AlaskaNatural lake, 1,623 acres, Kenai Peninsula Borough
Upper Trail Lake wind forecast

7-day outlook
Daylight hours, 8am to 7pm local time. Wind in knots.
-
MonOct 26
1-4kt
S, gusts 5
High 42°F, rain 17%
Light wind -
TueOct 27
0-1kt
NE, gusts 1
High 42°F, rain 0%
Light wind -
WedOct 28
5-8kt
SE, gusts 11
High 45°F, rain 57%
Good -
ThuOct 29
2-5kt
E, gusts 13
High 45°F, rain 68%
Use caution -
FriOct 30
3-4kt
ESE, gusts 12
High 45°F, rain 96%
Light wind -
SatOct 31
0-1kt
ESE, gusts 6
High 42°F, rain 52%
Light wind -
SunNov 1
0kt
Variable, gusts 4
High 40°F, rain 41%
Light wind
Hour by hour, next 3 days
This week on Upper Trail
Over the next 7 days on Upper Trail Lake, the windiest stretch looks like Thursday, with gusts to about 13 kt. Sunday is the calmest day in the outlook, topping out near 0 kt.
Wednesday 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.
On a lake the size of Upper Trail, waves stay modest, but nearby hills, trees and buildings bend the wind. Expect shifts and puffs, especially close to shore, and treat the forecast speed as an average across open water.
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.
Upper Trail Lake forecast questions
What is the wind forecast for Upper Trail Lake this weekend?
In the National Weather Service forecast from October 25: Saturday: ESE wind 0 to 1 kt, gusts to 6 kt, high near 42°F, 52% chance of rain. Sunday: wind 0 kt, gusts to 4 kt, high near 40°F. The live cards above always show the latest update.
When is the best day to sail on Upper Trail Lake this week?
Based on the National Weather Service forecast from October 25, Wednesday looks best, with SE wind around 5 to 8 kt and gusts near 11 kt. Forecasts beyond three days shift, so check the live day cards above and look again the night before.
Where does the Upper Trail 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 Upper Trail is blown out, these are the closest alternatives. Tap through for their wind forecasts.