Winchester Bay 5-Day Forecast Summary
Here's how the next 5 days are shaping up at Winchester Bay, Oregon. Each day is rated based on breaking wave height, swell period, and wind — updated hourly from the latest NOAA GFS run.
Sat, May 16: 6–7ft, 13s period, rated Poor - Fair. The sweet spot is around midday — 6-7ft waves, moderate NNW wind around 12mph, poor - fair conditions. It's a bit wonky first thing but settles down.
Sun, May 17: 6–7ft, 13s period, rated Poor. Early morning is your best window — 7-8ft waves on WNW swell at 12s with light winds out of the ENE. The N wind kicks in by afternoon — 18mph and poor by then.
Mon, May 18: 5–6ft, 18s period, rated Poor - Fair. Dawn patrol is the move — 5-6ft on W swell at 12s with gentle ENE breeze. Onshore flow builds through the day to 16mph, bringing conditions down to poor - fair.
Tue, May 19: 6–7ft, 16s period, rated Poor - Fair. Dawn patrol is the move — 6-7ft on WNW swell at 14s with light ENE winds. The NNW wind kicks in by afternoon — 13mph and poor - fair by then.
Wed, May 20: 6–7ft, 13s period, rated Poor - Fair. Early morning is your best window — 6-7ft waves on WNW swell at 12s with gentle ENE breeze. Wind fills in through the day, pushing up to 14mph from the NNW and dropping conditions to poor - fair.