Surf Forecasts:
Shag Rock surf forecast from 10 Jun 2026:
- Best quality surf: Saturday 13 Jun, 6AM (local time) - 5ft (1.6m), 15s period, WSW swell with cross-offshore winds.
- Most powerful swell: Tuesday 16 Jun, 6AM (local time) - 10ft (3.0m), 17s period, WSW swell with 5,946 kJ wave energy.
- Next surfable swell (1★+): Saturday 13 Jun, 6AM (local time) - 5ft (1.6m), 15s period with WSW swell.
Best Forecast Surf Conditions for Shag Rock this week:
The surf forecast for Shag Rock over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jun 13) at 6AM. The primary swell is predicted to be 1.6m and 15s period with a secondary swell of 1.2m and 6s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Shag Rock in the next 16 days are 3.0m 17s and forecast to arrive on Tuesday (Jun 16) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Sat 13th Jun) | 5ft (1.6m) 15s |
| Best Surf | 6AM (Sat 13th Jun) | 5ft (1.6m) 15s |
| Most Powerful | 6AM (Tue 16th Jun) | 10ft (3.0m) 17s |
Table - best surf conditions forecast for Shag Rock over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 15°C on Fri night, min 11°C on Thu morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Mon night. Very mild (max 15°C on Sun morning, min 13°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||
AM | PM | 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) | WSW 14 | SW 14 | WSW 16 | WSW 15 | WSW 14 | WSW 16 | WSW 14 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 18 | WSW 16 | WSW 16 | WSW 19 | WSW 16 | WSW 15 | WSW 14 | SW 13 | SW 12 | SW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1598 | 1249 | 2032 | 1714 | 961 | 1273 | 796 | 1305 | 1275 | 996 | 826 | 954 | 798 | 1067 | 2023 | 3278 | 2513 | 2689 | 2490 | 1883 | 413 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-off | cross | glassy | glassy | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 6:05PM2.46m | 6:24AM2.56m | 7:03PM2.62m | 7:23AM2.66m | 7:57PM2.77m | 8:18AM2.75m | 8:50PM2.91m | 9:12AM2.82m | 9:42PM3.01m | 10:04AM2.85m | 10:33PM3.05m | 10:56AM2.83m | 11:23PM3.03m | ||||||||
Low Tide | 11:47AM0.40m | 00:14AM0.51m | 12:44PM0.29m | 1:13AM0.38m | 1:39PM0.18m | 2:10AM0.25m | 2:33PM0.08m | 3:05AM0.14m | 3:25PM0.02m | 3:59AM0.06m | 4:17PM-0.01m | 4:51AM0.04m | 5:09PM0.01m | ||||||||
 | |  |  | | | | |  | |  |  |  | | | | | | | | | |
 | 7:31 | — | — | 7:31 | — | — | 7:31 | — | — | 7:31 | — | — | 7:33 | — | — | 7:33 | — | — | 7:33 | — | — |
 | — | 5:12 | — | — | 5:12 | — | — | 5:12 | — | — | 5:12 | — | — | 5:12 | — | — | 5:12 | — | — | 5:12 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 6 | — | — | — | — | — | — |
Temp °C | 12 | 13 | 13 | 14 | 14 | 15 | 13 | 13 | 13 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 |
Feels °C | 10 | 11 | 11 | 11 | 10 | 11 | 12 | 11 | 12 | 14 | 13 | 15 | 12 | 12 | 12 | 10 | 9 | 9 | 10 | 10 | 12 |
Swell 1 Height (m) Direction Period (s) | WSW 14 | SW 14 | WSW 16 | WSW 15 | WSW 14 | WSW 16 | WSW 14 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 16 | WSW 16 | WSW 15 | WSW 16 | WSW 15 | WSW 14 | — | — | SW 12 |
| kJ | 1598 | 1249 | 2032 | 1714 | 961 | 1273 | 796 | 1305 | 1275 | 996 | 826 | 745 | 798 | 1067 | 1292 | 3278 | 2513 | 2689 | — | — | 309 |
Swell 2 Height (m) Direction Period (s) | WSW 20 | WSW 18 | WSW 21 | SW 18 | WSW 18 | — | SW 6 | SW 6 | SW 5 | WSW 21 | WSW 19 | WSW 18 | WSW 13 | WSW 24 | WSW 19 | — | — | — | — | — | SW 16 |
| kJ | 149 | 644 | 45 | 161 | 399 | — | 91 | 34 | 10 | 288 | 590 | 954 | 444 | 55 | 2023 | — | — | — | — | — | 61 |
Swell 3 Height (m) Direction Period (s) | — | — | WSW 21 | — | — | — | WSW 18 | — | WSW 23 | WSW 8 | WSW 7 | WSW 6 | W 6 | — | — | — | — | — | — | — | — |
| kJ | — | — | 45 | — | — | — | 280 | — | 51 | 24 | 32 | 26 | 17 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SW 6 | SW 7 | — | — | — | — | — | — | WSW 4 | WSW 5 | W 7 | WSW 9 | WSW 8 | SSW 7 | SW 13 | SW 12 | SW 8 |
| kJ | — | — | — | — | 88 | 194 | — | — | — | — | — | — | 11 | 22 | 215 | 500 | 360 | 77 | 2490 | 1883 | 413 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 9 | 111 | 117 | 156 | 63 | 0 | 9 | 0 | 0 | 221 | 111 | 117 | 302 | 233 | 201 | 221 | 156 | 66 | 66 | 3 |
Best forecast wave conditions in Auckland | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Shag Rock 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 Shag Rock Surf forecast
The above surf forecast table for Shag Rock provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Shag Rock can be found by selecting the local surf guide option on the grey menu. Our Shag Rock 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 (Shag Rock) 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 Shag Rock 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.
Shag Rock is 10 km (6 miles) from the city of Waitakere. If you plan a holiday in Auckland, look for hotels and other accommodation in Waitakere. Waitakere has rooms for a wide range of budgets as well as car hire and transport links.
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