Midshore Bay surf break

Midshore Bay surfForecast / Canterbury / New Zealand

information circle12 Day Weather and Surf, issued 5 pm Wednesday 09 Jul 2025 NZST
Forecast update in hr  min  s Forecast update imminent
Midshore Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Midshore Bay sea temperature is
10.1° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Midshore Bay this week:

The surf forecast for Midshore Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 09) at 9PM. The primary swell is predicted to be 1.6m and 8s period with a secondary swell of 0.4m and 14s. Another secondary swell of 0.1m and 9s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Midshore Bay in the next 12 days are 4.0m 10s and forecast to arrive on Saturday (Jul 12) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Sunday (Jul 13) at 12PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Wed 9th Jul)5ft (1.6m) 8s
Best Surf12AM (Sat 12th Jul)13ft (4.0m) 10s
Most Powerful12AM (Sat 12th Jul)13ft (4.0m) 10s

Table - best surf conditions forecast for Midshore Bay over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Wed
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Mon
21
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.4
ENE
2.2
ENE
1.4
E
1.4
E
1.3
E
1.3
E
2
ENE
4
ENE
2.3
E
1.9
E
1.7
E
2.2
E
2.4
ENE
1.4
E
1.2
E
1.1
E
1.1
E
1
E
0.9
E
0.9
E
0.8
E
1
E
1.3
E
1.4
E
1.2
E
0.9
E
0.8
E
0.7
ESE
0.5
E
0.5
E
0.4
E
0.4
ENE
0.3
E
0.2
SSW
0.3
E
0.3
SSE
Period(s) (?)7881212128101211111111101111111111101011101111111010109981016916
Wave
Graph
(?)Metric surfscale
Energy (?)2421004462589461481514495114259037471761184044333532831224119717514226648052061121018316610195454147452172
Wind
(km/h)
15
NNE
15
NNE
5
NNW
5
NE
5
NNW
10
N
20
NE
15
NNE
10
NNW
10
N
15
N
10
N
10
NE
10
N
15
NNW
15
NNE
10
NNW
15
NNW
10
NE
30
NW
15
N
20
NW
20
N
10
NW
10
NNE
20
NNW
5
WSW
15
E
15
NE
10
NNW
20
NNW
15
NNE
15
N
35
NW
15
W
10
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
offoffcross-
off
offoffcross-
off
cross-
off
offoffoffoffcross-
off
offoffoffoffcross-
off
cross-
off
cross-
off
offcross-
off
offcross-
off
offoffcross-
on
crosscross-
off
offoffcross-
off
offcross-
off
crosscross-
off
High Tide
/ height (m)
3:46PM
1.83
4:03AM
1.70
4:29PM
1.86
4:45AM
1.71
5:12PM
1.89
5:28AM
1.73
5:54PM
1.91
6:11AM
1.73
6:38PM
1.91
6:56AM
1.74
7:23PM
1.91
7:44AM
1.75
8:10PM
1.89
8:34AM
1.77
9:00PM
1.88
9:28AM
1.80
9:53PM
1.86
10:26AM
1.84
10:50PM
1.85
11:25AM
1.89
11:49PM
1.85
12:25PM
1.95
12:49AM
1.87
Low Tide
/ height (m)
9:58PM
0.43
10:08AM
0.35
10:44PM
0.39
10:53AM
0.31
11:30PM
0.36
11:39AM
0.28
12:15AM
0.32
12:25PM
0.25
1:01AM
0.29
1:12PM
0.23
1:47AM
0.26
2:01PM
0.23
2:35AM
0.24
2:52PM
0.23
3:24AM
0.21
3:46PM
0.23
4:16AM
0.20
4:42PM
0.24
5:09AM
0.18
5:40PM
0.24
6:04AM
0.16
6:39PM
0.23
7:01AM
0.14
Wed
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Mon
21
Sunrise--7:58--7:58--7:56--7:56--7:56--7:56--7:54--7:54--7:54--7:52--7:52--7:50
Sunset5:07--5:08--5:08--5:09--5:10--5:12--5:13--5:13--5:14--5:15--5:15--5:16--
cloudpart cloudclearclearpart cloudcloudcloudpart cloudcloudpart cloudpart cloudclearpart cloudpart cloudcloudcloudpart cloudcloudcloudpart cloudclearpart cloudpart cloudclearpart cloudpart cloudpart cloudcloudpart cloudclearpart cloudpart cloudpart cloudpart cloudrain showerspart cloud
Rain (mm)
----------------------------------1-
Temp. °C1111131511121211131511131310121312121312131291213131098101413141199
Feels °C (?)881114910851013781078999107763101088546887336

Short Range Forecast: Mostly dry. Very mild (max 15°C on Thu afternoon, min 9°C on Thu night). Winds increasing (calm on Thu afternoon, fresh winds from the NE by Fri night).

Days 3-6 Weather Summary Mostly dry. Very mild (max 15°C on Sat afternoon, min 9°C on Sat night). Wind will be generally light.

Days 6-9 Weather Summary Mostly dry. Very mild (max 13°C on Tue afternoon, min 7°C on Wed night). Winds decreasing (fresh winds from the NW on Tue night, calm by Thu morning).

Long Range Forecast: Some drizzle, heaviest during Sun night. Very mild (max 14°C on Sat afternoon, min 4°C on Sun night). Winds decreasing (fresh winds from the NW on Sun afternoon, light winds from the N by Mon morning).

  • 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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Information about the Midshore Bay Surf forecast

The above surf forecast table for Midshore Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Midshore Bay can be found by selecting the local surf guide option on the grey menu. Our Midshore Bay 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 (Midshore Bay) 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 Midshore Bay 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 holiday in Canterbury? If you are looking for accommodation near Midshore Bay, camping, hotels and holiday cottages in Canterbury, consider staying in Christchurch which is 50 km (31 miles) away.

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