
Surf Forecasts:
Dirk Hartog Island surf forecast from 11 Aug 2026:
- Best quality surf: Tuesday 18 Aug, 5AM (local time) - 10ft (3.0m), 17s period, SW swell with cross-offshore winds.
- Most powerful swell: Wednesday 12 Aug, 2AM (local time) - 11ft (3.5m), 16s period, SSW swell with 7,127 kJ wave energy.
- Next surfable swell (1★+): Thursday 13 Aug, 2PM (local time) - 8ft (2.5m), 15s period with SW swell.
Best Forecast Surf Conditions for Dirk Hartog Island this week:
The surf forecast for Dirk Hartog Island over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 13) at 2PM. The primary swell is predicted to be 2.5m and 15s period with a secondary swell of 0.7m and 20s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Dirk Hartog Island in the next 16 days are 3.5m 16s and forecast to arrive on Wednesday (Aug 12) at 2AM. 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 5s period and expected on Wednesday (Aug 12) at 8AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Thu 13th Aug) | 8ft (2.5m) 15s |
| Best Surf | 5AM (Tue 18th Aug) | 10ft (3.0m) 17s |
| Most Powerful | 2AM (Wed 12th Aug) | 11ft (3.5m) 16s |
Table - best surf conditions forecast for Dirk Hartog Island over the next 16 days.
Short Range ForecastMostly dry. Warm (max 21°C on Wed night, min 13°C on Tue night). Winds decreasing (strong winds from the ESE on Tue night, light winds from the SSE by Thu afternoon). | Days 5-7 Weather SummaryMostly dry. Warm (max 21°C on Sat afternoon, min 18°C on Sat morning). Winds decreasing (fresh winds from the SSE on Fri night, light winds from the WNW by Sun afternoon). | ||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | ||||||||||||||
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 16 | SW 16 | SSW 16 | SW 15 | SW 15 | SW 16 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 16 | SW 15 | SW 15 | SW 16 | SW 17 |
Wave Graph | |||||||||||||||||||
7127 | 4645 | 3552 | 2491 | 2525 | 3369 | 4501 | 3761 | 3211 | 2390 | 1888 | 1602 | 1044 | 755 | 2113 | 2620 | 1976 | 2205 | 4845 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | cross | cross-off | cross-off | cross-on | cross-off | cross-off | cross-on | cross | off | on | on | on | cross-on | cross |
High Tide | 8:42AM0.87m | 00:10AM0.43m | 9:41AM0.84m | 11:55PM0.48m | 10:34AM0.77m | 00:06AM0.55m | 11:22AM0.68m | 00:25AM0.63m | 12:06PM0.58m | 00:49AM0.69m | 12:48PM0.49m | 1:16AM0.73m | |||||||
Low Tide | 5:02PM0.04m | 2:24AM0.41m | 5:24PM0.09m | 3:55AM0.37m | 5:39PM0.15m | 5:03AM0.34m | 5:49PM0.21m | 6:05AM0.31m | 5:55PM0.25m | 7:05AM0.30m | 5:59PM0.27m | ||||||||
— | 6:58 | — | — | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — | |
6:05 | — | 6:05 | — | — | 6:06 | — | — | 6:06 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 14 | 20 | 21 | 17 | 20 | 20 | 19 | 21 | 20 | 19 | 21 | 21 | 20 | 21 | 21 | 20 | 20 | 20 |
Feels °C | 9 | 5 | 14 | 14 | 9 | 16 | 13 | 13 | 17 | 13 | 15 | 17 | 15 | 18 | 19 | 17 | 16 | 17 | 18 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SW 16 | SSW 16 | SW 15 | SW 15 | SW 16 | SW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 16 | SW 15 | SW 15 | SW 16 | SW 17 |
7127 | 4645 | 3552 | 2491 | 2525 | 3369 | 4501 | 3761 | 3211 | 2390 | 1888 | 1602 | 1044 | 755 | 2113 | 2620 | 1976 | 2205 | 4845 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | ENE 3 | — | — | — | S 6 | — | — | — | SW 18 | SW 13 | SW 21 | SW 19 | SW 19 | — |
— | — | — | — | — | 1 | — | — | — | 1 | — | — | — | 249 | 40 | 873 | 1210 | 1088 | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | S 5 | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | 8 | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | SE 4 | E 5 | E 3 | ESE 4 | ENE 4 | — | SE 4 | E 4 | SW 16 | S 6 | ESE 3 | SW 14 | SSE 5 | E 3 | — | WSW 15 | W 4 | WSW 19 | S 3 |
24 | 51 | 4 | 21 | 22 | — | 10 | 7 | 302 | 69 | 3 | 102 | 35 | 6 | — | 270 | 26 | 589 | 5 | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 198 | 298 | 198 | 269 | 298 | 198 | 198 | 197 | 565 | 269 | 197 | 828 | 298 | 0 | 321 | 928 | 1072 | 838 | 198 |
Best forecast wave conditions in North West WA | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
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Information about the Dirk Hartog Island Surf forecast
The above surf forecast table for Dirk Hartog Island provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Dirk Hartog Island can be found by selecting the local surf guide option on the grey menu. Our Dirk Hartog Island 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 (Dirk Hartog Island) 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 Dirk Hartog Island 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 North West WA? If you are looking for accommodation near Dirk Hartog Island, camping, hotels and holiday cottages in North West WA, consider staying in Useless Loop which is 20 km (12 miles) away.











