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WaveCast LongIsland
7-18-2018 4:45 AM

Swell 8-Day Forecast
Data as of 7/18/2018, 4:45 AM
7/17/2018 8:00 AM - 7/25/2018 0:00 AM

7/17/20187/18/20187/19/20187/20/20187/21/20187/22/20187/23/20187/24/20187/25/2018
Dir: 199
Max: 2-3
Prd: 6
Dir: 183
Max: 2-3
Prd: 8
Dir: 116
Max: 1-2
Prd: 8
Dir: 179
Max: 1-2
Prd: 7
Dir: 136
Max: 4-5
Prd: 7
Dir: 170
Max: 6-7
Prd: 9
Dir: 179
Max: 6-7
Prd: 9
Dir: 180
Max: 5-6
Prd: 8
Dir: 187
Max: 3-4
Prd: 7


Forecast Based on WaveWatchIII Data Courtesy NOAA/NWS/NCEP Ocean Modeling Branch

Tuesday, July the 17th: Swell will be coming in from 199 degrees with 2 to 3 foot surf with 6 second periods.

Wednesday, July the 18th: Swell energy is looking similar to yesterday. Swell will be coming in from 183 degrees with 2 to 3 foot surf with 8 second periods.

Thursday, July the 19th: Look for a decrease in Swell energy from yesterday. Swell will be coming in from 116 degrees with 1 to 2 foot surf with 8 second periods.

Friday, July the 20th: Swell energy is looking similar to yesterday. Swell will be coming in from 179 degrees with 1 to 2 foot surf with 7 second periods.

Saturday, July the 21st: Our call is for an increase in Swell energy compared to yesterday. Swell will be coming in from 136 degrees with 4 to 5 foot surf with 7 second periods.

Sunday, July the 22nd: We're expecting an increase in Swell energy. Swell will be coming in from 170 degrees with 6 to 7 foot surf with 9 second periods.

Monday, July the 23rd: Swell energy is looking similar to yesterday. Swell will be coming in from 179 degrees with 6 to 7 foot surf with 9 second periods.

Tuesday, July the 24th: We're expecting a decrease in Swell energy. Swell will be coming in from 180 degrees with 5 to 6 foot surf with 8 second periods.

Want to plan the perfect session? Learn how with our Surf Forecasting guide. Written in easy-to-understand terms see the science behind waves, winds, water temperatures, tidal swings, and more. Learn how to predict when swells will arrive, how big the waves will be, and telltale signs of common hazards. Check it out!