Surf Forecasts:
Otago Peninsula - Boulder Beach surf forecast from 12 Jul 2026:
- Best quality surf: Thursday 16 Jul, 6PM (local time) - 10ft (3.0m), 13s period, SW swell with cross-shore winds.
- Most powerful swell: Friday 17 Jul, 3AM (local time) - 11ft (3.5m), 14s period, SW swell with 4,479 kJ wave energy.
- Next surfable swell (1★+): Monday 13 Jul, 12PM (local time) - 1.5ft (0.5m), 12s period with SSW swell.
Best Forecast Surf Conditions for Otago Peninsula - Boulder Beach this week:
The surf forecast for Otago Peninsula - Boulder Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jul 13) at 12PM. The primary swell is predicted to be 0.5m and 12s period with a secondary swell of 0.4m and 9s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Otago Peninsula - Boulder Beach in the next 16 days are 3.5m 14s and forecast to arrive on Friday (Jul 17) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Monday (Jul 13) at 6PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Mon 13th Jul) | 1.5ft (0.5m) 12s |
| Best Surf | 6PM (Thu 16th Jul) | 10ft (3.0m) 13s |
| Most Powerful | 3AM (Fri 17th Jul) | 11ft (3.5m) 14s |
Table - best surf conditions forecast for Otago Peninsula - Boulder Beach over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 13°C on Tue afternoon, min 7°C on Mon morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 13°C on Thu afternoon, min 7°C on Fri night). Winds decreasing (fresh winds from the W on Thu morning, calm by Fri afternoon). | ||||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||||
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) | SSW 13 | SSW 12 | ESE 9 | SSW 18 | SSW 16 | SSW 17 | SSW 17 | SSW 16 | SSW 15 | SW 9 | SSW 14 | SSW 15 | SSW 11 | ESE 16 | SE 16 | S 18 | S 17 | SSW 16 | SSW 15 | SW 14 | S 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 129 | 50 | 16 | 62 | 89 | 459 | 367 | 269 | 184 | 215 | 955 | 1200 | 716 | 566 | 720 | 2092 | 1954 | 1531 | 2629 | 3716 | 453 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | off | cross-off | cross-off | cross-off | glassy | cross-off | cross | cross | cross-off | cross-off | glassy | cross-on | off | off | cross-off | on | on | cross-off |
High Tide | 2:38PM1.94m | 3:01AM1.80m | 3:34PM1.95m | 3:57AM1.82m | 4:30PM1.95m | 4:54AM1.81m | 5:26PM1.92m | 5:51AM1.79m | 6:23PM1.87m | 6:49AM1.76m | 7:20PM1.80m | 7:47AM1.73m | 8:16PM1.73m | ||||||||
Low Tide | 9:01PM0.11m | 9:19AM0.02m | 9:56PM0.07m | 10:14AM-0.01m | 10:48PM0.06m | 11:07AM-0.00m | 11:40PM0.07m | 11:59AM0.03m | 00:30AM0.10m | 12:51PM0.10m | 1:21AM0.16m | 1:43PM0.17m | 2:12AM0.22m | ||||||||
 | |  |  | | | | | | | | |  | | | | |  |  | | | |
 | 8:15 | — | — | 8:14 | — | — | 8:14 | — | — | 8:12 | — | — | 8:11 | — | — | 8:11 | — | — | 8:11 | — | — |
 | — | 5:10 | — | — | 5:12 | — | — | 5:13 | — | — | 5:14 | — | — | 5:14 | — | — | 5:15 | — | — | 5:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — |
Temp °C | 8 | 10 | 8 | 12 | 13 | 10 | 9 | 9 | 9 | 12 | 13 | 10 | 10 | 12 | 10 | 11 | 13 | 11 | 9 | 8 | 8 |
Feels °C | 2 | 4 | 5 | 7 | 10 | 7 | 6 | 7 | 3 | 6 | 7 | 6 | 7 | 10 | 5 | 7 | 9 | 7 | 6 | 5 | 6 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 12 | ENE 7 | ENE 8 | ENE 6 | SSW 17 | SSW 17 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 15 | SSW 11 | SSW 10 | SE 16 | S 18 | S 17 | SSW 16 | SSW 15 | S 14 | S 9 |
| kJ | 129 | 50 | 50 | 93 | 49 | 459 | 367 | 269 | 184 | 215 | 955 | 1200 | 716 | 385 | 720 | 2092 | 1954 | 1531 | 1292 | 1229 | 257 |
Swell 2 Height (m) Direction Period (s) | E 9 | ESE 9 | ESE 9 | SSW 18 | SSW 16 | ENE 7 | ENE 7 | ENE 7 | NE 6 | ESE 14 | ESE 16 | ESE 16 | ESE 16 | ESE 16 | SSW 9 | ESE 15 | SE 14 | SE 14 | ESE 14 | SE 13 | S 14 |
| kJ | 25 | 16 | 16 | 62 | 89 | 64 | 33 | 20 | 10 | 113 | 100 | 226 | 387 | 566 | 173 | 711 | 589 | 418 | 318 | 245 | 453 |
Swell 3 Height (m) Direction Period (s) | — | S 23 | SSW 13 | SW 13 | ESE 9 | SW 8 | SW 8 | SSW 8 | SW 9 | NE 7 | ESE 13 | NE 7 | NE 6 | S 15 | SSW 14 | — | SSW 22 | S 22 | S 21 | — | SE 12 |
| kJ | — | 10 | 16 | 7 | 7 | 11 | 18 | 25 | 19 | 14 | 55 | 2 | 1 | 165 | 160 | — | 699 | 82 | 75 | — | 152 |
Wind waves Height (m) Direction Period (s) | NE 5 | ENE 6 | — | NNE 3 | — | — | — | — | — | SW 9 | SW 10 | — | NW 4 | — | — | — | — | — | SSW 15 | SW 14 | — |
| kJ | 42 | 80 | — | 1 | — | — | — | — | — | 176 | 768 | — | 5 | — | — | — | — | — | 2629 | 3716 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 12 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 17 | 12 | 0 |
Best forecast wave conditions in Otago | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Otago Peninsula - Boulder Beach Surf forecast
The above surf forecast table for Otago Peninsula - Boulder Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Otago Peninsula - Boulder Beach can be found by selecting the local surf guide option on the grey menu. Our Otago Peninsula - Boulder Beach 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 (Otago Peninsula - Boulder Beach) 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 Otago Peninsula - Boulder Beach 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.
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