Surf Forecasts:
Kahutara surf forecast from 9 Sep 2026:
- Best quality surf: Saturday 12 Sep, 9AM (local time) - 5ft (1.6m), 16s period, S swell with cross-offshore winds.
- Most powerful swell: Saturday 12 Sep, 3PM (local time) - 15ft (4.5m), 14s period, SSW swell with 6,691 kJ wave energy.
- Next surfable swell (1★+): Thursday 10 Sep, 6PM (local time) - 6ft (1.9m), 7s period with SSW swell.
Best Forecast Surf Conditions for Kahutara this week:
The surf forecast for Kahutara over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 10) at 6PM. The primary swell is predicted to be 1.9m and 7s period with a secondary swell of 1.4m and 7s. Another secondary swell of 0.5m and 8s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Kahutara in the next 16 days are 4.5m 14s and forecast to arrive on Saturday (Sep 12) at 3PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 6s period and expected on Wednesday (Sep 16) at 6AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Thu 10th Sep) | 6ft (1.9m) 7s |
| Best Surf | 9AM (Sat 12th Sep) | 5ft (1.6m) 16s |
| Most Powerful | 3PM (Sat 12th Sep) | 15ft (4.5m) 14s |
Table - best surf conditions forecast for Kahutara over the next 16 days.
The Lowdown
Alright crew, Rusty here. Let's talk Kahutara.
Thursday the 10th is a write-off. A touch of swell showing early at 2 feet, but the wind is messy. Leave the board at home.
Friday the 11th cleans right up. Glassy conditions in the afternoon with a 2-foot south swell. Not a lot of power, but a fun little cruiser.
Now, Saturday the 12th is the one to circle. Morning brings in a clean 5-foot south swell with a 16-second period and light cross-off breeze. This is a proper groundswell for the point. It's big, so it's for experienced surfers only. The afternoon goes nuts with a 14-foot south-southwest wall and onshore wind – that's a kite session if anything.
Sunday the 13th keeps the energy rolling with a 5-foot south swell in the morning. Clean, cross-off wind, and excellent for the guys who know what they're doing.
Monday the 14th morning is glassy with a 5-foot south swell. Very good, clean conditions. Water temps are average, so grab a spring suit.
Tuesday the 15th drops way off. 2 feet and glassy, but ordinary. A bit of a lull.
Jump to Friday the 18th. Solid 6-foot south swell in the morning, clean, cross-off wind. Excellent energy for the experienced crew. The afternoon stays clean with a strong offshore breeze.
Monday the 21st is clean but windy. A 35-plus mph offshore wind will make it glassy, but a mission to paddle out. Morning is your window.
The real sleeper of the whole two weeks? Monday the 25th. Calm, glassy, with a 3-foot south swell running on a 16-second period. That's 553 units of energy, with zero wind. If you get a window to sneak out, that's the session right there. Kahutara can get a crowd sometimes, but on a Monday morning with that glass, you might have the place to yourself.
