Midshore Bay surf break

Midshore Bay surfForecast / Canterbury / New Zealand

information circle12 Day Weather and Surf, issued 11 am 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 6PM. The primary swell is predicted to be 1.5m and 8s period with a secondary swell of 0.1m and 10s. Another secondary swell of 0.3m and 9s is also forecast. The wind is predicted to be cross-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+) 6PM (Wed 9th Jul)5ft (1.5m) 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
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.4
ENE
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
Period(s) (?)778812121281012111111111011111111111010111011111110101099810169
Wave
Graph
(?)Metric surfscale
Energy (?)18824210044625894614815144951142590374717611840443335328312241197175142266480520611210183166101954541474521
Wind
(km/h)
10
NNE
15
NE
15
N
10
NNW
5
NNE
10
NNW
10
NNE
15
NE
15
NNE
15
NNW
15
NNW
20
N
20
NE
25
NNE
20
N
20
N
10
WNW
5
NW
5
N
10
NE
15
N
35
NW
45
NW
20
NNW
20
NNW
20
NNW
40
NW
5
WNW
20
NE
10
WNW
10
WNW
5
SSE
5
W
5
NW
10
ENE
5
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
offoffoffcross-
off
offcross-
off
cross-
off
cross-
off
offoffcross-
off
offoffoffcross-
off
cross-
off
offcross-
off
offcross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glasscrossglasscross-
off
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)
9:23AM
0.38
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
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Sunrise7:58--7:58--7:58--7:56--7:56--7:56--7:56--7:54--7:54--7:54--7:52--7:52--
Sunset-5:07--5:08--5:08--5:09--5:10--5:12--5:13--5:13--5:14--5:15--5:15--5:16-
cloudcloudpart cloudclearpart cloudpart cloudpart cloudcloudpart cloudpart cloudcloudpart cloudcloudcloudcloudcloudclearpart cloudpart cloudlight rainpart cloudclearpart cloudpart cloudpart cloudpart cloudclearpart cloudcloudclearclearclearclearclearclearclear
Rain (mm)
-------------------1----------------
Temp. °C810111315111312111314121213121313911121112111012131210118101189108
Feels °C (?)467111391095101087778107894013777764896776

Short Range Forecast: Mostly dry. Very mild (max 15°C on Thu afternoon, min 7°C on Wed morning). Winds increasing (light winds from the NNE on Thu morning, fresh winds from the NE by Fri afternoon).

Days 3-6 Weather Summary Mostly dry. Very mild (max 14°C on Sat afternoon, min 8°C on Mon night). Wind will be generally light.

Days 6-9 Weather Summary Some drizzle, heaviest during Tue afternoon. Very mild (max 13°C on Thu afternoon, min 7°C on Tue morning). Winds increasing (light winds from the N on Tue morning, near gales from the NW by Wed morning).

Long Range Forecast: Mostly dry. Very mild (max 11°C on Fri afternoon, min 5°C on Sun night). Wind will be generally light.

  • 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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