Surf Forecasts:
How big are the waves at Ontonagon today (04 Oct):
- Morning surf: Morning surf (04 Oct, local time) - 4.5ft (1.3m), 5s period with WNW swell.
- Afternoon surf: Afternoon surf (04 Oct, local time) - 4ft (1.2m), 5s period with WNW swell.
- Evening surf: Evening surf (04 Oct, local time) - 3.5ft (1.0m), 5s period with NW swell.
The current surf forecast for Ontonagon at 5AM is: 0.9m 4s primary swell from a West-northwest direction (forecast issued at 01:00am October 04). An open ocean swell of 1.0m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Oct) | 4.5ft (1.3m) | 5s |
| Afternoon (04 Oct) | 4ft (1.2m) | 5s |
| Evening (04 Oct) | 3.5ft (1.0m) | 5s |
Table - waves today at Ontonagon. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Mon night. Very mild (max 18°C on Tue afternoon, min 9°C on Mon morning). Winds decreasing (fresh winds from the WNW on Sun morning, light winds from the N by Mon afternoon). | ||||||||||||||||||||||||
Sunday 4 | Monday 5 | Tuesday 6 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SSW 5 | WNW 4 | NW 5 | NW 5 | WNW 5 | WNW 5 | NW 5 | NW 4 | NW 4 | NW 4 | NW 4 | NW 4 | NNW 3 | — | — | SSE 2 | SSE 4 | S 5 | S 5 | S 6 | SSW 6 | SW 5 | SW 5 | WSW 5 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 0 | 30 | 59 | 87 | 90 | 59 | 51 | 26 | 23 | 16 | 14 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross | cross-off | cross-off | off | off | cross-off | cross-off | cross | cross-off | cross |
High Tide | ||||||||||||||||||||||||
Low Tide | ||||||||||||||||||||||||
 |  |  | |  | | |  | | | | | | |  | |  | | | | | | | | |
 | — | 7:58 | — | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:02 | — | — | — | — | — |
 | — | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:29 | — | — | — | — | — | — | — | 7:27 | — | — |
mm | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 12 | 11 | 13 | 15 | 14 | 13 | 12 | 11 | 9 | 11 | 11 | 11 | 10 | 10 | 10 | 13 | 14 | 16 | 18 | 18 | 18 | 16 |
Feels °C | 10 | 8 | 6 | 5 | 7 | 10 | 10 | 8 | 7 | 6 | 5 | 7 | 8 | 8 | 6 | 6 | 4 | 7 | 9 | 12 | 15 | 15 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | S 6 | SW 6 | WSW 6 | SW 6 | — | — | — | — | W 4 | — | — | — | NNW 3 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 30 | 59 | 30 | 8 | — | — | — | — | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | SW 6 | SW 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 5 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 5 | WNW 4 | NW 5 | NW 5 | WNW 5 | WNW 5 | NW 5 | NW 4 | NW 4 | NW 4 | NW 4 | NW 4 | — | — | — | SSE 2 | SSE 4 | S 5 | S 5 | S 6 | SSW 6 | SW 5 | SW 5 | WSW 5 |
| kJ | 97 | 30 | 59 | 87 | 90 | 59 | 51 | 26 | 23 | 16 | 14 | 3 | — | — | — | 1 | 10 | 43 | 90 | 141 | 100 | 80 | 69 | 62 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1518 | 1700 | 1569 | 1517 | 1486 | 1496 | 1436 | 1423 | 510 | 510 | 510 | 552 | 1448 | 1462 | 1435 | 1519 | 1455 | 2063 | 2411 | 2556 | 2556 | 1548 | 1733 | 1733 |
Best forecast wave conditions in Lake Superior | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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