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WaveCast LongIsland
7-20-2018 4:45 AM

Swell 8-Day Forecast
Data as of 7/20/2018, 4:45 AM
7/19/2018 8:00 AM - 7/27/2018 0:00 AM

7/19/20187/20/20187/21/20187/22/20187/23/20187/24/20187/25/20187/26/20187/27/2018
Dir: 182
Max: 1-2
Prd: 7
Dir: 176
Max: 1-2
Prd: 7
Dir: 131
Max: 6-7
Prd: 7
Dir: 175
Max: 6-7
Prd: 9
Dir: 167
Max: 5-6
Prd: 8
Dir: 171
Max: 4-5
Prd: 8
Dir: 182
Max: 2-3
Prd: 7
Dir: 187
Max: 4-5
Prd: 7
Dir: 190
Max: 5-6
Prd: 7


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

Thursday, July the 19th: Swell will be coming in from 182 degrees with 1 to 2 foot surf with 7 second periods.

Friday, July the 20th: Swell energy is looking similar to yesterday. Swell will be coming in from 176 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 131 degrees with 6 to 7 foot surf with 7 second periods.

Sunday, July the 22nd: Swell energy is looking similar to yesterday. Swell will be coming in from 175 degrees with 6 to 7 foot surf with 9 second periods.

Monday, July the 23rd: Look for a decrease in Swell energy from yesterday. Swell will be coming in from 167 degrees with 5 to 6 foot surf with 8 second periods.

Tuesday, July the 24th: We're expecting a decrease in Swell energy. Swell will be coming in from 171 degrees with 4 to 5 foot surf with 8 second periods.

Wednesday, July the 25th: Look for a decrease in Swell energy from yesterday. Swell will be coming in from 182 degrees with 2 to 3 foot surf with 7 second periods.

Thursday, July the 26th: We're expecting an increase in Swell energy. Swell will be coming in from 187 degrees with 4 to 5 foot surf with 7 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!