
Surf Forecasts:
Westport Breakwater surf forecast from 29 Jun 2026:
- Best quality surf: Saturday 4 Jul, 3PM (local time) - 13ft (4.0m), 11s period, NW swell with cross-onshore winds.
- Most powerful swell: Monday 6 Jul, 9AM (local time) - 13ft (4.0m), 18s period, W swell with 10,543 kJ wave energy.
- Next surfable swell (1★+): Monday 29 Jun, 9PM (local time) - 4.5ft (1.3m), 13s period with WSW swell.
Best Forecast Surf Conditions for Westport Breakwater this week:
The surf forecast for Westport Breakwater over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jun 29) at 9PM. The primary swell is predicted to be 1.3m and 13s period with a secondary swell of 0.3m and 17s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Westport Breakwater in the next 16 days are 4.0m 18s and forecast to arrive on Monday (Jul 06) at 9AM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Mon 29th Jun) | 4.5ft (1.3m) 13s |
| Best Surf | 3PM (Sat 4th Jul) | 13ft (4.0m) 11s |
| Most Powerful | 9AM (Mon 6th Jul) | 13ft (4.0m) 18s |
Table - best surf conditions forecast for Westport Breakwater over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Mon afternoon. Very mild (max 13°C on Mon afternoon, min 8°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 53mm), heaviest during Sat morning. Very mild (max 15°C on Sat afternoon, min 8°C on Thu night). Winds increasing (calm on Thu afternoon, fresh winds from the N by Fri night). | ||||||||||||||||||||
Mon 29 | Tuesday 30 | Wednesday 1 | Thursday 2 | Friday 3 | Saturday 4 | Sunday 5 | |||||||||||||||
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) | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 13 | WSW 13 | W 12 | W 11 | WNW 10 | WNW 9 | WNW 10 | NW 11 | WNW 11 | NW 10 | WNW 11 | WNW 13 | W 18 |
Wave Graph | |||||||||||||||||||||
643 | 563 | 542 | 471 | 372 | 303 | 249 | 133 | 93 | 95 | 110 | 157 | 123 | 137 | 869 | 3991 | 1626 | 4337 | 4024 | 3234 | 10543 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | off | glassy | glassy | off | off | cross-on | off | glassy | cross-on | off | off | cross-off | cross | cross-on | cross-on | cross-on | on | cross-on | glassy | cross-off |
High Tide | 10:33PM2.99m | 10:54AM2.98m | 11:09PM3.03m | 11:31AM3.00m | 11:45PM3.05m | 12:07PM2.99m | 00:20AM3.04m | 12:43PM2.95m | 00:57AM3.00m | 1:21PM2.89m | 1:35AM2.95m | 2:01PM2.82m | 2:16AM2.87m | ||||||||
Low Tide | 4:28PM0.87m | 4:43AM0.83m | 5:05PM0.81m | 5:20AM0.78m | 5:40PM0.76m | 5:56AM0.74m | 6:15PM0.72m | 6:32AM0.70m | 6:50PM0.69m | 7:11AM0.67m | 7:28PM0.68m | 7:52AM0.66m | 8:08PM0.70m | 8:35AM0.66m | |||||||
— | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | |
5:12 | — | — | 5:12 | — | — | 5:13 | — | — | 5:13 | — | — | 5:14 | — | — | 5:14 | — | — | 5:15 | — | 5:15 | |
mm | 1 | 3 | 1 | 2 | — | — | — | — | — | — | — | — | — | 11 | 21 | 7 | 10 | 4 | 3 | 1 | — |
Temp °C | 13 | 9 | 9 | 10 | 10 | 12 | 13 | 10 | 12 | 12 | 10 | 12 | 13 | 14 | 14 | 15 | 13 | 11 | 11 | 7 | 9 |
Feels °C | 11 | 7 | 8 | 9 | 9 | 11 | 11 | 7 | 11 | 10 | 8 | 10 | 11 | 9 | 10 | 13 | 11 | 7 | 7 | 5 | 5 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 13 | WSW 13 | W 12 | W 11 | WNW 10 | WNW 9 | WNW 10 | NW 11 | WNW 11 | WSW 16 | WNW 11 | WNW 13 | W 18 |
643 | 563 | 542 | 471 | 372 | 303 | 249 | 133 | 93 | 95 | 110 | 157 | 123 | 137 | 869 | 3991 | 1626 | 448 | 4024 | 2930 | 10543 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | WSW 18 | — | — | — | — | — | W 18 | WNW 4 | — | WSW 14 | W 11 | WSW 17 | W 20 | W 18 | — | W 15 | W 15 | — |
— | — | — | 31 | — | — | — | — | — | 6 | 2 | — | 39 | 127 | 27 | 202 | 653 | — | 465 | 3234 | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | W 16 | — | NNW 5 | WSW 13 | W 23 | WSW 16 | — | — | W 24 | N 8 | — |
— | — | — | — | — | — | — | — | — | — | 5 | — | 2 | 34 | 40 | 51 | — | — | 11 | 219 | — | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | N 5 | N 7 | — | N 10 | NW 10 | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | 11 | 557 | — | 813 | 4337 | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 44 | 176 | 176 | 86 | 134 | 49 | 13 |
Best forecast wave conditions in West Coast South Island | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)
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 16 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.










