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Shag Rock Surf Forecast
/ Auckland (22 surf breaks) /
Shag Rock surfForecast / Auckland / New Zealand
12 Day Weather and Surf, issued 5 pm Tuesday 01 Jul 2025 NZST
Best Forecast Surf Conditions for Shag Rock this week:
The surf forecast for Shag Rock over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 01) at 9PM. The primary swell is predicted to be 2.4m and 15s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Shag Rock in the next 12 days are 4.5m 11s and forecast to arrive on Saturday (Jul 05) 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 1.4m 10s period and expected on Thursday (Jul 03) at 6PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Tue 1st Jul) | 8ft (2.4m) 15s |
| Best Surf | 9PM (Tue 1st Jul) | 8ft (2.4m) 15s |
| Most Powerful | 3PM (Sat 5th Jul) | 15ft (4.5m) 11s |
Table - best surf conditions forecast for Shag Rock over the next 12 days.
Tue 01 | Wednesday 02 | Thursday 03 | Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | Saturday 12 | Sun 13 | ||||||||||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 16 | 15 | 14 | 14 | 13 | 13 | 16 | 17 | 17 | 16 | 12 | 10 | 11 | 10 | 9 | 14 | 9 | 9 | 9 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 19 | 18 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 3219 | 2215 | 1644 | 1287 | 971 | 827 | 882 | 1942 | 1801 | 1515 | 2034 | 1900 | 4519 | 2578 | 1780 | 1359 | 1078 | 931 | 712 | 558 | 556 | 506 | 471 | 345 | 347 | 292 | 366 | 404 | 353 | 546 | 914 | 1245 | 1347 | 1183 | 1138 | 1326 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross | cross- off | off | off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off |
High Tide / height (m) | 2:07AM 2.50 | 2:36PM 2.28 | 2:55AM 2.36 | 3:29PM 2.21 | 3:46AM 2.25 | 4:26PM 2.17 | 4:43AM 2.18 | 5:26PM 2.17 | 5:43AM 2.16 | 6:23PM 2.22 | 6:40AM 2.19 | 7:17PM 2.31 | 7:33AM 2.26 | 8:05PM 2.41 | 8:21AM 2.35 | 8:50PM 2.53 | 9:05AM 2.44 | 9:31PM 2.63 | 9:47AM 2.53 | 10:11PM 2.73 | 10:27AM 2.59 | 10:50PM 2.80 | 11:07AM 2.62 | |||||||||||||
Low Tide / height (m) | 7:58PM 0.53 | 8:32AM 0.54 | 8:47PM 0.67 | 9:21AM 0.63 | 9:40PM 0.78 | 10:12AM 0.70 | 10:37PM 0.85 | 11:06AM 0.73 | 11:36PM 0.86 | 12:01PM 0.73 | 12:33AM 0.83 | 12:55PM 0.68 | 1:27AM 0.76 | 1:45PM 0.60 | 2:15AM 0.66 | 2:30PM 0.51 | 3:00AM 0.55 | 3:13PM 0.41 | 3:42AM 0.44 | 3:55PM 0.32 | 4:23AM 0.35 | 4:35PM 0.25 | 5:04AM 0.28 | |||||||||||||
Tue 01 | Wednesday 02 | Thursday 03 | Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | Saturday 12 | Sun 13 | ||||||||||||||||||||||||
| Sunrise | - | - | 7:35 | - | - | 7:35 | - | - | 7:35 | - | - | 7:35 | - | - | 7:35 | - | - | 7:35 | - | - | 7:33 | - | - | 7:33 | - | - | 7:33 | - | - | 7:33 | - | - | 7:33 | - | - | 7:33 |
| Sunset | 5:15 | - | - | 5:15 | - | - | 5:16 | - | - | 5:16 | - | - | 5:17 | - | - | 5:17 | - | - | 5:19 | - | - | 5:19 | - | - | 5:20 | - | - | 5:20 | - | - | 5:21 | - | - | 5:22 | - | - |
 |  |  | |  |  |  |  | |  | |  |  | | | |  | | | | | | | | | | | | | |  |  | | |  | | |
Rain (mm) | - | - | - | - | - | 7 | 24 | 11 | - | - | 7 | 2 | 2 | 4 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3 | 10 | 2 | 3 | 40 | 8 |
| Temp. °C | 14 | 12 | 14 | 16 | 16 | 16 | 17 | 18 | 18 | 19 | 17 | 15 | 15 | 15 | 14 | 14 | 14 | 11 | 13 | 12 | 12 | 13 | 12 | 13 | 13 | 13 | 14 | 15 | 14 | 14 | 13 | 14 | 15 | 14 | 15 | 15 |
| Feels °C (?) | 11 | 10 | 10 | 12 | 11 | 11 | 13 | 18 | 16 | 17 | 12 | 11 | 10 | 11 | 10 | 9 | 12 | 9 | 11 | 10 | 9 | 10 | 9 | 9 | 8 | 10 | 10 | 11 | 9 | 8 | 7 | 10 | 11 | 10 | 11 | 10 |
Short Range Forecast: Heavy rain (total 42mm), heaviest during Thu afternoon. Very mild (max 18°C on Thu night, min 11°C on Tue night). Winds increasing (calm on Tue night, fresh winds from the NE by Wed night). | Days 3-6 Weather Summary Moderate rain (total 15mm), heaviest on Fri night. Very mild (max 19°C on Fri afternoon, min 10°C on Mon morning). Winds decreasing (fresh winds from the NW on Fri night, light winds from the SE by Mon morning). | Days 6-9 Weather Summary Mostly dry. Very mild (max 14°C on Thu morning, min 11°C on Mon night). Wind will be generally light. | Long Range Forecast: Heavy rain (total 67mm), heaviest during Sat night. Very mild (max 15°C on Thu afternoon, min 13°C on Thu afternoon). Mainly fresh winds. | |||||||||||||||||||||||||||||||||
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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 12 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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