Union Bay surfForecast / Lake Superior / USA

information circle48hr Weather and Surf, issued 1 am Friday 11 Jul 2025 EDT
Forecast 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
11.9° C
(Which is 2.9°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 6AM is: 0.2m 3s primary swell from a East-southeast direction (forecast issued at 01:00am July 11). The wind direction is predicted to be cross-offshore.

Updates in  hr  min  s Forecast update imminent
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.3
ESE
0.3
ESE
0.2
ESE
0.2
E
0.4
NE
0.3
ENE
0.2
E
0.3
WSW
0.4
WSW
0.6
WSW
0.7
WSW
0.6
W
0.5
W
0.5
W
0.5
W
0.6
WSW
0.7
SW
0.7
SW
0.6
SW
0.6
SW
0.7
SW
0.8
SW
0.7
SW
0.6
SW
0.6
WSW
0.5
SW
0.4
SW
0.2
SSW
0.3
ESE
0.4
SE
0.4
S
0.4
S
0.2
SSW
0.3
NE
0.4
NE
0.4
NNE
0.5
N
0.5
NNE
0.5
NNE
0.5
NNE
0.5
NNE
0.4
N
0.4
N
0.4
NNW
Period(s) (?)343-----3333334444444444444444433-3343333444444433----------
Wave
Graph
(?)Metric surfscale
Energy (?)231000001331000000000000000000000000000124677774330000000000
Wind
(km/h)
5
SSW
10
SSW
5
S
10
SW
0
WNW
5
E
10
NNW
10
ESE
10
SSE
10
SSW
10
SW
10
W
10
W
15
W
10
WSW
10
WSW
15
WSW
15
WSW
15
WSW
20
WSW
20
WSW
15
W
10
W
10
SSW
20
SSW
20
SSW
20
SW
15
WSW
10
NNW
10
NE
10
ENE
10
E
10
SE
15
SE
15
SE
10
SSW
15
W
15
NNW
5
ESE
5
NNW
5
NNE
10
NNW
10
NE
5
N
15
N
10
NNE
10
E
5
NE
5
ESE
5
SE
5
SSE
5
SW
5
NW
0
NNE
10
S
10
S
10
SW
10
SSW
15
SW
15
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
off
offcross-
off
glassglassoncross-
off
cross-
off
cross-
off
cross-
off
crosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
oncross-
on
crosscrosscross-
off
cross-
off
cross-
off
cross-
off
crosscross-
on
glassonglassoncross-
on
ononcross-
on
crossglassglassglasscross-
off
glassglassglassoffoffcross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
n/a
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Low Tide
/ height (m)
n/a
n/a
n/a
n/a
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Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Sunrise---6:15-------6:16-------6:16-------6:16-------6:18-------6:18-------6:20-------6:20
Sunset-------9:52-------9:51-------9:50-------9:50-------9:49-------9:47-------9:46----
cloudpart cloudpart cloudpart cloudpart cloudcloudcloudpart cloudpart cloudrain showersrain showersrain showerslight raincloudrain showersclearclearclearclearclearclearclearclearclearpart cloudpart cloudclearlight raincloudpart cloudpart cloudclearclearclearpart cloudlight rainrain showerslight rainlight raincloudcloudpart cloudpart cloudclearclearclearpart cloudpart cloudpart cloudcloudcloudcloudcloudcloudcloudcloudclearclearclearclear
Rain (mm)
---------1131-1------------1-------2211---------------------
Temp. °C201918181921201920191817161517191717161719222426222119181516171717171820181413151413121112131516141415151614151512111113
Feels °C (?)222019192122202021211917161417201515141516202226202019181515161616151822181313151412101091013141212131315131313109810
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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