Ontonagon Surf Break

Lat Long: 46.89° N 89.30° W

Ontonagon, United States Weather Observations

Issued: 1 pm 06 Aug 2026 (local time)

Forecast update in  hr  min

Today's Ontonagon sea temperature is
16.7° C
1.5° 

Ontonagon surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Current weather conditions and live observations for Ontonagon based on the nearest weather station observations (including METAR, SYNOP, ship and quickscat wind data). This is the most reliable place on surf-forecast.com to see what is happening with the weather in Ontonagon right now. Also check out the current weather map overlays on our dynamic weather maps.

Current Weather near Ontonagon

as reported by 5 closest weather stations

Weather Station WeatherWindGustsTemp.Visibility
Visibility /
Cloud

BUOY-OTNM4

3 km SSW3 m above sea level

1 hour ago
15
light winds from the SW
(13 km/h at 220°)
29.8 °C-
-


BUOY-45216

4 km W3 m above sea level

2 hours ago
5
calm
(4 km/h at 130°)
23.9 °C-
-


West Superior Buoy- 30NM NE of Outer Island

62 km WNW3 m above sea level

1 hour ago
5
light winds from the S
(7 km/h at 180°)
16.5 °C-
-


North Entry Buoy- North Keweenaw Peninsula

67 km NE3 m above sea level

2 hours ago
10
light winds from the S
(11 km/h at 190°)
23.5 °C-
-


South Entry Buoy- South Keweenaw Peninsula

69 km E3 m above sea level

2 hours ago
10
light winds from the S
(11 km/h at 190°)
22.6 °C-
-


Hancock Airport

70 km ENE715 m above sea level

2 hours ago
clearClear
15
light winds from the S
(17 km/h at 190°)
27.8 °C16
16


Ironwood Airport

75 km SW720 m above sea level

2 hours ago
clearClear
20
moderate winds from the SSW
(22 km/h at 210°)
27.8 °C16
16


Kings Land O' Lakes Airport

83 km S721 m above sea level

2 hours ago
clearClear
5
light winds from the SSW
(6 km/h at 210°)
26.0 °C16
16


Winchester

84 km S500 m above sea level

40 minutes ago
dry
10
light winds from the SW
(11 km/h at 234°)
25
24 °C-
-
-
-
0

BUOY-GTRM4

87 km ENE3 m above sea level

1 hour ago
10
light winds from the S
(8 km/h at 170°)
20.4 °C-
-


* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones. We also include passing Ship data if it is recorded close to Ontonagon and within an acceptable time window.

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