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Union Bay Surf Forecast
/ Lake Superior (10 breaks) / Michigan (11 breaks) /
Surf Forecasts:
Union Bay surfForecast / Lake Superior / USA
48hr Weather and Surf, issued 7 pm Saturday 23 May 2026 EDTForecast update in hr min s Forecast update imminent
Union Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Union Bay sea temperature is
4.8° C
(Which is 1.8°C warmer than normal for this time of year)How big are the waves at Union Bay today?
The current surf forecast for Union Bay at 12AM is: 0.6m 6s primary swell from a East direction and 0.2m 3s secondary swell from a North-northeast direction, 0.2m 3s secondary swell from a North-northeast direction (forecast issued at 07:00pm May 23). The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 May) | 1.5ft (0.4m) | 6s |
| Afternoon (24 May) | 0.5ft (0.2m) | 5s |
| Evening (24 May) | 0.5ft (0.1m) | 5s |
Table - waves today at Union Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 15mm), heaviest on Sat night. Warm (max 20°C on Mon night, min 9°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 23 | Sunday 24 | Monday 25 | Tue 26 | |||||||||||||||||||||
5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 5 | E 6 | E 5 | E 6 | E 6 | ESE 7 | E 6 | E 6 | E 6 | E 5 | SW 2 | SW 2 | WSW 2 | — | — | — | — | — | — | — | — | — | — | — | |
28 | 33 | 25 | 26 | 13 | 15 | 7 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-off | cross-off | cross-off | cross | cross | cross | glassy | glassy | glassy | off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | glassy | off | cross-off | cross-off | cross | on | |
High Tide | ||||||||||||||||||||||||
Low Tide | ||||||||||||||||||||||||
 | |  | |  |  | | | | | |  | |  | |  | |  |  | | | | | | |
 | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:11 | — | — | — |
 | — | 9:35 | — | — | — | — | — | — | — | 9:36 | — | — | — | — | — | — | — | 9:37 | — | — | — | — | — | 9:37 |
1 | 3 | 1 | 1 | — | — | — | — | — | 2 | 1 | — | 1 | 1 | — | 1 | 1 | — | 1 | 2 | — | — | — | — | |
Temp °C | 13 | 12 | 14 | 12 | 9 | 9 | 11 | 13 | 16 | 13 | 14 | 13 | 13 | 14 | 18 | 19 | 18 | 20 | 17 | 16 | 16 | 15 | 15 | 15 |
11 | 11 | 14 | 10 | 6 | 6 | 9 | 12 | 15 | 13 | 13 | 12 | 12 | 13 | 17 | 19 | 18 | 19 | 19 | 15 | 14 | 13 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | — | E 6 | NNE 3 | E 6 | E 6 | ESE 7 | E 6 | E 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
 kJ | — | 31 | 1 | 26 | 13 | 15 | 7 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SE 4 | SSE 3 | SE 4 | E 6 | E 6 | E 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 2 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 5 | ENE 5 | E 5 | SE 4 | — | — | SW 2 | SW 3 | SW 3 | SSW 3 | SW 2 | SW 2 | WSW 2 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 28 | 33 | 25 | 2 | — | — | 1 | 4 | 2 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1514 | 0 | 1557 | 1562 | 1562 | 1562 | 1481 | 1481 | 1480 | 1470 | 1470 | 1445 | 1445 | 1443 | 1442 | 1441 | 1441 | 1441 | 1441 | 1441 | 1443 | 1443 | 1454 | 1441 |
Best forecast wave conditions in Lake Superior | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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