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CaliforniaReservoir, 15,587 acres

Trinity Lake wind forecast

Trinity Lake, California
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7-day outlook

Daylight hours, 8am to 7pm local time. Wind in knots.

  1. TodayOct 26

    1-5kt

    SW, gusts 12

    High 55°F, rain 3%

    Use caution
  2. TueOct 27

    0-2kt

    SW, gusts 6

    High 57°F, rain 1%

    Light wind
  3. WedOct 28

    1-3kt

    SW, gusts 9

    High 60°F, rain 0%

    Light wind
  4. ThuOct 29

    1-3kt

    SW, gusts 8

    High 55°F, rain 3%

    Light wind
  5. FriOct 30

    0-3kt

    SW, gusts 7

    High 52°F, rain 34%

    Light wind
  6. SatOct 31

    0-2kt

    SE, gusts 5

    High 51°F, rain 30%

    Light wind
  7. SunNov 1

    0-1kt

    SSE, gusts 4

    High 54°F, rain 11%

    Light wind

Hour by hour, next 3 days

Wind and gusts0 to 30+ ktScoreGood, caution, stay ashoreNightBest windowArrows point where the wind blows to.

This week on Trinity

Over the next 7 days on Trinity Lake, the windiest stretch looks like Monday, with gusts to about 12 kt. Sunday is the calmest day in the outlook, topping out near 1 kt.

Monday is the pick for sailing, and Tuesday looks best for kayaks and paddleboards. Mornings are usually calmer than afternoons, so check the hourly strip for the exact window.

Reading a lake wind forecast

Sustained wind is the average over a couple of minutes; gusts are the short peaks. On inland water the gap between the two matters as much as the average. A steady 12 kt is a pleasant sail, while 8 kt gusting 20 kt knocks small boats flat and tires out paddlers.

Trinity Lake is large enough for wind to build real waves. When the forecast direction lines up with the long open stretches of the lake, expect bigger chop than the wind speed alone suggests, and plan routes that keep you near a sheltered shore on the way back.

The National Weather Service forecast covers a 2.5 km grid, so local effects like a sea breeze off a big lake, a cold front or afternoon thunderstorms can arrive earlier or stronger than shown. Check the forecast again on the morning you go, and keep an eye on small craft advisories.

Trinity Lake forecast questions

What is the wind forecast for Trinity Lake this weekend?

In the National Weather Service forecast from October 26: Saturday: SE wind 0 to 2 kt, gusts to 5 kt, high near 51°F. Sunday: SSE wind 0 to 1 kt, gusts to 4 kt, high near 54°F. The live cards above always show the latest update.

When is the best day to sail on Trinity Lake this week?

Based on the National Weather Service forecast from October 26, Monday looks best, with SW wind around 1 to 5 kt and gusts near 12 kt. Forecasts beyond three days shift, so check the live day cards above and look again the night before.

Where does the Trinity Lake wind forecast come from?

From the National Weather Service gridded forecast for the 2.5 km cell over the lake. It is the same forecast local NWS offices use, updated several times a day. We convert wind to knots and add our own go or no-go call for each activity.

What wind is too strong for a kayak or paddleboard?

We flag paddling as risky once sustained wind passes about 8 kt or gusts pass 12 kt, and advise staying ashore above 12 kt sustained or 18 kt gusts. Offshore wind is the most dangerous because it pushes you away from the launch.

Nearby lakes

If Trinity is blown out, these are the closest alternatives. Tap through for their wind forecasts.