Inner Cut Surf Break

Lat Long: 41.26° S 173.26° E

Inner Cut Surf Forecast and Surf Report

Issued: 5 pm 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Inner Cut sea temperature is
12.0° C
0.3° 

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


Inner Cut surf forecast from 18 Aug 2026:

  • Best quality surf: Saturday 22 Aug, 9PM (local time) - 7ft (2.1m), 7s period, NNW swell with cross-offshore winds.
  • Most powerful swell: Saturday 22 Aug, 9PM (local time) - 7ft (2.1m), 7s period, NNW swell with 396 kJ wave energy.
  • Next surfable swell (1★+): Friday 21 Aug, 6PM (local time) - 3.5ft (1.1m), 6s period with NW swell.

Best Forecast Surf Conditions for Inner Cut this week:

The surf forecast for Inner Cut over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 21) at 6PM. The primary swell is predicted to be 1.1m and 6s period with a secondary swell of 0.7m and 5s. Another secondary swell of 0.1m and 15s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Inner Cut in the next 16 days are 2.1m 7s and forecast to arrive on Saturday (Aug 22) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 8s period and expected on Sunday (Aug 23) at 6AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Fri 21st Aug)3.5ft (1.1m) 6s
Best Surf 9PM (Sat 22nd Aug)7ft (2.1m) 7s
Most Powerful 9PM (Sat 22nd Aug)7ft (2.1m) 7s

Table - best surf conditions forecast for Inner Cut over the next 16 days.


The Lowdown

G’day, Rusty here. Look, I’ll level with you – the next couple of weeks at Nelson Harbour are a real mixed bag. We’ve got a long, quiet spell to start, then a late burst of energy that’s got my hopes up. It’s not a classic run, but there’s a window worth watching.

The immediate outlook is pretty flat. From Tuesday the 18th right through to the end of the month, there’s nothing to get excited about. We’re talking days of glassy mornings and light cross-onshore afternoons, but with zero swell or tiny, weak 0.3ft – 1ft stuff. The combined energy barely cracks 33 at best, and most of it’s sitting at zero. It’s a frustrating stretch, but these blank runs happen here. The water’s sitting at 54°, which is about average for the time of year, so no surprises there.

The real hope kicks off on Thursday the 27th of August. That morning, we start to see a pulse of swell pushing through – 5ft from the north at 7 seconds, with the combined energy jumping to 198. The wind is a slight cross-shore, so it’s messy. But by Thursday afternoon, the wind swings onshore and gets a bit stiff, and the swell jumps to 6ft from the NNW. That’s powerful stuff (574 combined energy), but the wind ruins it. This is a beach-and-reef setup, and with that much wind and chop, it’s looking more like a kitesurf session than a paddle surf.

The real standout comes on Saturday the 29th of August. The morning has 4ft from the north, glassy conditions, and the combined energy is 217. It’s surfable but ordinary. The afternoon is the one. The wind drops to calm, glassy, and the swell pushes to 7ft from the NNW. That’s a solid 626 combined energy. For a point break like Inner Cut, with that clean, glassy surface, it’s going to be proper. The swell is a bit fat for beginners, but for intermediates and up, this is the best on offer. The crowd factor is “sometimes,” so you might have company, but it’s worth it.

Sunday the 30th of August is also a cracker. Morning has 6ft from the NNW at 11 seconds, with a clean cross-offshore breeze from the SSE. That’s 871 combined energy. The afternoon keeps it going with 6ft from the NNW at 12 seconds, still clean and cross-offshore. The period is long enough to give good shape, but be aware that a long period swell at a beach break can break a bit straight – this is a point break, so it should handle it well. These Sunday sessions are the other standout.

Monday the 31st of August has a morning glass-off with 3ft from the NNW, but the period is 15 seconds, which is very long. The combined energy is 398, so there’s plenty of grunt. The long period means longer lulls and cleaner sets, but it’s only a moderate day compared to the weekend. After that, the swell fades fast, and we’re back to tiny waves by Tuesday.

If you’re looking for the best, aim for Saturday the 29th of August afternoon or Sunday the 30th of August. That’s where the magic is. The rest is a waiting game.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 11°C on Tue afternoon, min 5°C on Tue night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 2mm), mostly falling on Sat afternoon. Very mild (max 14°C on Sun morning, min 5°C on Fri night). Mainly fresh winds.

Tue
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.1
NW
14
0.3
SW
2
0.1
NW
17
0.1
NW
16
0.1
NW
16
0.1
NW
15
0.1
NW
15
0.1
N
14
0.1
N
16
0.8
NW
5
0.4
NNW
4
0.4
NNW
4
0.9
NNW
6
1.8
NNW
8
0.9
NNW
8
0.7
NNW
8
0.5
NNW
7
0.4
NNW
7
0.2
NNW
15
0.2
NNW
15
Wave Graph
Metric surfscale
Energy kJ
0
1
0
0
0
0
0
4
5
28
6
7
43
362
99
60
30
18
23
22
Wind (km/h)
10
NNE
10
S
5
SSW
5
NNE
5
S
5
SSW
10
NNE
5
SSW
10
SW
10
NNE
10
SW
10
WSW
5
NNE
10
SSW
30
SW
20
WSW
10
WNW
5
W
15
WNW
15
SSW
Wind State
cross-on
cross-off
glassy
cross-on
cross-off
glassy
cross-on
cross-off
cross
cross-on
cross
cross-on
glassy
cross-off
cross
cross
cross-on
cross-on
cross-on
cross-off
High Tide
1:37AM3.78m
1:55PM3.67m
2:18AM3.51m
2:35PM3.45m
3:08AM3.25m
3:23PM3.24m
4:11AM3.03m
4:34PM3.07m
5:30AM2.94m
6:21PM3.05m
6:49AM3.02m
7:41PM3.22m
Low Tide
7:07PM0.95m
7:39AM1.04m
7:44PM1.24m
8:21AM1.28m
8:33PM1.52m
9:11AM1.50m
9:52PM1.75m
10:12AM1.67m
11:30PM1.80m
11:30AM1.74m
00:46AM1.71m
12:54PM1.66m
1:42AM1.54m
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
rain showers
rain showers
clear
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:11
7:11
7:09
7:07
7:05
7:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:47
5:49
5:50
5:51
5:52
5:52
5:53
 mm
1
1
Temp °C
11
7
10
10
9
10
11
8
11
11
7
12
12
11
14
14
12
13
16
11
Feels °C
8
4
8
7
7
8
8
6
9
9
4
9
10
5
8
9
8
10
11
8
  • Map Icons:
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  • 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 Inner Cut Surf forecast

The above surf forecast table for Inner Cut provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Inner Cut can be found by selecting the local surf guide option on the grey menu. Our Inner Cut 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 (Inner Cut) 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 Inner Cut 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 Nelson - Tasman Bay? If you are looking for accommodation near Inner Cut, camping, hotels and holiday cottages in Nelson - Tasman Bay, consider staying in Nelson which is 2 km (1 miles) away. Alternatively, find information about places to stay and car hire in Blenheim which is 64 km (40 miles) away

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