Surf Forecasts:
Blue Duck Stream surf forecast from 9 Jun 2026:
- Best quality surf: Wednesday 10 Jun, 12AM (local time) - 13ft (4.0m), 14s period, S swell with cross-offshore winds.
- Most powerful swell: Wednesday 10 Jun, 12AM (local time) - 13ft (4.0m), 14s period, S swell with 6,115 kJ wave energy.
- Next surfable swell (1★+): Wednesday 10 Jun, 12AM (local time) - 13ft (4.0m), 14s period with S swell.
Best Forecast Surf Conditions for Blue Duck Stream this week:
The surf forecast for Blue Duck Stream over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jun 10) at 12AM. The primary swell is predicted to be 4.0m and 14s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Blue Duck Stream in the next 16 days are 4.0m 14s and forecast to arrive on Wednesday (Jun 10) 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 1.2m 6s period and expected on Tuesday (Jun 16) at 3PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Wed 10th Jun) | 13ft (4.0m) 14s |
| Best Surf | 12AM (Wed 10th Jun) | 13ft (4.0m) 14s |
| Most Powerful | 12AM (Wed 10th Jun) | 13ft (4.0m) 14s |
Table - best surf conditions forecast for Blue Duck Stream over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 14°C on Wed morning, min 9°C on Tue night). Winds decreasing (fresh winds from the SW on Tue afternoon, calm by Wed afternoon). | Days 5-7 Weather SummaryMostly dry. Very mild (max 15°C on Sun morning, min 9°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tue 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | S 15 | S 14 | S 13 | SSE 11 | S 10 | SSE 13 | SSE 12 | SSE 11 | SSE 10 | SSE 10 | SSE 9 | SSW 19 | S 17 | SSW 15 | SSW 14 | S 9 | S 12 | S 11 | S 18 | S 15 | SSW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 12710 | 6115 | 2431 | 1146 | 284 | 468 | 838 | 380 | 187 | 100 | 28 | 120 | 140 | 75 | 62 | 60 | 70 | 37 | 311 | 441 | 252 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | glassy | glassy | cross-off | cross-on | glassy | cross-off | cross | glassy | cross-off | glassy | cross-off | off | glassy | off | cross-off | glassy | off | off |
High Tide | 11:37PM1.41m | 12:06PM1.37m | 00:27AM1.43m | 12:58PM1.45m | 1:20AM1.46m | 1:52PM1.55m | 2:16AM1.50m | 2:47PM1.64m | 3:12AM1.53m | 3:44PM1.72m | 4:09AM1.56m | 4:41PM1.78m | 5:07AM1.59m | ||||||||
Low Tide | 5:22PM0.28m | 5:53AM0.23m | 6:14PM0.24m | 6:41AM0.19m | 7:08PM0.20m | 7:32AM0.14m | 8:06PM0.15m | 8:26AM0.09m | 9:04PM0.10m | 9:22AM0.04m | 10:04PM0.06m | 10:19AM0.00m | 11:04PM0.02m | 11:18AM-0.03m | |||||||
 |  | | | | | | |  | | | | | | | | |  | | | | |
 | — | — | 7:48 | — | — | 7:50 | — | — | 7:50 | — | — | 7:50 | — | — | 7:50 | — | — | 7:52 | — | — | 7:52 |
 | 4:58 | — | — | 4:58 | — | — | 4:58 | — | — | 4:58 | — | — | 4:58 | — | — | 4:58 | — | — | 4:58 | — | 4:58 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 10 | 14 | 13 | 11 | 11 | 12 | 11 | 13 | 12 | 9 | 13 | 13 | 12 | 15 | 15 | 15 | 15 | 14 | 13 | 16 |
Feels °C | 2 | 5 | 11 | 11 | 9 | 8 | 9 | 9 | 7 | 8 | 6 | 11 | 12 | 9 | 13 | 13 | 12 | 13 | 13 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | S 21 | S 14 | S 13 | SSE 11 | SE 9 | SSE 10 | SSE 12 | SSE 11 | SSE 10 | SSE 10 | SSE 5 | SSE 5 | SSE 11 | SSE 10 | S 9 | S 9 | S 12 | S 11 | SE 5 | S 15 | SSW 12 |
| kJ | 2523 | 6115 | 2431 | 1146 | 272 | 408 | 838 | 380 | 187 | 100 | 27 | 11 | 90 | 54 | 40 | 60 | 70 | 37 | 23 | 441 | 252 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | S 10 | SSE 13 | SSW 16 | NE 4 | SSW 16 | SSW 16 | SSE 9 | SSE 9 | S 17 | SSW 15 | SSW 14 | NNE 7 | NNE 5 | SE 13 | S 18 | SE 12 | NE 6 |
| kJ | — | — | — | — | 284 | 468 | 50 | 5 | 25 | 48 | 28 | 28 | 140 | 75 | 62 | 5 | 5 | 25 | 311 | 36 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SSE 16 | SSW 17 | SSW 10 | SSW 15 | NNE 4 | SE 15 | SSW 15 | SSW 19 | NE 4 | NE 5 | NNE 6 | S 18 | SE 12 | S 15 | SE 12 | E 15 | ESE 12 |
| kJ | — | — | — | — | 26 | 58 | 10 | 44 | 1 | 8 | 21 | 120 | 4 | 4 | 4 | 24 | 23 | 17 | 38 | 4 | 13 |
Wind waves Height (m) Direction Period (s) | S 15 | — | — | — | — | — | — | NNE 4 | SSW 3 | S 4 | — | NNE 2 | NNE 4 | NNE 5 | — | — | — | SSE 4 | NNE 5 | ENE 4 | N 6 |
| kJ | 12710 | — | — | — | — | — | — | 26 | 4 | 30 | — | 1 | 10 | 14 | — | — | — | 16 | 2 | 8 | 62 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 160 | 20 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Kaikoura and Marlborough | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Blue Duck Stream surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Blue Duck Stream Surf forecast
The above surf forecast table for Blue Duck Stream provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Blue Duck Stream can be found by selecting the local surf guide option on the grey menu. Our Blue Duck Stream 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 (Blue Duck Stream) 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 Blue Duck Stream 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.
Blue Duck Stream is 86 km (53 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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