Michigan · Lake
Holland
Lake Michigan
54.5°F+0.9° vs 24h ago
Great LakesLocal observationLake levels, rather than ocean tides
Observed
Lake Superior · Lake
Duluth
Water temperature & lake conditions
WATER TEMPERATURE Station observation
56.8°F
-0.4° compared with 24 hours earlier
LAKE CONDITIONS
602.05 ft
Observed water level · IGLD
Oct 21, 9:42 PM CDT · Preliminary
Lake levels respond to wind and weather. NOAA does not provide ordinary ocean tide predictions here.
✓
No active NWS weather alerts reported at this station. Local water-quality closures are not included. Check local beach authorities.
RECENT OBSERVATIONS
Water temperature
Past 72 hours at Duluth. Gaps are left visible.
View observation table
| Local date & time | Water temperature |
|---|---|
| Oct 21 · 10:00 PM CDT | 56.8°F |
| Oct 21 · 9:54 PM CDT | 56.8°F |
| Oct 21 · 9:48 PM CDT | 56.8°F |
| Oct 21 · 9:42 PM CDT | 57.0°F |
| Oct 21 · 9:36 PM CDT | 57.0°F |
| Oct 21 · 9:30 PM CDT | 57.0°F |
| Oct 21 · 9:24 PM CDT | 57.0°F |
| Oct 21 · 9:18 PM CDT | 56.8°F |
| Oct 21 · 9:12 PM CDT | 56.8°F |
| Oct 21 · 9:06 PM CDT | 57.0°F |
| Oct 21 · 9:00 PM CDT | 56.8°F |
| Oct 21 · 8:54 PM CDT | 56.8°F |
| Oct 21 · 8:48 PM CDT | 56.8°F |
| Oct 21 · 8:42 PM CDT | 56.8°F |
| Oct 21 · 8:36 PM CDT | 56.8°F |
| Oct 21 · 8:30 PM CDT | 56.8°F |
| Oct 21 · 8:24 PM CDT | 56.8°F |
| Oct 21 · 8:18 PM CDT | 57.0°F |
| Oct 21 · 8:12 PM CDT | 57.0°F |
| Oct 21 · 8:06 PM CDT | 57.0°F |
| Oct 21 · 8:00 PM CDT | 57.0°F |
| Oct 21 · 7:54 PM CDT | 57.0°F |
| Oct 21 · 7:48 PM CDT | 57.0°F |
| Oct 21 · 7:42 PM CDT | 57.0°F |
| Oct 21 · 7:36 PM CDT | 57.0°F |
| Oct 21 · 7:30 PM CDT | 57.2°F |
| Oct 21 · 7:24 PM CDT | 57.0°F |
| Oct 21 · 7:18 PM CDT | 57.0°F |
| Oct 21 · 7:12 PM CDT | 57.0°F |
| Oct 21 · 7:06 PM CDT | 57.0°F |
| Oct 21 · 7:00 PM CDT | 57.0°F |
| Oct 21 · 6:54 PM CDT | 57.0°F |
| Oct 21 · 6:48 PM CDT | 57.0°F |
| Oct 21 · 6:42 PM CDT | 57.0°F |
| Oct 21 · 6:36 PM CDT | 57.0°F |
| Oct 21 · 6:30 PM CDT | 57.0°F |
| Oct 21 · 6:24 PM CDT | 57.0°F |
| Oct 21 · 6:18 PM CDT | 57.0°F |
| Oct 21 · 6:12 PM CDT | 57.0°F |
| Oct 21 · 6:06 PM CDT | 57.0°F |
| Oct 21 · 6:00 PM CDT | 57.0°F |
| Oct 21 · 5:54 PM CDT | 57.0°F |
| Oct 21 · 5:48 PM CDT | 57.0°F |
| Oct 21 · 5:42 PM CDT | 57.0°F |
| Oct 21 · 5:36 PM CDT | 57.0°F |
| Oct 21 · 5:30 PM CDT | 57.0°F |
| Oct 21 · 5:24 PM CDT | 56.8°F |
| Oct 21 · 5:18 PM CDT | 56.8°F |
| Oct 21 · 5:12 PM CDT | 56.8°F |
| Oct 21 · 5:06 PM CDT | 56.8°F |
| Oct 21 · 5:00 PM CDT | 56.8°F |
| Oct 21 · 4:54 PM CDT | 56.8°F |
| Oct 21 · 4:48 PM CDT | 56.8°F |
| Oct 21 · 4:42 PM CDT | 56.8°F |
| Oct 21 · 4:36 PM CDT | 56.8°F |
| Oct 21 · 4:30 PM CDT | 56.8°F |
| Oct 21 · 4:24 PM CDT | 56.8°F |
| Oct 21 · 4:18 PM CDT | 56.8°F |
| Oct 21 · 4:12 PM CDT | 56.8°F |
| Oct 21 · 4:06 PM CDT | 56.8°F |
| Oct 21 · 4:00 PM CDT | 56.8°F |
| Oct 21 · 3:54 PM CDT | 56.8°F |
| Oct 21 · 3:48 PM CDT | 56.8°F |
| Oct 21 · 3:42 PM CDT | 56.8°F |
| Oct 21 · 3:36 PM CDT | 56.8°F |
| Oct 21 · 3:30 PM CDT | 56.8°F |
| Oct 21 · 3:24 PM CDT | 56.8°F |
| Oct 21 · 3:18 PM CDT | 56.8°F |
| Oct 21 · 3:12 PM CDT | 56.8°F |
| Oct 21 · 3:06 PM CDT | 56.8°F |
| Oct 21 · 3:00 PM CDT | 56.8°F |
| Oct 21 · 2:54 PM CDT | 56.8°F |
| Oct 21 · 2:48 PM CDT | 56.8°F |
| Oct 21 · 2:42 PM CDT | 56.8°F |
| Oct 21 · 2:36 PM CDT | 56.8°F |
| Oct 21 · 2:30 PM CDT | 56.8°F |
| Oct 21 · 2:24 PM CDT | 56.8°F |
