Glass Beach 5-Day Forecast Summary
Here's how the next 5 days are shaping up at Glass Beach, Northern California. Each day is rated based on breaking wave height, swell period, and wind — updated hourly from the latest NOAA GFS run.
Tue, Jun 30: 7–8ft, 9s period, rated Very Poor. Dawn patrol is the move — 6-7ft on NW swell at 9s with glassy conditions. Onshore flow builds through the day to 22mph, bringing conditions down to very poor.
Wed, Jul 1: 6–7ft, 10s period, rated Poor - Fair. Midday is the call — 6-7ft waves with 10mph from the N and poor - fair conditions. It's a bit wonky first thing but settles down.
Thu, Jul 2: 4–5ft, 9s period, rated Poor - Fair. Early morning is your best window — 4-5ft waves on NW swell at 9s with light NNW winds. Onshore flow builds through the day to 11mph, bringing conditions down to poor - fair.
Fri, Jul 3: 3–4ft, 8s period, rated Fair. Early morning is your best window — 3-4ft waves on NW swell at 7s with glassy conditions. Wind fills in through the day, pushing up to 10mph from the NW and dropping conditions to poor - fair.
Sat, Jul 4: 3–4ft, 7s period, rated Poor - Fair. Pretty quiet out there — 3-4ft and mostly poor - fair with light winds out of the NNW.