Port Jefferson Beach

Port Jefferson, New York · Atlantic coast

Water temperature, waves, wind and tides at Port Jefferson Beach in Port Jefferson, New York, with where every number comes from and how old it is.

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Right now at Port Jefferson Beach

Water
59°F (15°C)
Wind
24 mph (38 km/h) from the north, gusts to 25 mph
Air
44°F (7°C)

As of 9:45 AM local time, from NOAA forecast models and nearby stations. The full day, hour by hour, is on the conditions page.

Low tides in daylight at Port Jefferson Beach

  • Today: no more low tides before sunset
  • Saturday, Nov 14: 8:25 AM, 1.1 ft
  • Sunday, Nov 15: 9:11 AM, 1.1 ft
  • Monday, Nov 16: 10:00 AM, 1.1 ft
  • Tuesday, Nov 17: 10:51 AM, 1.1 ft (lowest)

Predicted by NOAA for Cedar Beach, 0.2 miles (0.4 km) away. Heights are above mean lower low water, so a minus tide is below 0 ft. Sunrise and sunset are calculated for the beach; times are local.

Highest tides ahead at Port Jefferson Beach

  • Nov 23–27: up to 7.7 ft (Wed, Nov 25, 11:13 AM); lowest daylight low ahead −0.5 ft (Mon, Nov 23, 4:06 PM)
  • Dec 23–25: up to 7.5 ft (Thu, Dec 24, 10:56 AM)
  • Jan 22–23: up to 7.4 ft (Fri, Jan 22, 10:44 AM)
  • Feb 23: up to 7.4 ft (Tue, Feb 23, 12:31 AM); lowest daylight low ahead −0.7 ft (Tue, Feb 23, 6:50 AM)

The days NOAA predicts the highest tides at Cedar Beach between now and March 2, often called king tides, with the lowest low tide still ahead in daylight on those days. Heights are in feet above mean lower low water; times are local.

What Ebbward shows here

Water temperature
From NOAA models and satellite sea surface temperature, or a measured reading when a station or buoy nearby reports one.
Waves and wind
Modeled at this beach's own forecast point offshore, hour by hour for seven days. Waves breaking at the shore can be bigger or smaller.
Tides
NOAA tide predictions from Cedar Beach, 0.2 miles (0.4 km) away.
Nearest NOAA buoy
LONG ISLAND - 30 NM South of Islip, NY, 49 miles (79 km) away.
Facing
North (19°), which decides whether the wind is onshore or offshore here.
Underwater visibility
Unreported until someone who was in the water today shares a report.

Before you go in

Ebbward describes ocean conditions; it is not a safety rating and can't tell you whether to swim. Check posted flags, ask a lifeguard, and read the National Weather Service forecast.

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