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Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

77°F

25°C

Humidity	94%
Wind Speed	S 12 G 23 mph
Barometer	29.84 in (1010.4 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	2 Aug 10:56 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Sayville NY

High Surf Advisory August 3, 06:00am until August 3, 09:00pm

Click here for hazard details and duration

High Surf Advisory

Tonight
Low: 75 °F
Heavy Rain
Monday
High: 79 °F
Heavy Rain
and Breezy
Monday Night
Low: 67 °F
Showers then
Mostly Cloudy
Tuesday
High: 80 °F
Mostly Sunny
Tuesday Night
Low: 68 °F
Mostly Cloudy
Wednesday
High: 80 °F
Partly Sunny
Wednesday Night
Low: 72 °F
Mostly Cloudy
Thursday
High: 82 °F
Mostly Sunny
Thursday Night
Low: 73 °F
Chance
Showers

Detailed Forecast

Tonight

Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Some of the storms could produce heavy rainfall. Cloudy, with a low around 75. South wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 79. Breezy, with a south wind 17 to 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night

Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm. Low around 67. Southwest wind 7 to 13 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

Mostly sunny, with a high near 80. North wind 6 to 8 mph becoming south in the afternoon.

Tuesday Night

Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening.

Wednesday

Partly sunny, with a high near 80.

Wednesday Night

Mostly cloudy, with a low around 72.

Thursday

Mostly sunny, with a high near 82.

Thursday Night

A 30 percent chance of showers before 2am. Partly cloudy, with a low around 73.