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Westport Breakwater Surf Forecast
/ West Coast South Island (21 surf breaks) /
Westport Breakwater surfForecast / West Coast South Island / New Zealand
12 Day Weather and Surf, issued 11 am Saturday 16 Aug 2025 NZST
Best Forecast Surf Conditions for Westport Breakwater this week:
The surf forecast for Westport Breakwater over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 16) at 6PM. The primary swell is predicted to be 1.2m and 12s period with a secondary swell of 0.4m and 4s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Westport Breakwater in the next 12 days are 3.5m 11s and forecast to arrive on Monday (Aug 18) at 9PM. 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+) | 6PM (Sat 16th Aug) | 4ft (1.2m) 12s |
| Best Surf | 3PM (Sun 17th Aug) | 7ft (2.1m) 16s |
| Most Powerful | 9PM (Mon 18th Aug) | 11ft (3.5m) 11s |
Table - best surf conditions forecast for Westport Breakwater over the next 12 days.
Short Range Forecast Moderate rain (total 15mm), heaviest on Mon afternoon. Very mild (max 12°C on Sun morning, min 6°C on Sat night). Winds increasing (calm on Sun morning, fresh winds from the SW by Mon afternoon). | Days 3-6 Weather Summary Mostly dry. Very mild (max 13°C on Wed afternoon, min 3°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 13 | 12 | 12 | 18 | 16 | 14 | 15 | 14 | 11 | 12 | 12 | 12 | 12 | 12 | 11 | 16 | 16 | 16 | 16 | 16 | 16 |
Wave (?)Graph  | |||||||||||||||||||||
| Energy (?) | 367 | 345 | 457 | 2282 | 2319 | 1509 | 1530 | 1120 | 2765 | 2321 | 2310 | 1660 | 998 | 964 | 906 | 1137 | 950 | 962 | 950 | 950 | 1193 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | off | off | cross- on | off | off | cross- on | cross- on | cross- off | cross | cross- off | off | cross- on | off | off | glass | off | off | on | off |
High Tide / height (m) | 3:47PM 2.75 | 4:25AM 2.74 | 5:00PM 2.64 | 5:44AM 2.65 | 6:21PM 2.63 | 7:01AM 2.66 | 7:38PM 2.72 | 8:11AM 2.75 | 8:41PM 2.87 | 9:10AM 2.87 | 9:33PM 3.02 | 9:58AM 2.98 | 10:17PM 3.13 | ||||||||
Low Tide / height (m) | 9:33AM 0.68 | 10:04PM 0.77 | 10:40AM 0.85 | 11:21PM 0.88 | 11:59AM 0.96 | 12:43AM 0.89 | 1:20PM 0.93 | 1:56AM 0.79 | 2:28PM 0.81 | 2:56AM 0.64 | 3:22PM 0.64 | 3:46AM 0.49 | 4:08PM 0.49 | ||||||||
Saturday 16 | Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | |||||||||||||||
| Sunrise | 7:24 | - | - | 7:22 | - | - | 7:20 | - | - | 7:18 | - | - | 7:18 | - | - | 7:16 | - | - | 7:15 | - | - |
| Sunset | - | 5:52 | - | - | 5:52 | - | - | 5:53 | - | - | 5:54 | - | - | 5:55 | - | - | 5:57 | - | - | 5:58 | - |
 |  |  |  | | | |  |  | | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | 12 | 3 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 11 | 9 | 12 | 12 | 9 | 12 | 10 | 9 | 10 | 10 | 5 | 12 | 13 | 8 | 12 | 12 | 9 | 12 | 12 | 9 |
| Feels °C (?) | 8 | 8 | 7 | 10 | 9 | 7 | 9 | 8 | 4 | 4 | 4 | 1 | 9 | 10 | 5 | 10 | 10 | 6 | 11 | 10 | 8 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for West Coast South Island
Cross-shore wind at Westport Breakwater have swung cross-off (light winds from the NE at WestportAeroAws 5 km from Westport Breakwater). 1.2m 12s groundswell from the WSW with a 0.5m 3s local chop from the NNE. 2 swells combining to make bigger set waves.- Cross-shore wind at Tauranga Bay have swung cross-off (light winds from the NE at WestportAeroAws 11 km from Tauranga Bay). A 1.2m groundswell from the WSW
Actual: 41 min ago
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 Westport Breakwater 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 Westport Breakwater Surf forecast
The above surf forecast table for Westport Breakwater provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Westport Breakwater can be found by selecting the local surf guide option on the grey menu. Our Westport Breakwater 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 (Westport Breakwater) 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 Westport Breakwater 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.
Are you planning a holiday in West Coast South Island? If you are looking for accommodation near Westport Breakwater, camping, hotels and holiday cottages in West Coast South Island, consider staying in Nelson which is 145 km (90 miles) away.
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