Slate Island wind

Slate Island is a weather buoy in the Lake Superior sailing area. Readings from Environment Canada.

Latest observation

Now 7 kn from ENE (57°), gusting 8 kn, 2026-11-04 01:05 UTC (Tuesday 3 Nov 20:05 America/Toronto). Air 10°C. 1008 hPa.

The last 24 hours

24 h: mean 12 kn, 24 readings, gust 29 kn, peak mean 22 kn, mostly SE (137°).

Recent readings

2026-11-04 01:05 UTC: 7 kn from ENE (57°), gust 8 kn
2026-11-04 00:05 UTC: 7 kn from ENE (62°), gust 8 kn
2026-11-03 23:05 UTC: 5 kn from ENE (57°), gust 6 kn
2026-11-03 22:05 UTC: 2 kn from W (268°), gust 4 kn
2026-11-03 21:05 UTC: 7 kn from SSE (164°), gust 8 kn
2026-11-03 20:05 UTC: 9 kn from S (177°), gust 11 kn
2026-11-03 19:05 UTC: 4 kn from S (188°), gust 4 kn
2026-11-03 18:05 UTC: 4 kn from SW (234°), gust 5 kn

Position 48.535, -86.953; exposure marine. Slate Island is on open water.

Forecast against this station

Judged on the forecast published by 6 am the same morning, over the last 7 days ECMWF IFS 0.25° has had the smallest wind-speed error at Slate Island: 1.9 kn on average across 55 hourly comparisons, against 2.3 kn for HRRR 3 km (NOAA).

Judged on the forecast published by 6 pm the evening before, over the last 7 days ECMWF IFS 0.25° has had the smallest wind-speed error at Slate Island: 1.8 kn on average across 55 hourly comparisons, against 2.5 kn for HRRR 3 km (NOAA).

How forecasts are checked.

Conditions map · All stations · Weather models

Stations near Slate Island

Terrace Bay Airport, 17.7 nm away