Cupsogue 5-Day Forecast Summary
Here's how the next 5 days are shaping up at Cupsogue, New York. Each day is rated based on breaking wave height, swell period, and wind — updated hourly from the latest NOAA GFS run.
Sat, May 16: 3–4ft, 9s period, rated Poor - Fair. Aim for the middle of the day — 3-4ft on SE swell at 9s with moderate SSW wind around 12mph. Don't wait too long — the wind comes back up after lunch.
Sun, May 17: 4–5ft, 8s period, rated Poor - Fair. First light looks cleanest — 3-4ft on S swell at 6s with light winds out of the WSW. The SSW wind kicks in by afternoon — 11mph and poor - fair by then.
Mon, May 18: 2–3ft, 8s period, rated Poor - Fair. Get out early for the best of it — 2-3ft waves on S swell at 8s and moderate ENE wind around 8mph. It gets a bit messier later in the day.
Tue, May 19: 2–3ft, 9s period, rated Poor - Fair. Early morning is your best window — 2-3ft waves on SE swell at 9s with 8mph SW winds. Wind fills in through the day, pushing up to 14mph from the SSW and dropping conditions to poor.
Wed, May 20: 3–4ft, 6s period, rated Poor - Fair. Get out early for the best of it — 3-4ft waves on SE swell at 11s and moderate SW wind around 9mph. Onshore flow builds through the day to 15mph, bringing conditions down to poor.