Mansion Beach 5-Day Forecast Summary
Here's how the next 5 days are shaping up at Mansion Beach, Rhode Island. Each day is rated based on breaking wave height, swell period, and wind — updated hourly from the latest NOAA GFS run.
Sat, May 16: 2–3ft, 9s period, rated Poor - Fair. Early morning is your best window — 3-4ft waves on SE swell at 9s with barely a breath of wind. The SSW wind kicks in by afternoon — 17mph and poor by then.
Sun, May 17: 3–4ft, 7s period, rated Fair - Good. Aim for the middle of the day — 3-4ft on ESE swell at 8s with 8mph from the SW. It's a bit wonky first thing but settles down. Afternoon wind picks back up so try to get wet before 2pm.
Mon, May 18: 2–3ft, 7s period, rated Poor - Fair. Dawn patrol is the move — 2-3ft on S swell at 7s with 11mph E winds. It gets a bit messier later in the day.
Tue, May 19: 1–2ft, 9s period, rated Poor. Not the most exciting day — 1-2ft and poor conditions with 8mph SW winds. Winds do pick up a bit by the afternoon to 14mph.
Wed, May 20: 3–4ft, 6s period, rated Poor - Fair. First light looks cleanest — 4-5ft on SSE swell at 14s with moderate SW wind around 10mph. The SSW wind kicks in by afternoon — 17mph and poor - fair by then.