Spectacle Reef Light, MI (SRLM4) — Live Marine Conditions & Buoy Data
NOAA station SRLM4, Spectacle Reef Light, MI, reports real-time marine conditions from 45.773°N, 84.137°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.
Current conditions at Spectacle Reef Light, MI
As of October 19, 2026 at 20:00 UTC, Spectacle Reef Light, MI (SRLM4) is reporting air temperature 58°F.
- Air temperature
- 58°F
Observed October 19, 2026 at 20:00 UTC from NOAA NDBC station SRLM4. Readings update about every 10 minutes.
What NOAA buoy SRLM4 measures
As a NOAA meteorological station, SRLM4 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
- What is the air temperature at Spectacle Reef Light?
- Air temperature at Spectacle Reef Light was 58°F. Measured October 19, 2026 at 20:00 UTC by NOAA station SRLM4 (Spectacle Reef Light, MI).
- Where is NOAA buoy SRLM4 located?
- Spectacle Reef Light, MI (SRLM4) reports from 45.773°N, 84.137°W in Lake Huron (Michigan).
- How often is NOAA buoy SRLM4 updated?
- Station SRLM4 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 SRLM4 measure?
- Big Buoy shows wind, barometric pressure, air and water temperature, and wave height and period where available for Spectacle Reef Light, MI, plus solunar peak windows and a multi-day weather outlook.
- Is Big Buoy free to use?
- Yes. Live data for Spectacle Reef 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.