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Crater Lake is a world-renowned volcanic caldera lake in Crater Lake National Park, Oregon. Celebrated for its breathtaking deep blue clarity and purity, it is the deepest lake in the United States at 1,943 feet. Fed entirely by precipitation and snowmelt with no inlets or outlets, surface water temperatures in summer reach around 58°F–62°F, while deep waters remain near 38°F year-round.
Updated
No active alerts for this lake as of the last check (Oct 9, 4:04 PM PDT). Alerts are re-checked automatically; see the official source for updates.
Best fair fishing window, averaging 72/100 across these hours. Wind 8 mph from the west. Dusk hours (19:00 local). Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 53° | 52° | 49° | 47° | 46° | 45° | 45° | 45° | 42° | 42° | 42° | 40° | 38° | 35° | 33° | 32° | 31° | 32° | 33° | 33° | 33° | 34° | 35° | 36° |
| Wind (kts) | 15 | 11 | 9 | 7 | 7 | 9 | 12 | 12 | 13 | 13 | 12 | 10 | 12 | 12 | 12 | 12 | 11 | 9 | 7 | 5 | 4 | 5 | 6 | 7 |
| Direction | W | W | W | W | W | NW | NW | NW | NW | NW | NW | NW | N | N | N | N | N | N | N | N | N | NW | NW | NW |
| Gusts (kts) | 23 | 21 | 20 | 18 | 15 | 18 | 23 | 27 | 27 | 28 | 26 | 23 | 21 | 20 | 21 | 20 | 20 | 17 | 15 | 12 | 11 | 10 | 11 | 13 |
| Precip % | 0% | 2% | 3% | 4% | 4% | 4% | 2% | 1% | 1% | 1% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Fri, 4 PM PDT | 53°F | 17 mph W (270°) | 27 mph | 0% | 47% | Mostly Sunny |
| Fri, 5 PM PDT | 52°F | 13 mph W (270°) | 24 mph | 2% | 62% | Partly Sunny |
| Fri, 6 PM PDT | 49°F | 10 mph W (270°) | 23 mph | 3% | 78% | Mostly Cloudy |
| Fri, 7 PM PDT | 47°F | 8 mph W (270°) | 21 mph | 4% | 83% | Mostly Cloudy |
| Fri, 8 PM PDT | 46°F | 8 mph W (270°) | 17 mph | 4% | 81% | Mostly Cloudy |
| Fri, 9 PM PDT | 45°F | 10 mph WNW (293°) | 21 mph | 4% | 75% | Mostly Cloudy |
| Fri, 10 PM PDT | 45°F | 14 mph WNW (293°) | 27 mph | 2% | 89% | Cloudy |
| Fri, 11 PM PDT | 45°F | 14 mph WNW (293°) | 31 mph | 1% | 89% | Cloudy |
| Sat, 12 AM PDT | 42°F | 15 mph WNW (293°) | 31 mph | 1% | 87% | Mostly Cloudy |
| Sat, 1 AM PDT | 42°F | 15 mph WNW (293°) | 32 mph | 1% | 78% | Mostly Cloudy |
| Sat, 2 AM PDT | 42°F | 14 mph NW (315°) | 30 mph | 0% | 76% | Mostly Cloudy |
| Sat, 3 AM PDT | 40°F | 12 mph NW (315°) | 27 mph | 0% | 57% | Mostly Cloudy |
| Sat, 4 AM PDT | 38°F | 14 mph NNW (338°) | 24 mph | 0% | 26% | Partly Cloudy |
| Sat, 5 AM PDT | 35°F | 14 mph NNW (338°) | 23 mph | 0% | 15% | Mostly Clear |
| Sat, 6 AM PDT | 33°F | 14 mph NNW (338°) | 24 mph | 0% | 11% | Sunny |
| Sat, 7 AM PDT | 32°F | 14 mph N (0°) | 23 mph | 0% | 7% | Sunny |
| Sat, 8 AM PDT | 31°F | 13 mph N (0°) | 23 mph | 0% | 3% | Sunny |
| Sat, 9 AM PDT | 32°F | 10 mph N (0°) | 20 mph | 0% | 0% | Sunny |
| Sat, 10 AM PDT | 33°F | 8 mph N (0°) | 17 mph | 0% | 0% | Sunny |
| Sat, 11 AM PDT | 33°F | 6 mph N (0°) | 14 mph | 0% | 0% | Sunny |
| Sat, 12 PM PDT | 33°F | 5 mph NNW (338°) | 13 mph | 0% | 0% | Sunny |
| Sat, 1 PM PDT | 34°F | 6 mph NW (315°) | 12 mph | 0% | 1% | Sunny |
| Sat, 2 PM PDT | 35°F | 7 mph NW (315°) | 13 mph | 0% | 3% | Sunny |
