Surf Forecasts:
Trial Harbour surf forecast from 8 Aug 2026:
- Best quality surf: Thursday 13 Aug, 7AM (local time) - 16ft (5.0m), 14s period, WSW swell with onshore winds.
- Most powerful swell: Friday 14 Aug, 7AM (local time) - 18ft (5.5m), 16s period, WSW swell with 16,185 kJ wave energy.
- Next surfable swell (1★+): Sunday 9 Aug, 4PM (local time) - 4.5ft (1.4m), 16s period with WSW swell.
Best Forecast Surf Conditions for Trial Harbour this week:
The surf forecast for Trial Harbour over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 09) at 4PM. The primary swell is predicted to be 1.4m and 16s period with a secondary swell of 1.5m and 13s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Trial Harbour in the next 16 days are 5.5m 16s and forecast to arrive on Friday (Aug 14) at 7AM. Winds are predicted to be onshore 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 (Aug 09) at 10AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Sun 9th Aug) | 4.5ft (1.4m) 16s |
| Best Surf | 7AM (Thu 13th Aug) | 16ft (5.0m) 14s |
| Most Powerful | 7AM (Fri 14th Aug) | 18ft (5.5m) 16s |
Table - best surf conditions forecast for Trial Harbour over the next 16 days.
Short Range ForecastLight rain (total 8mm), mostly falling on Sun night. Very mild (max 14°C on Sun morning, min 10°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 41mm), heaviest during Tue night. Very mild (max 12°C on Thu morning, min 8°C on Wed afternoon). Winds decreasing (fresh winds from the WNW on Wed morning, light winds from the S by Fri afternoon). | ||||||||||||||||||
Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||||
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 14 | WSW 13 | WSW 16 | WSW 19 | WSW 17 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | SW 16 | WSW 16 | SW 15 | WSW 16 | WSW 14 | WSW 15 | WSW 16 | WSW 16 | WSW 16 | SW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 2561 | 1155 | 1055 | 3298 | 5990 | 5031 | 3162 | 2582 | 2968 | 3455 | 9095 | 4745 | 13119 | 10605 | 10867 | 13840 | 15218 | 12813 | 9822 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | cross-off | cross | cross-on | on | cross | cross | cross-on | cross-on | on | on | on | on | cross-on | cross | off |
High Tide | 1:21PM0.71m | 1:20PM0.75m | 1:26PM0.77m | 1:32PM0.76m | 1:37PM0.74m | 10:39PM0.40m | 1:42PM0.71m | 00:30AM0.47m | |||||||||||
Low Tide | 10:49PM0.04m | 11:37PM0.05m | 00:57AM0.08m | 3:16AM0.10m | 4:56AM0.10m | 9:23PM0.40m | 6:00AM0.11m | 8:10PM0.36m | |||||||||||
 |  |  |  |  | |  | | |  | |  | |  | | | | |  | |
 | — | 7:20 | — | — | 7:18 | — | — | 7:16 | — | — | 7:16 | — | — | 7:13 | — | — | 7:13 | — | — |
 | — | — | 5:30 | — | — | 5:30 | — | — | 5:31 | — | — | 5:32 | — | — | 5:34 | — | — | 5:35 | — |
mm | — | — | — | 3 | 1 | — | 4 | — | — | 21 | 2 | 7 | 2 | 2 | 2 | 4 | 1 | — | — |
Temp °C | 11 | 14 | 12 | 11 | 12 | 12 | 12 | 11 | 11 | 11 | 9 | 9 | 11 | 12 | 12 | 11 | 11 | 10 | 8 |
Feels °C | 7 | 10 | 9 | 8 | 10 | 8 | 7 | 7 | 6 | 5 | 3 | 1 | 5 | 7 | 7 | 5 | 5 | 5 | 4 |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 13 | WSW 13 | WSW 19 | WSW 17 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | SW 16 | WSW 20 | SW 15 | WSW 16 | WSW 14 | WSW 15 | WSW 16 | WSW 16 | WSW 16 | SW 15 |
| kJ | 2561 | 1155 | 732 | 3298 | 5990 | 5031 | 3162 | 2582 | 2968 | 3455 | 1342 | 4745 | 13119 | 10605 | 10867 | 13840 | 15218 | 12813 | 9822 |
Swell 2 Height (m) Direction Period (s) | W 18 | NW 8 | WSW 16 | WSW 14 | NW 7 | NW 7 | NW 7 | W 13 | SW 18 | WSW 16 | W 20 | WSW 18 | SW 12 | — | SW 18 | — | — | — | — |
| kJ | 163 | 187 | 1055 | 1644 | 18 | 8 | 7 | 276 | 921 | 1586 | 791 | 2777 | 1256 | — | 2030 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | WSW 18 | NW 8 | NW 8 | — | — | — | WSW 20 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 443 | 101 | 36 | — | — | — | 216 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 6 | NE 3 | — | — | — | SSW 4 | SW 5 | WSW 7 | — | WNW 8 | WSW 16 | WNW 9 | — | WSW 14 | — | WSW 16 | — | — | — |
| kJ | 71 | 4 | — | — | — | 29 | 89 | 403 | — | 763 | 9095 | 949 | — | 5945 | — | 7735 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 222 | 222 | 0 | 0 | 0 | 121 | 218 | 218 | 218 | 222 | 218 | 218 | 218 | 218 | 218 | 218 | 235 | 222 | 0 |
Best forecast wave conditions in West Coast of Tasmania | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
Header Global | |||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Trial Harbour 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 Trial Harbour Surf forecast
The above surf forecast table for Trial Harbour provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Trial Harbour can be found by selecting the local surf guide option on the grey menu. Our Trial Harbour 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 (Trial Harbour) 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 Trial Harbour 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.
Trial Harbour is 27 km (17 miles) from Strahan. If you plan a holiday in West Coast of Tasmania, look for hotels and other accommodation in Strahan. Strahan has rooms for a wide range of budgets as well as car hire and transport links.
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