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Shag Rock Surf Forecast
/ Auckland (22 surf breaks) /
Surf Forecasts:
Shag Rock surfForecast / Auckland / New Zealand
16 Day Weather and Surf, issued 12 am Sunday 22 Mar 2026 NZDTForecast update in hr min s Forecast update imminent
Shag Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Shag Rock sea temperature is
19.8° C
(Which is normal for this time of year)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 Sunday (Mar 22) at 10AM. The primary swell is predicted to be 1.7m and 13s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Shag Rock in the next 16 days are 2.5m 13s and forecast to arrive on Saturday (Mar 28) at 4AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Thursday (Mar 26) at 7AM.
| Wave Type | Time (NZDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Sun 22nd Mar) | 5.5ft (1.7m) 13s |
| Best Surf | 1PM (Sun 22nd Mar) | 5.5ft (1.7m) 13s |
| Most Powerful | 4AM (Sat 28th Mar) | 8ft (2.5m) 13s |
Table - best surf conditions forecast for Shag Rock over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Mostly dry. Warm (max 22°C on Mon afternoon, min 16°C on Mon night). Wind will be generally light. | Days 3-6 Weather Summary Heavy rain (total 55mm), heaviest during Thu morning. Warm (max 21°C on Thu night, min 18°C on Tue night). Winds decreasing (fresh winds from the NE on Wed night, light winds from the NNW by Thu night). | |||||||||||||||||||||
Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Sat 28 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 12 | 13 | 13 | 13 | 14 | 14 | 16 | 14 | 14 | 13 | 13 | 12 | 12 | 16 | 14 | 14 | 10 | 10 | 13 | 12 | 12 | |
Wave (?)Graph  | ||||||||||||||||||||||
 kJ (?) | 522 | 996 | 932 | 854 | 788 | 921 | 759 | 1034 | 845 | 494 | 311 | 216 | 154 | 223 | 367 | 366 | 540 | 834 | 2217 | 2013 | 1776 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | off | cross | off | off | cross- off | off | off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | on | cross- on | |
High Tide / height (m) | 12:18AM 2.98 | 12:35PM 2.97 | 1:00AM 2.91 | 1:18PM 2.82 | 1:45AM 2.77 | 2:07PM 2.61 | 2:38AM 2.59 | 3:05PM 2.39 | 3:44AM 2.42 | 4:19PM 2.21 | 5:06AM 2.31 | 5:50PM 2.15 | 6:34AM 2.34 | |||||||||
Low Tide / height (m) | 6:30AM 0.01 | 6:52PM -0.01 | 7:15AM 0.13 | 7:37PM 0.14 | 8:05AM 0.31 | 8:28PM 0.34 | 9:03AM 0.50 | 9:29PM 0.54 | 10:14AM 0.66 | 10:43PM 0.68 | 11:36AM 0.73 | 12:05AM 0.70 | 12:56PM 0.66 | |||||||||
Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Sat 28 | ||||||||||||||||
| Sunrise | - | 7:26 | - | - | 7:26 | - | - | 7:26 | - | - | 7:28 | - | - | 7:28 | - | - | 7:30 | - | - | 7:31 | - | |
| Sunset | - | - | 7:31 | - | - | 7:30 | - | - | 7:29 | - | - | 7:27 | - | - | 7:25 | - | - | 7:23 | - | - | 7:22 | |
 |  | |  | | | |  | |  |  |  |  |  | |  | | | | | | ||
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 4 | 17 | 28 | 4 | 2 | - | - | - | - | - | |
| Temp. °C | 18 | 21 | 21 | 18 | 21 | 22 | 17 | 20 | 20 | 18 | 19 | 18 | 19 | 20 | 20 | 21 | 21 | 21 | 19 | 19 | 19 | |
| Feels °C (?) | 19 | 21 | 20 | 18 | 19 | 20 | 15 | 16 | 17 | 16 | 15 | 14 | 14 | 17 | 17 | 21 | 20 | 21 | 20 | 19 | 18 | |
- Map Icons:
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 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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