| Sat, 3 PM PDT | 36°F | 8 mph NW (315°) | 15 mph | 0% | 7% | Sunny |
| Sat, 4 PM PDT | 37°F | 9 mph NNW (338°) | 16 mph | 0% | 26% | 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 | 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) | 55° | 31° | 37° | 27° | 33° | 26° | 44° | 32° | 48° | 37° | 50° | 39° | 54° | 41° |
| Wind | W 13 to 17 mph | NW 8 to 15 mph | NNW 5 to 14 mph | NE 9 to 30 mph | NE 17 to 31 mph | NE 17 to 29 mph | NNE 2 to 24 mph | N 1 to 5 mph | NNW 0 to 5 mph | NW 3 mph | NW 0 to 3 mph | NNE 0 to 7 mph | SE 1 to 8 mph | SSE 0 to 10 mph |
| Gusts | 28 mph | 32 mph | 24 mph | 46 mph | 48 mph | 46 mph | 37 mph | 10 mph | 12 mph | 10 mph | 9 mph | 12 mph | 15 mph | 14 mph |
| Precip % | 2% | 4% | 0% | 0% | 1% | 1% | 1% | 1% | 2% | 6% | 4% | 2% | 1% | 1% |
| Forecast |
ANNIE SPRING NEAR CRATER LAKE, OR · Oct 9, 2:00 AM UTC
Fair for fishing (63/100), from 6 available inputs. Supporting this: 0% chance of precipitation. Sky is mostly cloudy (47% cloud cover). Working against it: Measured water temperature 37°F. Provisional data. Not available from a verified source for this lake: pressure trend. Confidence is moderate (73%) because some inputs are unavailable or older than ideal.
Fair for boating (69/100), from 4 available inputs. Supporting this: No active official alerts for this lake. 0% chance of precipitation. 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 (88/100), from 4 available inputs. Supporting this: Wind 17 mph from the W 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%).
Poor for kayaking (42/100), from 5 available inputs. Supporting this: No active official alerts for this lake. 0% chance of precipitation. Water temperature is 37°F (combined air+water: 90°F). Cold shock hazard: sudden immersion below 55°F poses serious risk. Confidence is high (90%).
Surface water measured at 37°F. Cold shock reflex presents an immediate drowning risk.
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Individual boat ramp GPS coordinates are maintained under the jurisdiction of National Park Service. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
Celebrated for its accessible waters and scenic surroundings, Crater Lake is a standout crater lake in OR for weekend recreation. Boaters, anglers, and paddlers share its waters while enjoying well-maintained public amenities around the perimeter. Always check local launch ramp conditions and weather windows before arrival.
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.
Managed by the National Park Service. Digital or physical vehicle entrance pass required for access; federal interagency passes honored year-round.
High-speed motorboating, pontoon cruising, wakeboarding, and water skiing across main channels. Target gamefish include Kokanee Salmon, Rainbow Trout, Bull 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.
High-altitude mountain winter climate (elevation 6,178 ft MSL). Freezing temperatures, potential snowpack or ice cover, and reduced seasonal amenities. Winter safety caution advised.
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 Crater 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, 4:04 PM PDT