Lake Ronkonkoma

Lake Ronkonkoma

Islip, NY

74°F
75°
6 mph76°/63°

Right Now

75°

Partly Cloudy

Water

74°

Wind

6 mph

S

Gusts

17 mph

Pressure

29.72

falling

Forecast - Mon, Jun 15

7am
70°7%
10am
71°
1pm
75°
4pm
75°
7pm
72°

High / Low

76° / 63°

Wind

6 mph

gusts 25 mph

Precip

97%

UV

8

Sunrise

9:20 AM

Sunset

12:26 AM

Today Read

Lake Ronkonkoma

Wind read

Calm

6 mph avg

Water read

74°

Warm-water bite

Air range

63° / 76°

today

Precip

97%

watch timing

Today's forecast for Lake Ronkonkoma has calm wind, 63F to 76F air temperatures, 97% chance of precipitation, and 74F water.

AI fishing planner

Green light· 74%

Turn Lake Ronkonkoma's live water temp, forecast, solunar timing, and fish data into a plan for today — what to throw, when to go, and when to move.

Fishing Forecast

NEW

4/5

Major

5:01 PM - 7:31 PM

Minor

8:51 AM - 10:21 AM

LakeMonster PRO

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June 11, 2026

Fish Species

12

Water Temperature History

Current

78°

Jun 21

Low

36°

Feb 22

Average

62°

Last 12 Months

Warmest avg: July (80°F)

Coolest avg: February (44°F)

Rapid warming: AprilMay (+10°F)

Sharpest cooling: OctoberNovember (-11°F)

Weather Forecast

Wind speed, gusts, and pressure trends for trip timing.

Hourly Wind Forecast

15

4am - 3am

Wind SpeedWind Gust
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Peak Wind

11 mph

12am

Peak Gust

25 mph

highest gust

Pressure

29.69 inHg

falling

Visibility

8 mi

99% clouds

Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days

Daily Pressure Forecast

Pressure
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Nearby Lakes

FAQ

About Lake Ronkonkoma

Lake Ronkonkoma covers 243.00 acres (0.38 square miles) with a maximum depth of 19.81 meters (~65 feet).

Lake Ronkonkoma is located in Islip, Suffolk County, NY. It is accessible to the public for outdoor activities.