San Juan 5-Day Forecast Summary
Here's how the next 5 days are shaping up at San Juan, Puerto Rico. Each day is rated based on breaking wave height, swell period, and wind — updated hourly from the latest NOAA GFS run.
Sat, May 16: 1–2ft, 12s period, rated Poor. Pretty quiet out there — 1-2ft and mostly poor with barely a breath of wind. Winds do pick up a bit by the afternoon to 14mph.
Sun, May 17: 0–1ft, 11s period, rated Very Poor. Pretty quiet out there — 0-1ft and mostly very poor with 7mph SE winds. Afternoon breeze fills in to 15mph.
Mon, May 18: 1–2ft, 8s period, rated Poor. Slim pickings today — 1-2ft and poor with moderate ESE wind around 8mph. Afternoon breeze fills in to 14mph.
Tue, May 19: 2–3ft, 9s period, rated Poor. Dawn patrol is the move — 2-3ft on ENE swell at 9s with 8mph from the ESE. The E wind kicks in by afternoon — 16mph and poor by then.
Wed, May 20: 1–2ft, 8s period, rated Poor. Dawn patrol is the move — 2-3ft on ENE swell at 8s with gentle ESE breeze. Onshore flow builds through the day to 15mph, bringing conditions down to poor.