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Grand Marias location map

Grand Marias surf Forecast / Lake Superior / USA

12 Day Weather and Surf, issued 7 pm Wednesday 24 Apr 2024 EDT
Forecast update in  hr  min  s Update imminent 
Grand Marias surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Grand Marias sea temperature is 2.5°C (Statistics for 24 Apr 1981-2005 - mean: 2.2 °C max: 3.2 °C min: 1.2 °C)
  • 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>
Grand Marias surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Grand Marias sea temperature is 2.5°C (Statistics for 24 Apr 1981-2005 - mean: 2.2 °C max: 3.2 °C min: 1.2 °C)

Best Forecast Surf Conditions for Grand Marias this week:

The surf forecast for Grand Marias over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Apr 29) at 2AM. The primary swell is predicted to be 1.5m and 6s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Grand Marias in the next 12 days are 1.5m 6s and forecast to arrive on Sunday (Apr 28) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 7s period and expected on Saturday (Apr 27) at 8AM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Mon 29th Apr)5ft (1.5m) 6s
Best Surf 5AM (Mon 29th Apr)4.5ft (1.4m) 6s
Most Powerful11PM (Sun 28th Apr)5ft (1.5m) 6s

Table - best surf conditions forecast for Grand Marias over the next 12 days.

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Quick surf report for Grand Marias:

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Hourly12 Days
Lake Superior Surf
Print Surf Table
Updates in  hr  min  s Update imminent 
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Mon
06
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
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
S
0.4
SE
0.7
SSE
1
SE
1.2
SE
0.2
ENE
0.3
ENE
1.4
SSE
1
W
1.1
NNE
1.2
NE
1.5
ENE
0.4
ENE
0.9
S
1
W
1.1
W
0.9
WNW
——————————————————
Period(s) (?)-33456886556655555------------------
Wave
Graph
(?)Metric surfscale
Energy (?)000000613051529214110006749000000000000000000
Wind
(km/h)
10
SSW
5
S
15
E
20
SSE
25
SSE
20
SSE
25
SE
25
SSE
25
S
20
W
20
NNE
25
ENE
20
ESE
20
S
25
SSW
15
WNW
15
W
10
WNW
10
WSW
10
WNW
5
NNW
15
WNW
10
WNW
10
WNW
15
ESE
15
SE
20
SSE
25
SE
20
SSE
10
SSW
5
W
5
SE
0
NW
5
WSW
5
N
5
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcrossoffcross-
off		cross-
off		cross-
off		offoffcrosscross-
on		cross-
on		cross-
off		offoffcrosscrosscrosscross-
off		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
off		cross-
off		offcross-
off		offcross-
off		crossglassglassglassonon
High Tide
/ height (m)
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Low Tide
/ height (m)
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Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Mon
06
Sunrise-6:37--6:35--6:35--6:33--6:31--6:30--6:28--6:26--6:24--6:24--6:22--6:20-
Sunset--8:45--8:47--8:49--8:50--8:52--8:52--8:53--8:55--8:57--8:58--9:00--9:00
clearclearclearclearpart cloudcloudlight rainlight rainrain showerslight rainlight rainlight rainheavy rainmod rainclearlight raincloudcloudpart cloudclearclearpart cloudcloudpart cloudpart cloudcloudlight rainlight rainlight rainlight raincloudcloudlight raincloudpart cloudpart cloud
Rain (mm)
------131111137-1----------2521--1---
Temp. °C0688812911141345101217106877986981315121114121211111312
Feels °C (?)-52422627109-1-1691353544763669108713111210111211

Short Range Forecast: Light rain (total 5mm), mostly falling on Sat morning. Icy conditions (max 14°C on Sat afternoon, min -2°C on Wed night). Winds increasing (light winds from the S on Thu morning, fresh winds from the SE by Fri night).

Days 3-6 Weather Summary Heavy rain (total 24mm), heaviest during Sun night. Very mild (max 17°C on Mon afternoon, min 4°C on Sat night). Wind will be generally light.

Days 6-9 Weather Summary Light rain (total 2mm), mostly falling on Fri afternoon. Very mild (max 15°C on Fri afternoon, min 4°C on Wed night). Wind will be generally light.

Long Range Forecast: Light rain (total 9mm), mostly falling on Fri night. Very mild (max 14°C on Sat afternoon, min 9°C on Sat night). Wind will be generally light.

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 Grand Marias 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.


Information about the Grand Marias Surf forecast

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

Grand Marias is 100 km (62 miles) from Marquette. If you plan a vacation in Lake Superior, look for hotels and other accommodation in Marquette. Marquette has rooms for a wide range of budgets as well as car hire and transport links.

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