Port Jefferson Harbor
Wind and seas stay inside your 15 kt wind and 2.5 ft seas limits from now through 4:03 AM, covering your full 4-hour outing.
Right now
updated 12:03 AM
73°F · sets 7:27 PM
gusts 7 kt
High tide 1:43 AM
Water level not reported
Latest observations plus the current-hour NWS sky forecast. The call itself runs on the hourly forecast; nearby NDBC BRHC3 observations do not replace it.
How the day develops
Full-day forecast · 6 kt peak wind · 1 ft peak seas · Wave character unavailable
Drag the handle to time-travel. Let go to come back to now.
Right now. Go. Everything is under your limits. Wind 6 of 15 knots; seas 1 of 2.5 feet. showers, wind west 6 knots, seas 1 feet, rising, high tide at 1:43 AM.
Nearby harbors
Nearby boating conditions
Local source coverage
Marine forecast and boating conditions for Port Jefferson Harbor
A broad north-shore Long Island harbor with ferry traffic, a well-defined entrance, protected anchoring areas, and a busy village waterfront.
This harbor in New York uses Central Long Island Sound (44039) for marine observations, Bridgeport (8467150) for tide predictions, and Islip/MacArthur (KISP) for nearby aviation weather context.
Boat or Nope continuously checks the source bindings behind this planning page.Explore by water