Thunder Bay Sanctuary - Alpena
Great Lakes45.05, -83.4
Not confirmed yet · Last confirmed Oct 5, 2026
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19 sourced words
As of Wed, Oct 28, 12:10 AM EDT at Thunder Bay Sanctuary - Alpena: water temperature 57.6°F14.2°C, measured by NOAA CO-OPS Tides and Currents 9075065 1.9 mi3.1 km away; wind 17 mph28 km/h. Dive score 87 of 100, Favorable conditions.
Favorable conditions
87 out of 100
85% of inputs used
Water temperature
57.6°F14.2°C
Air temperature
48.2°F9°C
USGS 9075065 · Alpena · 3064 m away
Estimated range: Not enough data
No active NWS alerts for this point
Marine zone LHZ348: Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary
Wed 12 AM
50°F10°C
Wind 10 mph17 km/h
3% rain
Wed 3 AM
50.2°F10.1°C
Wind 9 mph15 km/h
3% rain
Wed 6 AM
50.2°F10.1°C
Wind 12 mph19 km/h
4% rain
Wed 9 AM
49.6°F9.8°C
Wind 9 mph15 km/h
2% rain
Wed 12 PM
58.6°F14.8°C
Wind 7 mph11 km/h
1% rain
Wed 3 PM
64.2°F17.9°C
Wind 9 mph14 km/h
1% rain
Wed 6 PM
59.7°F
Each day uses the same readings as the score above, with that morning’s forecast. Forecast: Open-Meteo Weather API.
Three-day trend: unknown
Wed, Oct 28
83 · Favorable conditions
Wind 12 mph · Rain 4%
Thu, Oct 29
80 · Favorable conditions
Wind 13 mph · Rain 28%
No 7-day lake-level series in this snapshot. Water temperature and wind history are not stored.
Not confirmed yet. A best-months line is shown only when a source states one.
Times shown in the site's local time (Eastern Daylight Time)
Conditions are informational, not a dive plan. Check with the site or operator, dive within your training, and make your own go/no-go decision.
Reported by divers, not measured by sensors. Reports from the last 14 days can nudge clarity, and they stay labeled as diver-reported.
Nobody has filed a report here yet. The sensors stay in charge until a diver does.
Conditions are informational, not a dive plan. Check with the site or operator, dive within your training, and make your own go/no-go decision.
The images show the current score and readings with their sources and times.
Wind
17 mph28 km/h
Gusts
18 mph30 km/h
Wave height
UnavailableNo live sensor close enough to this site
Wave period
UnavailableNo live sensor close enough to this site
Lake level
578.57 ft176.35 m
IGLD 1985
Wind 7 mph11 km/h
2% rain
Wed 9 PM
54.9°F12.7°C
Wind 7 mph12 km/h
2% rain
Modeled Forecast from Open-Meteo Weather API
