Midshore Bay Surf Break

Midshore Bay Surf Forecast and Surf Report

Lat Long: 43.12° S 172.86° E

Issued: 5 pm 21 Jun 2026 (local time)

Forecast update in  hr  min

Today's Midshore Bay sea temperature is
11.9° C

1.7°C warmer than normal for this time of year

Midshore Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Midshore Bay surf forecast from 21 Jun 2026:

  • Best quality surf: Monday 22 Jun, 3PM (local time) - 3.5ft (1.1m), 18s period, SE swell with cross-offshore winds.
  • Most powerful swell: Friday 26 Jun, 9PM (local time) - 7ft (2.1m), 11s period, E swell with 1,011 kJ wave energy.
  • Next surfable swell (1★+): Monday 22 Jun, 9AM (local time) - 1.5ft (0.4m), 14s period with SE swell.

Best Forecast Surf Conditions for Midshore Bay this week:

The surf forecast for Midshore Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jun 22) at 9AM. The primary swell is predicted to be 0.4m and 14s period with a secondary swell of 0.2m and 18s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Midshore Bay in the next 16 days are 2.1m 11s and forecast to arrive on Friday (Jun 26) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Tuesday (Jun 23) at 12AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Mon 22nd Jun)1.5ft (0.4m) 14s
Best Surf 3PM (Mon 22nd Jun)3.5ft (1.1m) 18s
Most Powerful 9PM (Fri 26th Jun)7ft (2.1m) 11s

Table - best surf conditions forecast for Midshore Bay over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Sun afternoon. Very mild (max 11°C on Mon afternoon, min 6°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 30mm), heaviest during Fri afternoon. Very mild (max 11°C on Fri morning, min 7°C on Wed night). Winds increasing (calm on Wed afternoon, strong winds from the WSW by Thu morning).

Sun
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
0
1
3
2
1
1
1
0
0
0
0
0
0
2
0
0
0
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
ENE
10
0.2
ENE
10
0.4
SE
14
1.1
SE
18
0.8
SSE
16
0.6
SSE
14
0.5
SE
13
0.4
SSE
12
0.4
ENE
7
0.2
SSE
15
1
E
7
0.9
ENE
8
0.9
ENE
9
1
E
10
1.8
ESE
10
2
E
10
1.9
E
11
1.4
E
11
1.4
E
11
1.1
E
11
1
E
11
Wave Graph
Metric surfscale
Energy kJ
10
9
50
727
330
123
79
55
20
22
103
118
141
225
600
802
810
451
442
267
229
Wind (km/h)
5
ENE
5
NNW
10
NNW
10
NE
5
NNW
10
NW
5
ESE
5
WNW
5
N
5
ENE
15
SW
40
WSW
40
SW
40
SW
10
SSW
20
SW
30
SW
35
SW
30
SW
15
WSW
5
NW
Wind State
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
High Tide
10:21PM1.96m
10:53AM1.85m
11:17PM1.88m
11:50AM1.82m
00:11AM1.80m
12:43PM1.79m
1:01AM1.75m
1:32PM1.79m
1:49AM1.71m
2:19PM1.79m
2:35AM1.70m
3:02PM1.81m
3:19AM1.70m
Low Tide
4:06PM0.14m
4:39AM0.14m
5:02PM0.23m
5:32AM0.20m
5:56PM0.30m
6:22AM0.26m
6:49PM0.37m
7:10AM0.32m
7:40PM0.41m
7:56AM0.36m
8:28PM0.44m
8:41AM0.38m
9:14PM0.44m
9:25AM0.38m
light rain
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
light rain
light rain
cloud
mod rain
rain showers
heavy rain
light rain
cloud
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
8:00
8:00
8:00
8:00
8:00
8:00
8:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:59
5:00
5:00
5:00
5:00
5:00
5:00
5:01
 mm
1
5
1
8
1
12
3
Temp °C
8
8
10
11
9
9
11
8
9
9
8
8
8
9
11
11
10
9
9
8
9
Feels °C
7
5
8
7
6
6
9
6
7
7
6
-1
-1
0
8
7
5
1
3
3
7
Swell 1
Height (m)
Direction
Period (s)
0.4
SE
4
0.2
ENE
10
0.4
SE
14
1.1
SE
18
0.8
SSE
16
0.6
SSE
14
0.5
SE
13
0.4
SSE
12
0.4
ENE
7
0.4
ENE
6
1
E
7
0.9
ENE
8
0.9
ENE
9
1
E
10
1.8
ESE
10
2
E
10
1.9
E
11
1.4
E
11
1.4
E
11
1.1
E
11
1
E
11
Energy kJ
4
9
50
727
330
123
79
55
15
14
103
118
141
225
600
802
810
451
442
267
229
Swell 2
Height (m)
Direction
Period (s)
0.2
ENE
10
0.2
SSE
18
0.2
ENE
9
0.5
NE
4
0.4
NE
5
0.4
ENE
5
0.3
ENE
5
0.2
SSE
11
0.2
SSE
10
0.1
SE
9
0.1
S
14
0.9
SSE
11
0.4
E
13
0.4
SSE
9
0.7
SSE
8
0.4
SSE
8
0.5
SE
18
0.4
SSE
16
Energy kJ
10
32
8
9
6
9
6
11
10
3
4
180
56
35
61
23
150
102
Swell 3
Height (m)
Direction
Period (s)
0.2
ENE
4
0.1
S
14
0.2
ENE
9
0.1
E
9
0.1
E
8
0.1
E
8
0.1
S
15
0.2
SSE
14
0.2
SSE
15
0.1
SE
14
0.1
S
9
0.1
SE
15
0.2
SSE
17
0.4
SE
17
0.3
SSE
7
0.6
SSE
6
Energy kJ
2
4
8
2
1
1
4
20
22
8
2
9
27
72
10
33
Wind waves
Height (m)
Direction
Period (s)
0.9
NE
4
0.4
SW
2
1.1
SW
4
1.2
S
4
1.7
SW
5
0.7
SSE
11
0.7
SSE
11
1.7
S
9
0.6
SW
4
1.6
S
8
0.3
WSW
3
0.3
WNW
3
Energy kJ
29
1
46
49
148
115
101
481
8
283
1
1
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
3
2
1
1
1
1
1
1
2
2
1
3
4
3
4
2
2
2
Distance (km)
20
20
0
0
0
0
0
0
9
9
40
72
72
50
10
46
44
61
44
40
0
Best forecast wave conditions in Canterbury
Rating
(10 max)
2
2
4
5
4
3
3
2
2
2
3
2
2
4
3
5
4
4
4
4
4
Best forecast wave conditions in New Zealand
Rating
(10 max)
2
4
7
5
5
4
4
2
2
2
4
4
4
5
5
5
4
5
5
4
9
Header Global
Rating
(10 max)
7
4
7
5
6
6
5
5
6
7
8
6
5
5
5
5
5
5
5
5
9
  • 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
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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 16 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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