Lake McSwain

Lake McSwain

Snelling, Merced County, CA
0mi²
121.00ft
Directions
Lake Information

Lake McSwain is 18 miles northeast of Merced and downstream from Lake McClure. Both reservoirs are owned and operated by the Merced Irrigation District. Visitors to Lake McSwain find a quiet recreation area popular for slow-speed boating (10 MPH max.), fishing, swimming, and picnicking. A marina offers boat rentals and fuel sales. They also have a cafe.

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Current Conditions

68°F°
Feels like 66°F°
PartlyCloudy
Today's High
69°F°
Today's Low
45°F°

Water Temperature

70°F
Updated: (May 11)
Sign in to contribute temps.

Current water temperature for Lake McSwain is 70°F.

Current Snapshot

Wind8 mph W (Gust 12 mph)
Pressure
29.86 inHg
Visibility26 mi
Humidity43%
Cloud Cover57%

Forecast: Tuesday, May 13

Day 1 of 9

Hourly Insights

7 AM
48°F°
10 AM
57°F°
1 PM
62°F°
4 PM
68°F°

Temperature

High
69°F°
Low
45°F°

Precipitation

Chance28%
Amount0.00"
Typerain

Wind

7mph
Avg Speed
Gusts up to
18mph
CalmModerateStrong
Max Speed12 mph

Sun, Moon & UV

Sunrise12:53 PM
Sunset3:02 AM
Moon PhasewaningGibbous
Max UV Index6 (High)

Solunar Fishing Forecast

Action Rating
4/5

Todays action is rated a 4 (scale is 0 thru 5, 5 is the best)

Major Times (Best)

7:52 AM - 10:22 AM

4:06 PM - 6:36 PM

Minor Times (Good)

4:05 AM - 5:35 AM

12:36 PM - 2:06 PM

Outlook for Tuesday at Lake McSwain

Expect temperatures ranging from 45°F to 69°F. There's a 28% chance of rain, potentially bringing around 0.00" rain. Winds will be averaging 7 mph, with potential gusts reaching up to 18 mph. The maximum UV index will be 6 (High), so plan sun protection accordingly. For anglers, today's fishing action is rated 4/5 (Todays action is rated a 4 (scale is 0 thru 5, 5 is the best)). Look for the best bite times during the major periods around 7:52 AM and 4:06 PM, or try the minor windows near 4:05 AM and 12:36 PM for potential early morning or evening action. Check back for the latest conditions and forecasts for Lake McSwain.

Lake Map Views

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May 12th 2025

Lake Information

Elevation
121 ft
Area
0 mi²
Coordinates
37.520, -120.304

Weather Forecast

Tuesday

69°F
45°F

Wednesday

78°F
46°F

Thursday

83°F
49°F

Friday

83°F
56°F

Saturday

76°F
53°F

Sunday

78°F
50°F

Monday

84°F
51°F

Tuesday

85°F
55°F

Wednesday

85°F
61°F
Tuesday - 5/13/2025
69°F
45°F
12am
53°F
70°F
29.95 hPa
7 mph
NW
G: 14 mph
2am
49°F
70°F
29.96 hPa
4 mph
NNW
G: 9 mph
4am
48°F
70°F
29.96 hPa
4 mph
NNW
G: 8 mph
6am
45°F
70°F
29.98 hPa
2 mph
NNW
G: 4 mph
8am
52°F
70°F
30.02 hPa
4 mph
WNW
G: 4 mph
10am
57°F
70°F
30.04 hPa
6 mph
W
G: 12 mph
12pm
61°F
70°F
30.04 hPa
7 mph
WNW
G: 13 mph
2pm
66°F
70°F
30.04 hPa
9 mph
WNW
G: 11 mph
4pm
68°F
70°F
30.00 hPa
10 mph
NW
G: 13 mph
6pm
68°F
70°F
29.99 hPa
12 mph
NW
G: 18 mph
8pm
63°F
70°F
29.98 hPa
9 mph
N
G: 17 mph
10pm
58°F
70°F
29.99 hPa
8 mph
N
G: 13 mph

Water Temperature History

Trends for Lake McSwain

Current Temp

Sign in to view

Latest recorded surface temperature.

Lowest in Period

50°F

On Dec 15

Coldest point in the Last 12 Months.

Average in Period

62°F

Typical temp during the Last 12 Months.

Temperature Trend: Last 12 Months

Surface temperature over the selected period.

Key Observations (Last 12 Months)

  • Warmest avg: August (76°F).
  • Coolest avg: February (50°F).
  • Rapid warming often occurs: March → April (+8°F).
  • Sharpest cooling trend: September → October (-11°F).

Weather Forecast

Wind speed and pressure trends

Hourly Wind Forecast

12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm05101520

Wind Direction

315°

Pressure

1014 mb

Cloud Cover

36%

Visibility

16 miles

Daily Pressure Forecast

TueWedThuFriSatSunMonTueWed0.008.8617.7226.5835.44
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Frequently Asked Questions About Lake McSwain

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