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Surf Forecasts:

Mackinac Island surfForecast / Lake Huron / USA

information circle12 Day Weather and Surf, issued 1 pm Tuesday 16 Sep 2025 EDT
Forecast update in hr  min  s Forecast update imminent
Mackinac Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mackinac Island sea temperature is
15.9° C
 (Which is slightly warmer than usual)
Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 20°C on Wed morning, min 12°C on Fri morning). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 8mm), mostly falling on Sun afternoon. Very mild (max 19°C on Sun night, min 14°C on Fri afternoon). Winds decreasing (strong winds from the ESE on Sat afternoon, calm by Sun night).

Tue
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
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)
15
ESE
10
S
5
W
0
NW
15
NNW
10
N
5
NE
25
ENE
25
E
15
ESE
25
ESE
30
ESE
35
ESE
25
SE
15
SE
10
E
20
SW
15
S
15
W
15
S
20
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
off		glassglasscross-
off		crossglassononcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
on		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
n/a
n/a
n/a
n/a
n/a
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n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
Low Tide
/ height (m)
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
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n/a
n/a
n/a
n/a
n/a
Tue
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Sunrise--7:16--7:18--7:20--7:20--7:22--7:22--7:24
Sunset7:46--7:45--7:43--7:40--7:38--7:37--7:35--
clear
clear
clear
clear
clear
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
light rain
clear
rain showers
light rain
light rain
part cloud
clear
part cloud
Rain (mm)
-------------1-232---
Temp. °C191820202017191813151515161717181918201918
Feels °C (?)181720202117191681111891315162018202017
  • 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 Huron

  1. weather stationWind Update Wind reports 14 km away suggest it is still onshore at Mackinac Island (light winds from the NE at BUOY-CYGM4). not gfswave

    37 minutes ago Mackinac Island
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Actual: 37 min ago

15 km/h
NE
Onshore
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 Mackinac Island 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 Mackinac Island at:
surf-forecast.com

Information about the Mackinac Island Surf forecast

The above surf forecast table for Mackinac Island provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Mackinac Island can be found by selecting the local surf guide option on the grey menu. Our Mackinac Island 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 (Mackinac Island) 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 Mackinac Island 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.

Are you planning a vacation in Lake Huron - United States? If you are looking for accommodation near Mackinac Island, camping, hotels and condos and appartments in Lake Huron - United States, consider staying in Sault Sainte Marie which is 84 km (52 miles) away.

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