Surf Forecasts:
Bruny Island - Lighthouse Bay surf forecast from 20 Aug 2026:
- Best quality surf: Saturday 22 Aug, 1AM (local time) - 15ft (4.5m), 15s period, WSW swell with cross-offshore winds.
- Most powerful swell: Sunday 23 Aug, 7AM (local time) - 16ft (5.0m), 14s period, SW swell with 10,191 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 10AM (local time) - 3.5ft (1.1m), 15s period with SW swell.
Best Forecast Surf Conditions for Bruny Island - Lighthouse Bay this week:
The surf forecast for Bruny Island - Lighthouse Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 21) at 10AM. The primary swell is predicted to be 1.1m and 15s period with a secondary swell of 0.5m and 20s. Another secondary swell of 0.4m and 7s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Bruny Island - Lighthouse Bay in the next 16 days are 5.0m 14s and forecast to arrive on Sunday (Aug 23) at 7AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Monday (Aug 24) at 4AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Fri 21st Aug) | 3.5ft (1.1m) 15s |
| Best Surf | 1AM (Sat 22nd Aug) | 15ft (4.5m) 15s |
| Most Powerful | 7AM (Sun 23rd Aug) | 16ft (5.0m) 14s |
Table - best surf conditions forecast for Bruny Island - Lighthouse Bay over the next 16 days.
Short Range ForecastModerate rain (total 19mm), heaviest on Fri night. Very mild (max 13°C on Sun morning, min 8°C on Fri night). Winds increasing (light winds from the WNW on Fri morning, near gales from the WSW by Sat morning). | Days 4-6 Weather SummaryModerate rain (total 14mm), heaviest on Mon morning. Very mild (max 14°C on Mon morning, min 8°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||
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) | SW 15 | SW 14 | WSW 15 | SW 12 | SW 14 | SW 14 | SSW 14 | WSW 13 | SW 14 | SW 13 | SW 13 | WSW 13 | SW 13 | SW 13 | SW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 11 | SSW 13 | SW 19 |
Wave Graph  | |||||||||||||||||||||
 kJ | 565 | 393 | 8611 | 7215 | 8354 | 5747 | 4820 | 5859 | 2684 | 2677 | 2752 | 6694 | 2207 | 1697 | 911 | 594 | 1044 | 915 | 431 | 572 | 1370 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | glassy | glassy | cross-on | cross-on | cross-on | cross | off | off | cross-off | off |
High Tide | 1:00PM0.63m | 1:28PM0.66m | 2:01PM0.69m | 2:35PM0.72m | 3:10PM0.73m | 3:46PM0.73m | 4:23PM0.72m | ||||||||||||||
Low Tide | 9:52PM0.18m | 10:15PM0.16m | 10:40PM0.15m | 11:08PM0.15m | 11:39PM0.15m | 00:10AM0.16m | 00:41AM0.19m | ||||||||||||||
 | |  |  |  |  | | | | | |  |  | |  | | |  |  | | | |
 | 6:58 | — | — | 6:56 | — | — | 6:54 | — | — | 6:52 | — | — | 6:50 | — | — | 6:50 | — | — | 6:48 | — | — |
 | — | 5:30 | — | — | 5:32 | — | — | 5:34 | — | — | 5:35 | — | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — |
mm | 1 | 2 | 15 | 1 | — | — | — | — | — | 3 | 5 | 6 | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 11 | 10 | 9 | 10 | 10 | 13 | 13 | 13 | 14 | 12 | 11 | 12 | 11 | 10 | 10 | 11 | 10 | 10 | 11 | 9 |
Feels °C | 9 | 4 | -2 | -4 | -2 | 1 | 7 | 9 | 8 | 8 | 9 | 10 | 9 | 5 | 3 | 4 | 5 | 5 | 4 | 7 | 4 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 14 | SW 15 | SSW 24 | SSW 21 | SSW 20 | SSW 14 | SW 13 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 11 | SSW 13 | SW 19 |
| kJ | 565 | 393 | 3022 | 54 | 180 | 253 | 4820 | 2764 | 2684 | 2677 | 2752 | 3028 | 2207 | 1697 | 911 | 594 | 1044 | 915 | 431 | 572 | 1370 |
Swell 2 Height (m) Direction Period (s) | SW 20 | SW 18 | NE 8 | — | — | — | — | SSW 16 | — | — | — | — | SW 16 | SW 17 | SSW 12 | SW 14 | ESE 7 | ESE 6 | E 6 | E 7 | SW 11 |
| kJ | 188 | 334 | 10 | — | — | — | — | 1179 | — | — | — | — | 214 | 287 | 399 | 549 | 149 | 40 | 19 | 36 | 429 |
Swell 3 Height (m) Direction Period (s) | NE 7 | ENE 8 | — | — | — | — | — | — | — | — | — | — | E 15 | SE 16 | SE 16 | SE 16 | SW 13 | SW 13 | SW 15 | SW 22 | E 8 |
| kJ | 12 | 6 | — | — | — | — | — | — | — | — | — | — | 4 | 10 | 10 | 9 | 245 | 85 | 76 | 227 | 44 |
Wind waves Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 15 | SW 12 | SW 14 | SW 14 | — | WSW 13 | — | — | — | WSW 13 | — | — | SSE 6 | SE 7 | — | WSW 5 | — | — | — |
| kJ | 15 | 220 | 8611 | 7215 | 8354 | 5747 | — | 5859 | — | — | — | 6694 | — | — | 138 | 423 | — | 37 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 58 | 98 | 54 | 601 | 601 | 76 | 7 | 7 | 7 | 58 | 7 | 7 | 7 | 156 | 340 | 237 | 59 | 9 | 9 | 54 | 9 |
Best forecast wave conditions in East Coast of Tasmania | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Bruny Island - Lighthouse Bay Surf forecast
The above surf forecast table for Bruny Island - Lighthouse Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Bruny Island - Lighthouse Bay can be found by selecting the local surf guide option on the grey menu. Our Bruny Island - Lighthouse Bay 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 (Bruny Island - Lighthouse Bay) 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 Bruny Island - Lighthouse Bay 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 East Coast of Tasmania? If you are looking for accommodation near Bruny Island - Lighthouse Bay, camping, hotels and holiday cottages in East Coast of Tasmania, consider staying in Hobart which is 67 km (42 miles) away. Alternatively, find information about places to stay and car hire in Port Arthur which is 68 km (42 miles) away
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