Short Range ForecastLight rain (total 9mm), mostly falling on Thu morning. Very mild (max 14°C on Fri afternoon, min 5°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 16°C on Tue afternoon, min 8°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | E 8 | E 8 | SSW 7 | S 18 | S 18 | S 17 | S 16 | S 16 | SSW 14 | S 15 | S 13 | S 13 | S 11 | S 11 | S 11 | S 10 | S 9 | SSW 14 | S 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 132 | 78 | 392 | 238 | 304 | 220 | 330 | 1257 | 6691 | 2303 | 810 | 1497 | 859 | 621 | 375 | 186 | 102 | 67 | 38 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | off | cross-off | glassy | cross-on | cross-off | on | cross-off | cross-off | on | cross | glassy | cross-on | cross | glassy | glassy | off |
High Tide | 3:02AM1.98m | 3:28PM2.05m | 3:53AM1.99m | 4:20PM2.04m | 4:46AM1.98m | 5:12PM2.02m | 5:42AM1.98m | 6:05PM1.99m | 6:38AM1.99m | 6:58PM1.95m | 7:31AM2.00m | 7:51PM1.91m | |||||||
Low Tide | 9:17AM0.31m | 9:45PM0.35m | 10:12AM0.31m | 10:39PM0.36m | 11:05AM0.33m | 11:33PM0.38m | 11:57AM0.38m | 00:24AM0.41m | 12:48PM0.45m | 1:12AM0.46m | 1:39PM0.53m | 1:59AM0.53m | |||||||
 |  |  |  |  | | | |  | | | | | | | | | | | |
 | — | 6:37 | — | — | 6:35 | — | — | 6:33 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — |
 | — | — | 6:08 | — | — | 6:09 | — | — | 6:10 | — | — | 6:12 | — | — | 6:13 | — | — | 6:14 | — |
mm | — | 4 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 10 | 6 | 6 | 12 | 14 | 10 | 10 | 9 | 9 | 12 | 11 | 9 | 13 | 12 | 11 | 15 | 16 | 14 |
Feels °C | 8 | 6 | 2 | 2 | 9 | 11 | 8 | 7 | 6 | 6 | 9 | 9 | 6 | 10 | 10 | 8 | 13 | 15 | 13 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | S 7 | S 7 | S 6 | S 17 | S 16 | S 16 | S 15 | S 15 | S 13 | S 13 | S 11 | S 11 | S 11 | S 10 | S 9 | S 9 | NE 7 |
| kJ | 132 | 78 | 247 | 128 | 47 | 220 | 330 | 1257 | 4343 | 2303 | 810 | 972 | 859 | 621 | 375 | 186 | 102 | 56 | 27 |
Swell 2 Height (m) Direction Period (s) | NE 6 | S 16 | E 8 | S 18 | S 18 | S 6 | ENE 8 | ENE 13 | ENE 13 | ENE 13 | S 16 | NE 12 | E 12 | E 11 | S 15 | S 16 | S 14 | SSW 14 | S 9 |
| kJ | 18 | 45 | 43 | 238 | 304 | 16 | 7 | 17 | 17 | 16 | 262 | 6 | 3 | 3 | 71 | 43 | 37 | 67 | 38 |
Swell 3 Height (m) Direction Period (s) | S 8 | S 22 | SSW 15 | E 8 | ESE 8 | ESE 7 | ESE 7 | E 7 | — | ENE 9 | NE 12 | — | E 9 | — | E 11 | NE 11 | ENE 3 | SE 11 | SSW 14 |
| kJ | 11 | 10 | 79 | 19 | 11 | 11 | 5 | 1 | — | 8 | 6 | — | 2 | — | 2 | 4 | 1 | 5 | 38 |
Wind waves Height (m) Direction Period (s) | — | SSW 4 | SSW 7 | S 7 | NNE 3 | — | — | — | SSW 14 | NNE 3 | — | S 13 | — | NE 3 | — | NNE 3 | — | NE 4 | — |
| kJ | — | 19 | 392 | 208 | 3 | — | — | — | 6691 | 7 | — | 1497 | — | 2 | — | 1 | — | 3 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 9 | 9 | 0 | 0 | 0 | 19 | 0 | 97 | 0 | 0 | 43 | 23 | 0 | 43 | 11 | 0 | 0 | 0 |
Best forecast wave conditions in Kaikoura and Marlborough | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Information about the Kahutara Surf forecast
The above surf forecast table for Kahutara provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kahutara can be found by selecting the local surf guide option on the grey menu. Our Kahutara 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 (Kahutara) 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 Kahutara 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.
Kahutara is 106 km (66 miles) from the city of Blenheim. If you plan a holiday in Kaikoura and Marlborough, look for hotels and other accommodation in Blenheim. Blenheim has rooms for a wide range of budgets as well as car hire and transport links.
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