Surf Forecast Surf Report
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Surf Forecasts

Union Bay surfForecast / Lake Superior / USA

information circle48hr Weather and Surf, issued 7 pm Wednesday 30 Apr 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
2.3° C
 (Which is normal for this time of year)

How big are the waves at Union Bay today?

The current surf forecast for Union Bay at 2AM is: 0.2m 4s primary swell from a East direction (forecast issued at 07:00pm April 30). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (EDT) & DateWave HeightWave Period
Morning (01 May)0.5ft (0.2m)4s
Afternoon (01 May)1.5ft (0.4m)3s
Evening (01 May)4ft (1.2m)5s

Table - waves today at Union Bay. (Swell directed towards the surf break)

Hourly12 Days
Lake Superior Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Wednesday
30
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thu
08
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
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
See all maps
Wave Height (m) & direction (?)
0.4
ESE
0.5
E
0.4
ESE
0.2
E
0.1
E
0.1
E
0.1
E
0.1
E
0.6
NE
1.1
NE
1.3
NE
1.2
NE
1.1
NE
1
NNE
0.9
NNE
0.5
NNE
0.3
NNE
0.2
ENE
0.1
NE
0.1
NE
0.1
E
0.1
E
0.4
SW
0.5
SW
0.6
SW
0.5
SW
0.2
WNW
0.4
SW
0.4
ENE
0.5
E
0.5
E
0.5
E
0.5
E
0.5
E
0.5
E
0.1
NE
0.2
E
0.1
E
0.1
E
0.1
E
0.4
SSW
0.5
S
0.5
S
0.5
S
0.5
SSW
0.6
SSW
0.2
WNW
0.3
N
0.4
NE
0.4
NE
——————————
Period(s) (?)34444554455555544554443344343344444344443444442233----------
Wave
Graph
(?)Metric surfscale
Energy (?)07510001114996806054321132110000001035677770100000000011240000000000
Wind
(km/h)
5
SSE
10
S
15
S
15
S
15
SSE
10
SSE
10
ESE
10
ENE
15
NE
10
E
10
SE
10
ENE
25
ENE
25
NE
25
NE
25
NE
15
NE
5
ENE
5
WNW
5
WSW
10
SW
10
SW
10
W
10
W
10
WSW
10
SW
15
SSW
15
SSW
15
SSW
10
SW
15
W
10
NW
5
NNE
10
E
10
SSE
10
SW
5
SSW
10
S
15
SSW
10
SW
5
SW
5
S
15
SSW
15
SSW
10
SW
5
WNW
10
NE
15
NE
10
NE
5
E
10
SE
5
S
10
SSW
10
SSW
10
SW
5
WSW
5
SSW
5
S
10
SW
15
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassoffoffoffoffcross-
off		cross-
off		crosscross-
on		crosscross-
off		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		glassglasscross-
off		cross-
off		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
on		glasscrossoffcross-
off		offoffoffcross-
off		glassoffcross-
off		offcross-
off		glasscross-
on		cross-
on		cross-
on		crosscross-
off		glasscross-
off		offcross-
off		glassglassglasscross-
off		cross-
off
High Tide
/ height (m)
n/a
n/a
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Low Tide
/ height (m)
n/a
n/a
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Wednesday
30
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thu
08
Sunrise-----6:43-------6:41-------6:39-------6:39-------6:37-------6:35-------6:33------
Sunset-9:06-------9:07-------9:08-------9:09-------9:12-------9:13-------9:14-------9:15--
part cloudpart cloudpart cloudpart cloudpart cloudpart cloudcloudcloudcloudcloudcloudlight rainlight rainlight rainlight snowlight snowcloudpart cloudcloudpart cloudclearclearclearclearclearclearclearclearpart cloudpart cloudclearclearpart cloudclearclearclearclearclearclearclearclearclearclearclearpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudclearclearpart cloudcloudclearpart cloudclearclearclearclear
Rain (mm)
-----------244----------------------------------------------
Temp. °C1313998812131111108532212210257910887811121212121191117201918151311111111101011111112151620201715
Feels °C (?)1110555510107885-1-4-5-4-4-1-1-2-4-2135744357911101097914181817121091098789101011141620201512
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Union Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Union Bay at:
surf-forecast.com

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