Surf Forecasts:
Dirk Hartog Island surf forecast from 18 Sep 2026:
- Most powerful swell: Saturday 26 Sep, 5AM (local time) - 11ft (3.5m), 17s period, SW swell with 8,323 kJ wave energy.
Best Forecast Surf Conditions for Dirk Hartog Island this week:
The most powerful waves expected at Dirk Hartog Island in the next 16 days are 3.5m 17s and forecast to arrive on Saturday (Sep 26) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Sunday (Sep 20) at 8AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5AM (Sat 26th Sep) | 11ft (3.5m) 17s |
Table - best surf conditions forecast for Dirk Hartog Island over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 19°C on Mon morning, min 17°C on Sat night). Winds increasing (light winds from the SSW on Sat morning, fresh winds from the S by Mon night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 19°C on Tue morning, min 18°C on Wed afternoon). Mainly strong winds. | ||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | |||||||||||||||
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) | WSW 15 | SW 15 | SW 14 | SW 13 | SW 13 | SW 13 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 12 | SW 13 | SW 14 | SW 14 | SW 19 | SW 18 |
Wave Graph  | |||||||||||||||||||||
 kJ | 4429 | 3966 | 2766 | 1619 | 1075 | 1247 | 2721 | 2868 | 2584 | 2148 | 1594 | 1139 | 1014 | 1164 | 677 | 584 | 778 | 686 | 791 | 1254 | 4113 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-off | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 2:37AM0.68m | 3:55AM0.65m | 5:23AM0.64m | 6:39AM0.64m | 10:37PM0.49m | 7:42AM0.64m | 9:55PM0.53m | 8:39AM0.64m | 9:54PM0.58m | ||||||||||||
Low Tide | 1:09PM0.24m | 1:56PM0.21m | 2:25PM0.20m | 2:47PM0.18m | 3:06PM0.18m | 1:57AM0.47m | 3:22PM0.20m | 2:53AM0.40m | 3:36PM0.22m | 3:37AM0.33m | |||||||||||
 | |  | | | | | | | | | |  | | | | |  | |  | | |
 | 6:20 | — | — | 6:18 | — | — | 6:18 | — | — | 6:16 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — |
 | — | 6:21 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:23 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — |
Temp °C | 18 | 18 | 18 | 17 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 19 | 19 | 19 | 19 | 18 | 17 |
Feels °C | 15 | 14 | 13 | 13 | 15 | 13 | 17 | 16 | 15 | 15 | 14 | 13 | 15 | 13 | 12 | 15 | 15 | 13 | 15 | 11 | 7 |
Swell 1 Height (m) Direction Period (s) | WSW 15 | SW 15 | SW 14 | SW 13 | SW 13 | SW 13 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 12 | SW 13 | SW 14 | SW 14 | SW 14 | SW 18 |
| kJ | 4429 | 3966 | 2766 | 1619 | 1075 | 1247 | 2721 | 2868 | 2584 | 2148 | 1594 | 1139 | 1014 | 1164 | 677 | 584 | 778 | 686 | 791 | 957 | 4113 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | S 10 | — | — | — | — | — | — | SSW 6 | — | — | SW 16 | — | SW 24 | SW 21 | SW 19 | — |
| kJ | — | — | — | — | — | 8 | — | — | — | — | — | — | 50 | — | — | 40 | — | 22 | 358 | 1254 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | WSW 15 | SSE 3 | SE 3 | S 3 | S 3 | SSE 3 | SW 15 | S 4 | SSE 3 | S 4 | S 5 | SSE 3 | SSW 13 | S 6 | S 6 | S 6 | S 7 | SSW 7 | SSW 7 | SSW 10 |
| kJ | — | 449 | 3 | 4 | 5 | 8 | 2 | 276 | 33 | 3 | 31 | 67 | 1 | 222 | 124 | 75 | 89 | 311 | 208 | 139 | 1494 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 484 | 1937 | 197 | 198 | 687 | 198 | 198 | 828 | 321 | 828 | 1921 | 385 | 687 | 1060 | 321 | 687 | 838 | 828 | 828 | 1934 | 828 |
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.
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