Presque Isle Light, MI (PRIM4) — Live Marine Conditions & Buoy Data
NOAA station PRIM4, Presque Isle Light, MI, reports real-time marine conditions from 45.357°N, 83.492°W in Lake Huron (Michigan). Readings refresh roughly every 10 minutes, and Big Buoy adds a solunar table and a multi-day weather outlook for the area.
Lake Huron Marine Conditions — Presque Isle Light, MI is one of several stations in Lake Huron. See live buoy data and solunar for the whole area.
Current conditions at Presque Isle Light, MI
As of August 21, 2026 at 18:50 UTC, Presque Isle Light, MI (PRIM4) is reporting wind at 8 mph gusting 21 mph.
- Wind
- 8 mph (gust 21)
Observed August 21, 2026 at 18:50 UTC from NOAA NDBC station PRIM4. Readings update about every 10 minutes.
What NOAA buoy PRIM4 measures
As a NOAA meteorological station, PRIM4 reports wind speed, gusts and direction, barometric pressure, air and water temperature, and — where wave sensors are fitted — significant wave height, swell period, and wave direction.
What to watch in Lake Huron
Lake Huron pairs a big open main basin with the sheltered waters of Georgian Bay and the North Channel, so conditions vary a lot with where you are. The open lake builds steep, short-period seas on a sustained blow — check the buoy nearest your water and mind the wind direction.
Frequently asked questions
- Where is NOAA buoy PRIM4 located?
- Presque Isle Light, MI (PRIM4) reports from 45.357°N, 83.492°W in Lake Huron (Michigan).
- How often is NOAA buoy PRIM4 updated?
- Station PRIM4 typically reports new observations about every 10 minutes. Big Buoy refreshes continuously so you always see the latest readings, alongside a solunar table for the area.
- What does NOAA buoy PRIM4 measure?
- Big Buoy shows wind, barometric pressure, air and water temperature, and wave height and period where available for Presque Isle Light, MI, plus solunar peak windows and a multi-day weather outlook.
- Is Big Buoy free to use?
- Yes. Live data for Presque Isle Light, MI and every other NOAA buoy is free with no account required. Big Buoy Pro adds the Wind Tab, the Depth Chart, satellite overlays (sea surface temp, chlorophyll, currents), 16-day forecasts, and forecast model switching.