the different maps are all updated at different times, but the wave maps are updated at approx. 1:30 am/pm and 7:30 am/pm EDT.
The text forecasts are updated twice per day, approx 6:00am/pm EST.
If you scroll down to the bottom of the detailed forecast, you will see the update time.
The maps are updated 4 times daily.
Global Surf Talk
Surfboards and Surfboard Design
Weather and Surf Forecasting
Non Surf Related
Mexico / Central America