| Oct 21 · 2:18 PM CDT | 56.8°F |
| Oct 21 · 2:12 PM CDT | 56.8°F |
| Oct 21 · 2:06 PM CDT | 56.8°F |
| Oct 21 · 2:00 PM CDT | 56.8°F |
| Oct 21 · 1:54 PM CDT | 56.8°F |
| Oct 21 · 1:48 PM CDT | 57.0°F |
| Oct 21 · 1:42 PM CDT | 57.0°F |
| Oct 21 · 1:36 PM CDT | 57.0°F |
| Oct 21 · 1:30 PM CDT | 57.0°F |
| Oct 21 · 1:24 PM CDT | 56.8°F |
| Oct 21 · 1:18 PM CDT | 57.0°F |
| Oct 21 · 1:12 PM CDT | 57.0°F |
| Oct 21 · 1:06 PM CDT | 57.0°F |
| Oct 21 · 1:00 PM CDT | 57.0°F |
| Oct 21 · 12:54 PM CDT | 57.0°F |
| Oct 21 · 12:48 PM CDT | 57.0°F |
| Oct 21 · 12:42 PM CDT | 57.0°F |
| Oct 21 · 12:36 PM CDT | 57.0°F |
| Oct 21 · 12:30 PM CDT | 57.0°F |
| Oct 21 · 12:24 PM CDT | 57.0°F |
| Oct 21 · 12:18 PM CDT | 57.0°F |
| Oct 21 · 12:12 PM CDT | 57.0°F |
| Oct 21 · 12:06 PM CDT | 57.0°F |
| Oct 21 · 12:00 PM CDT | 57.0°F |
| Oct 21 · 11:54 AM CDT | 57.0°F |
| Oct 21 · 11:48 AM CDT | 57.0°F |
| Oct 21 · 11:42 AM CDT | 57.2°F |
| Oct 21 · 11:36 AM CDT | 57.0°F |
| Oct 21 · 11:30 AM CDT | 57.0°F |
| Oct 21 · 11:24 AM CDT | 57.2°F |
| Oct 21 · 11:18 AM CDT | 57.2°F |
| Oct 21 · 11:12 AM CDT | 57.2°F |
| Oct 21 · 11:06 AM CDT | 57.2°F |
| Oct 21 · 11:00 AM CDT | 57.2°F |
| Oct 21 · 10:54 AM CDT | 57.2°F |
| Oct 21 · 10:48 AM CDT | 57.2°F |
| Oct 21 · 10:42 AM CDT | 57.2°F |
| Oct 21 · 10:36 AM CDT | 57.2°F |
| Oct 21 · 10:30 AM CDT | 57.2°F |
| Oct 21 · 10:24 AM CDT | 57.2°F |
| Oct 21 · 10:18 AM CDT | 57.2°F |
| Oct 21 · 10:12 AM CDT | 57.2°F |
| Oct 21 · 10:06 AM CDT | 57.2°F |
Latest 120 observations shown in this table.
A LITTLE LONGER VIEW
Seasonal water temperatures
NOAA station observations · 2021–2025 baseline. Each published month has at least three qualifying years.
| Month | Mean | 10th–90th percentile | Years used |
|---|---|---|---|
| May | 50.3°F | 46.9°F – 53.4°F | 2021, 2023, 2024, 2025 |
| Jun | 57.4°F | 53.6°F – 61.0°F | 2021, 2022, 2023, 2024, 2025 |
| Jul | 63.5°F | 60.3°F – 67.5°F | 2021, 2022, 2023, 2024, 2025 |
| Aug | 65.1°F | 62.4°F – 67.5°F | 2021, 2022, 2023, 2024, 2025 |
| Sep | 63.7°F | 61.3°F – 65.3°F | 2021, 2022, 2023, 2024, 2025 |
| Oct | 59.0°F | 55.4°F – 62.1°F | 2021, 2022, 2023, 2024, 2025 |
| Nov | 52.0°F | 50.0°F – 54.3°F | 2021, 2023, 2024, 2025 |
Hourly UTC observations, at least 70% coverage per station-month-year and at least three qualifying years per calendar month; 10th–90th percentiles of qualifying hourly observations.
BEHIND THE NUMBER
Know where your reading comes from.
A Duluth station observation for western Lake Superior. This is a local reading rather than the average of the whole lake.
- Monitoring station
- Duluth · NOAA 9099064
- Coordinates
- 46.77575, -92.09203
- Water body
- Lake Superior
- Source relationship
- Official NOAA station location; observation applies to the named sensor.
- Last successful collection
- Oct 21, 2026 · 10:10 PM CDT
To report an issue, include the station ID, observation time and source link when contacting the site operator. Read our methodology.
A LITTLE FARTHER ALONG
Nearby stations to compare
Ohio · Lake
Toledo
Lake Erie
61.9°F+0.7° vs 24h ago
Great LakesLocal observationLake levels, rather than ocean tides
Observed
Ohio · Lake
Cleveland
Lake Erie
62.4°F+0.0° vs 24h ago
Great LakesLocal observationLake levels, rather than ocean tides
Observed
New York · Lake
Buffalo
Lake Erie
60.1°F+0.0° vs 24h ago
Great LakesLocal observationLake levels, rather than ocean tides
Observed