EAST Lake Ontario - 20NM North Northeast of Rochester, NY (45012) — Live Marine Conditions & Buoy Data
NOAA station 45012, EAST Lake Ontario - 20NM North Northeast of Rochester, NY, reports real-time marine conditions from 43.621°N, 77.401°W in Lake Ontario (New York). Readings refresh roughly every 10 minutes, and Big Buoy adds a solunar table and a multi-day weather outlook for the area.
Lake Ontario Marine Conditions — EAST Lake Ontario - 20NM North Northeast of Rochester, NY is one of several stations in Lake Ontario. See live buoy data and solunar for the whole area.
Current conditions at EAST Lake Ontario - 20NM North Northeast of Rochester, NY
As of August 21, 2026 at 18:30 UTC, EAST Lake Ontario - 20NM North Northeast of Rochester, NY (45012) is reporting water temperature 74°F, air temperature 71°F, wave height 0.3 ft at a 2-second average period, wind from the SE at 7 mph gusting 9 mph, and barometric pressure 30.12 inHg.
- Water temperature
- 74°F
- Air temperature
- 71°F
- Wave height
- 0.3 ft @ 2 s
- Wind
- SE 7 mph (gust 9)
- Barometric pressure
- 30.12 inHg
Observed August 21, 2026 at 18:30 UTC from NOAA NDBC station 45012. Readings update about every 10 minutes.
What NOAA buoy 45012 measures
As a NOAA meteorological station, 45012 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 Ontario
Lake Ontario is deep and steep-sided, so it stratifies strongly in summer and holds cold water below the thermocline while wind-driven upwelling swings surface temperature along the shore. Seas build quickly on a sustained westerly or northeasterly blow — read wind and water temperature together before you go.
Frequently asked questions
- Where is NOAA buoy 45012 located?
- EAST Lake Ontario - 20NM North Northeast of Rochester, NY (45012) reports from 43.621°N, 77.401°W in Lake Ontario (New York).
- How often is NOAA buoy 45012 updated?
- Station 45012 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 45012 measure?
- Big Buoy shows wind, barometric pressure, air and water temperature, and wave height and period where available for EAST Lake Ontario - 20NM North Northeast of Rochester, NY, plus solunar peak windows and a multi-day weather outlook.
- Is Big Buoy free to use?
- Yes. Live data for EAST Lake Ontario - 20NM North Northeast of Rochester, NY 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.