Surf Forecasts:: Tonga    Bookmark and Share

WaveCast Tonga
5-21-2018 4:45 AM

Swell 8-Day Forecast
Data as of 5/21/2018, 4:45 AM
5/20/2018 3:00 AM - 5/27/2018 7:00 PM

5/20/20185/21/20185/22/20185/23/20185/24/20185/25/20185/26/20185/27/2018
Dir: 222
Max: 9-11
Prd: 18
Dir: 222
Max: 6-7
Prd: 16
Dir: 223
Max: 6-7
Prd: 15
Dir: 223
Max: 6-7
Prd: 15
Dir: 222
Max: 13-16
Prd: 15
Dir: 223
Max: 12-14
Prd: 15
Dir: 218
Max: 15-18
Prd: 17
Dir: 220
Max: 12-15
Prd: 17


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

Sunday, May the 20th: Swell will be coming in from 222 degrees with 9 to 11 foot surf with 18 second periods.

Monday, May the 21st: Look for a decrease in Swell energy from yesterday. Swell will be coming in from 222 degrees with 6 to 7 foot surf with 16 second periods.

Tuesday, May the 22nd: Swell energy is looking similar to yesterday. Swell will be coming in from 223 degrees with 6 to 7 foot surf with 15 second periods.

Wednesday, May the 23rd: Swell energy is looking similar to yesterday. Swell will be coming in from 223 degrees with 6 to 7 foot surf with 15 second periods.

Thursday, May the 24th: Our call is for an increase in Swell energy compared to yesterday. Swell will be coming in from 222 degrees with 13 to 16 foot surf with 15 second periods.

Friday, May the 25th: We're expecting a decrease in Swell energy. Swell will be coming in from 223 degrees with 12 to 14 foot surf with 15 second periods.

Saturday, May the 26th: We're expecting an increase in Swell energy. Swell will be coming in from 218 degrees with 15 to 18 foot surf with 17 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!