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Surf Forecasts

Grand Marias surfForecast / Lake Superior / USA

information circle12 Day Weather and Surf, issued 6 am Friday 27 Dec 2024 EST
Forecast update in hr  min  s Forecast 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
5.1° C
 (Which is 1.8°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Grand Marias this week:

The most powerful waves expected at Grand Marias in the next 12 days are 1.5m 6s and forecast to arrive on Wednesday (Jan 01) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Saturday (Dec 28) at 4AM.

Wave TypeTime (EST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful10PM (Wed 1st Jan)5ft (1.5m) 6s

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

Hourly12 Days
Lake Superior Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Tuesday
07
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
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
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
S
0.9
SSE
0.1
NE
0.3
ENE
1.1
S
1.1
SW
0.1
W
0.2
W
0.5
W
0.6
WNW
0.8
WNW
0.8
WNW
0.7
NW
0.8
NW
1
NW
1
NNW
1.2
NW
1.4
NW
——————————————————
Period(s) (?)447855554455555566------------------
Wave
Graph
(?)Metric surfscale
Energy (?)00212001271529262326525692152000000000000000000
Wind
(km/h)
20
S
20
SE
30
SE
25
SE
30
SW
15
SW
10
E
10
N
25
NNW
30
NW
25
NW
15
WNW
15
NW
10
WNW
25
WNW
25
W
25
W
25
W
25
WNW
30
WNW
30
NW
30
NW
35
NNW
30
NNW
25
NNW
20
NNW
5
NNE
15
SE
20
ESE
40
ESE
50
E
40
E
35
ENE
35
ENE
25
NE
10
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crossononcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscrosscrosscrosscrosscrosscross-
on		cross-
on		cross-
on		cross-
on		oncross-
on		glasscross-
off		cross-
off		cross-
off		crosscrosscross-
on		cross-
on		cross-
on		cross
High Tide
/ height (m)
n/a
n/a
n/a
n/a
n/a
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Low Tide
/ height (m)
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
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Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
Saturday
04
Sunday
05
Monday
06
Tuesday
07
Sunrise8:27--8:27--8:27--8:27--8:27--8:27--8:27--8:27--8:27--8:27--8:27--8:27--
Sunset-5:02--5:04--5:05--5:05--5:05--5:06--5:07--5:07--5:08--5:09--5:12--5:13-
cloudcloudlight rainlight rainlight rainpart cloudcloudcloudcloudcloudpart cloudpart cloudpart cloudcloudcloudcloudcloudlight snowlight snowlight snowlight snowlight snowlight snowcloudpart cloudclearpart cloudcloudcloudlight snowlight snowlight snowlight snowcloudcloudcloud
Rain (mm)
--423-------------------------------
Temp. °C54564444444333200-2-1-2-2-3-3-2-2-3-5-4-3-2-4-3-4-4-4-5
Feels °C (?)0-1-20-3-210-1-3-3-3-2-1-5-7-8-10-9-11-10-13-13-10-10-10-10-10-11-12-16-14-14-13-12-11

Short Range Forecast: Light rain (total 9mm), mostly falling on Fri night. Mild temperatures (max 6°C on Sat morning, min 2°C on Sat night). Winds decreasing (fresh winds from the SE on Fri night, calm by Sun morning).

Days 3-6 Weather Summary A dusting of new snow. Icy conditions (max 4°C on Mon morning, min -2°C on Wed night). Wind will be generally light.

Days 6-9 Weather Summary A moderate fall of snow, heaviest on Thu morning. Temperatures will be below freezing (max -1°C on Thu morning, min -5°C on Sat night). Winds decreasing (fresh winds from the NNW on Fri afternoon, calm by Sat night).

Long Range Forecast: A moderate fall of snow, heaviest on Mon morning. Temperatures will be below freezing (max -2°C on Sun night, min -7°C on Tue night). Winds decreasing (strong winds from the E on Sun night, calm by Tue night).

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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View detailed surf forecast for Grand Marias at:
surf-forecast.com

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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