6 mph |
| Precip % | 1% | 18% | 5% | 16% | 0% | 0% | 0% | 0% | 15% | 15% | 24% | 24% | 3% | 1% |
| Forecast |
Good for fishing (83/100), from 5 available inputs. Supporting this: Wind 2 mph from the north. 0% 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.
Excellent for boating (97/100), from 4 available inputs. Supporting this: Wind 2 mph from the north. Gusts to 10 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 (65/100), from 4 available inputs. Supporting this: No active official alerts for this lake. Gusts exceed sustained wind by 8 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%).
Excellent for kayaking (95/100), from 5 available inputs. Supporting this: Wind 2 mph from the north. Gusts to 10 mph. 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 OR Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
As a core recreational asset in OR, Siltcoos Lake draws water enthusiasts for angling, paddling, and watersports throughout the season. Its diverse shoreline features public parks, boat launches, and scenic day-use areas overseen by state and local natural resource agencies. Please respect designated no-wake zones and wildlife preservation areas.
Valid freshwater sport fishing license issued by Oregon Department of Fish and Wildlife (ODFW) is required for anglers age 12+. 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, Coho Salmon, Bluegill, Yellow Perch. 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 Siltcoos Lake 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, 3:36 AM PDT