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Surf Forecasts:

Apostle Islands surfForecast / Lake Superior / USA

information circle12 Day Weather and Surf, issued 6 pm Thursday 18 Sep 2025 CDT
Forecast update in hr  min  s Forecast update imminent
Apostle Islands surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Apostle Islands sea temperature is
16.2° C
 (Which is 3.0°C warmer than normal for this time of year)
Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Very mild (max 18°C on Sat afternoon, min 15°C on Thu afternoon). Winds decreasing (strong winds from the ENE on Fri afternoon, calm by Sun morning).

Days 3-6 Weather Summary Mostly dry. Very mild (max 18°C on Sun afternoon, min 15°C on Mon morning). Winds increasing (calm on Sun afternoon, fresh winds from the NE by Wed morning).

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
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 (?)—————————————————————
Period(s) (?)---------------------
Wave
Graph
(?)Metric surfscale
Energy kJ (?)000000000000000000000
Wind
(km/h)
40
ENE
35
E
30
E
40
ENE
30
ESE
25
ESE
20
SE
15
SE
10
SW
5
ENE
10
ENE
20
ENE
25
NE
20
ENE
25
ENE
25
ENE
25
ENE
30
ENE
40
NE
25
ENE
40
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		crosscrosscross-
on		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		glasscrosscross-
on		cross-
on		cross-
on		crosscross-
on		crosscrosscross-
on		crosscross-
on
High Tide
/ height (m)
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n/a
n/a
n/a
Low Tide
/ height (m)
n/a
n/a
n/a
n/a
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Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Sunrise--6:43--6:45--6:46--6:48--6:48--6:50--6:52
Sunset7:07--7:06--7:04--7:01--7:00--6:58--6:55--
part cloud
cloud
part cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
clear
part cloud
cloud
cloud
part cloud
part cloud
light rain
light rain
Rain (mm)
-------------------23
Temp. °C151615161617181716181815151615151616171615
Feels °C (?)810109111516161618181312141111121111118
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Lake Superior

  1. weather stationWind Update The wind is still cross-on at Apostle Islands (light winds from the ENE at La Pointe (Wisconsin) 40 km from Apostle Islands). not gfswave

    1 hour 41 minutes ago Apostle Islands
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40 km away, 1 h 41 min ago

11 km/h
ENE
15.0
16.2
Air / Water (°C)
Please reload the page to see if there are any updates.

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 Apostle Islands 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 Apostle Islands at:
surf-forecast.com

Information about the Apostle Islands Surf forecast

The above surf forecast table for Apostle Islands provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Apostle Islands can be found by selecting the local surf guide option on the grey menu. Our Apostle Islands surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Apostle Islands) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Apostle Islands may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Apostle Islands is 129 km (80 miles) from Duluth. If you plan a vacation in Lake Superior, look for hotels and other accommodation in Duluth. Duluth has rooms for a wide range of budgets as well as car hire and transport links.

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