Note: Ontonagon Mi has a very small astronomical tide — about 1 cm between high and low water. Day-to-day changes in water level here are driven mainly by wind, air pressure and seiche rather than the tide, so observed levels can differ noticeably from these predictions.
Today — Thu, Sep 17
- Low Tide2:21 AM0.28m (0.9ft) LAT
Sat, Sep 19
- High Tide12:45 PM0.29m (1.0ft) LAT






Station Details
- Location
- Ontonagon Mi, Michigan, United States
- Coordinates
- 46.8744°N, 89.3242°W
- Station ID
- ontonagon_mi-9099044-usa-noaa
- Type
- Reference (harmonic)
- Timezone
- America/Detroit
- Datum
- MLLW (Mean Lower Low Water)
- Source
- TICON-4 (SHOM)
Tide Chart for Ontonagon Mi
Sun
Moon
Tidal Conditions
Fishing & Tides at Ontonagon Mi — Friday, September 18
Best fishing times today
- Minor10:29 PM – 11:29 PM
- Major6:31 AM – 8:31 AM☀ prime
- Minor3:34 PM – 4:34 PM
- Major6:57 PM – 8:57 PM☀ prime
The moon is at a quarter phase, so today's high and low tides are closer together than usual.