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. Early morning is your best window — 3-4ft waves on ESE swell at 10s with glassy conditions. Wind fills in through the day, pushing up to 15mph from the SSW and dropping conditions to poor.
Sun, May 17: 3–4ft, 8s period, rated Poor - Fair. Dawn patrol is the move — 3-4ft on SSW swell at 6s with light winds out of the WSW. Wind fills in through the day, pushing up to 11mph from the SSW and dropping conditions to poor - fair.
Mon, May 18: 2–3ft, 8s period, rated Fair. Early morning is your best window — 3-4ft waves on S swell at 7s with moderate ENE wind around 8mph. Conditions go downhill through the afternoon.
Tue, May 19: 2–3ft, 8s period, rated Poor. Late morning into early afternoon looks best — 2-3ft with 9mph from the SW. Early on is a little rough — give it until mid-morning to shape up. Sea breeze fills back in by mid-afternoon so get on it early.
Wed, May 20: 3–4ft, 6s period, rated Poor - Fair. First light looks cleanest — 4-5ft on SE swell at 13s with moderate SW wind around 9mph. The SSW wind kicks in by afternoon — 15mph and poor by then.