Surf Forecasts:
Diners Beach surf forecast from 20 Aug 2026:
- Best quality surf: Friday 21 Aug, 3AM (local time) - 3.5ft (1.1m), 16s period, S swell with offshore winds.
- Most powerful swell: Friday 21 Aug, 12PM (local time) - 6ft (1.9m), 16s period, S swell with 1,809 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 9PM (local time) - 6ft (1.9m), 8s period with S swell.
Best Forecast Surf Conditions for Diners Beach this week:
The surf forecast for Diners Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 20) at 9PM. The primary swell is predicted to be 1.9m and 8s period with a secondary swell of 0.9m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Diners Beach in the next 16 days are 1.9m 16s and forecast to arrive on Friday (Aug 21) at 12PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 14s period and expected on Monday (Aug 24) at 9PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Thu 20th Aug) | 6ft (1.9m) 8s |
| Best Surf | 3AM (Fri 21st Aug) | 3.5ft (1.1m) 16s |
| Most Powerful | 12PM (Fri 21st Aug) | 6ft (1.9m) 16s |
Table - best surf conditions forecast for Diners Beach over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 15°C on Sat afternoon, min 9°C on Fri night). Winds decreasing (fresh winds from the SW on Thu morning, calm by Fri morning). | Days 4-6 Weather SummaryMostly dry. Very mild (max 16°C on Sun morning, min 9°C on Tue morning). Winds decreasing (fresh winds from the NW on Sun morning, calm by Tue morning). | ||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||
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) | ESE 8 | ESE 9 | S 8 | S 13 | S 15 | S 13 | S 12 | S 12 | S 11 | S 10 | S 10 | ESE 13 | ESE 13 | ESE 13 | ESE 14 | ESE 13 | ESE 13 | ESE 14 | ESE 13 | S 10 | S 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 235 | 168 | 465 | 1070 | 1697 | 839 | 547 | 383 | 233 | 131 | 48 | 33 | 34 | 35 | 36 | 34 | 16 | 18 | 17 | 51 | 17 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-on | cross-off | cross-off | cross | cross-off | cross-off | cross-off | off | cross-off | cross-on | cross-off | off | on | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:35AM1.41m | 11:54PM1.37m | 12:23PM1.37m | 00:42AM1.32m | 1:11PM1.34m | 1:30AM1.29m | 2:00PM1.33m | 2:19AM1.27m | 2:49PM1.33m | 3:08AM1.26m | 3:38PM1.34m | 3:57AM1.27m | 4:26PM1.36m | ||||||||
Low Tide | 5:48PM0.27m | 6:09AM0.26m | 6:36PM0.32m | 6:55AM0.30m | 7:24PM0.36m | 7:42AM0.33m | 8:13PM0.38m | 8:30AM0.34m | 9:02PM0.38m | 9:18AM0.33m | 9:52PM0.37m | 10:07AM0.31m | 10:42PM0.34m | ||||||||
 | |  |  | |  | | | | | | | | | | | | | | | | |
 | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — |
 | — | 5:34 | — | — | 5:35 | — | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 15 | 14 | 16 | 16 | 14 | 12 | 12 | 12 | 11 | 13 | 13 | 15 | 16 | 15 |
Feels °C | 3 | 5 | 7 | 9 | 8 | 5 | 10 | 12 | 8 | 9 | 10 | 8 | 8 | 10 | 6 | 9 | 10 | 9 | 11 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | S 13 | ESE 9 | S 8 | S 13 | S 15 | S 13 | S 12 | S 12 | S 11 | S 10 | S 10 | NE 5 | SSW 9 | SSW 9 | S 15 | S 13 | S 12 | S 11 | S 14 | SSW 14 | SSW 16 |
| kJ | 694 | 168 | 465 | 1070 | 1697 | 839 | 547 | 383 | 233 | 131 | 48 | 6 | 364 | 554 | 4121 | 1538 | 748 | 286 | 515 | 213 | 411 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | SSW 13 | ESE 9 | S 16 | ESE 10 | S 16 | SE 9 | ESE 10 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | S 16 | ESE 14 | NNE 4 | NNE 5 | S 15 | ESE 13 | S 10 | S 9 |
| kJ | 235 | 273 | 121 | 427 | 133 | 178 | 20 | 18 | 32 | 34 | 34 | 33 | 34 | 195 | 36 | 5 | 2 | 170 | 17 | 51 | 14 |
Swell 3 Height (m) Direction Period (s) | ESE 13 | ESE 13 | S 17 | ESE 10 | — | ESE 10 | E 15 | E 14 | SE 8 | NE 13 | S 17 | S 10 | NNE 5 | ESE 13 | — | ESE 13 | ESE 13 | ESE 14 | NE 4 | SSW 17 | ESE 13 |
| kJ | 18 | 18 | 207 | 138 | — | 60 | 4 | 15 | 3 | 7 | 5 | 8 | 3 | 35 | — | 34 | 16 | 18 | 1 | 101 | 17 |
Wind waves Height (m) Direction Period (s) | SSW 8 | S 8 | — | — | — | NNE 3 | NW 3 | — | NW 4 | N 4 | NNW 4 | WSW 4 | SSW 9 | — | — | N 4 | — | NNE 3 | WNW 3 | — | WNW 3 |
| kJ | 719 | 675 | — | — | — | 4 | 3 | — | 34 | 27 | 40 | 28 | 528 | — | — | 11 | — | 4 | 1 | — | 7 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 58 | 8 | 0 | 0 | 10 | 12 | 0 | 10 | 40 | 40 | 40 | 16 | 40 | 6 | 14 | 6 | 10 | 14 | 17 | 14 | 14 |
Best forecast wave conditions in Gisborne and Mahia | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Diners Beach 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 Diners Beach Surf forecast
The above surf forecast table for Diners Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Diners Beach can be found by selecting the local surf guide option on the grey menu. Our Diners 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 (Diners 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 Diners 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.
Diners Beach is 55 km (34 miles) from the city of Gisborne. If you plan a holiday in Gisborne and Mahia, look for hotels and other accommodation in Gisborne. Gisborne has rooms for a wide range of budgets as well as car hire and transport links.
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