Surf Forecasts:
Tam O'Shanter surf forecast from 13 Aug 2026:
- Best quality surf: Friday 14 Aug, 10PM (local time) - 2.5ft (0.8m), 6s period, WNW swell with cross-offshore winds.
- Most powerful swell: Friday 14 Aug, 7AM (local time) - 4.5ft (1.4m), 7s period, WNW swell with 175 kJ wave energy.
- Next surfable swell (1★+): Friday 14 Aug, 10PM (local time) - 2.5ft (0.8m), 6s period with WNW swell.
Best Forecast Surf Conditions for Tam O'Shanter this week:
The surf forecast for Tam O'Shanter over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 14) at 10PM. The primary swell is predicted to be 0.8m and 6s period with a secondary swell of 0.3m and 16s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Tam O'Shanter in the next 16 days are 1.4m 7s and forecast to arrive on Friday (Aug 14) at 7AM. Winds are predicted to be cross-offshore at the time the swell arrives.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Fri 14th Aug) | 2.5ft (0.8m) 6s |
| Best Surf | 10PM (Fri 14th Aug) | 2.5ft (0.8m) 6s |
| Most Powerful | 7AM (Fri 14th Aug) | 4.5ft (1.4m) 7s |
Table - best surf conditions forecast for Tam O'Shanter over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s chew the fat on Tam O’Shanter for the next couple weeks.
Truth is, it’s a grim outlook. The first 11 days are a total write-off—flat, tiny, and lifeless. We’re talking swell heights under 2 feet for most of it, with periods so short you could count the seconds on one hand. The wave energy readings are pathetic, all under 100 (weak), mostly in the 20s and 30s. Even when the wind goes clean, there’s nothing to push.
The Only Real Play
You get one shot, and it’s on Monday, August 24th. A pulse of swell from the WNW shows up, reaching about 5 feet in the morning with a 7-second period. The combined energy hits 245 (moderate). The morning has a cross-offshore wind from the NW at 12 mph, giving you some clean walls if you’re an intermediate looking for a workable wave.
But by the afternoon, the swell bumps to about 6 feet, and the wind swings onshore from the NW at 22 mph, turning it into a lumpy, choppy mess. It’s expert-only by then, and honestly, the short period (7 seconds) means it won’t have much shape anyway.
Late Glimmer That Fizzles
The morning of Wednesday the 26th sees the biggest energy reading of the whole forecast—404 (strong)—with a 6-foot swell from the WNW and a 7-second period. But the wind is cross-onshore from the NNW at 9 mph, so it’s choppy and bumpy. That’s the biggest swell of the run, but the quality is poor. Not a standout, just a messy, powerful day for the brave.
Bottom Line
If you want the best of a bad bunch, paddle out on Monday morning, August 24th. It’s the only window with clean-ish conditions and rideable waves. Everything else is a flat or a blowout. This point rarely breaks, so a long stretch like this isn’t unusual. Forecasts can change, but for now, I’d keep the board in the van.
Stay salty,
Rusty
Short Range ForecastMostly dry. Very mild (max 14°C on Thu afternoon, min 8°C on Fri night). Winds decreasing (fresh winds from the W on Thu night, light winds from the S by Fri night). | Days 5-7 Weather SummaryLight rain (total 7mm), mostly falling on Tue night. Very mild (max 14°C on Tue morning, min 10°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Thu 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||
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) | WNW 6 | WNW 6 | WNW 7 | WNW 6 | NW 16 | NW 16 | NW 16 | NW 15 | WNW 14 | WNW 14 | NW 14 | NW 14 | NW 16 | WNW 16 | WNW 15 | NNE 6 | N 5 | NNE 5 | NNE 5 | N 4 |
Wave Graph  | ||||||||||||||||||||
 kJ | 109 | 136 | 144 | 94 | 40 | 38 | 38 | 34 | 21 | 20 | 8 | 8 | 10 | 24 | 21 | 20 | 17 | 46 | 29 | 14 |
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-on | cross-on | cross-off | cross-off | on | cross | cross | cross-on | cross | cross | cross-on | cross | cross-on | on | cross-on |
High Tide | 11:31PM2.75m | 12:27PM2.69m | 00:36AM2.74m | 1:22PM2.74m | 1:39AM2.72m | 2:13PM2.78m | 2:37AM2.71m | 3:01PM2.80m | 3:30AM2.68m | 3:46PM2.79m | 4:20AM2.64m | 4:28PM2.75m | ||||||||
Low Tide | 5:26PM0.71m | 6:01AM0.21m | 6:30PM0.62m | 7:00AM0.26m | 7:31PM0.51m | 7:55AM0.33m | 8:26PM0.41m | 8:47AM0.41m | 9:18PM0.35m | 9:35AM0.49m | 10:06PM0.32m | 10:20AM0.58m | 10:50PM0.33m | |||||||
 |  | | |  |  | | | |  | | | | | | |  |  | |  | |
 | — | — | 7:03 | — | — | 7:03 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:58 | — | — |
 | 5:28 | — | — | 5:29 | — | — | 5:30 | — | — | 5:30 | — | — | 5:31 | — | — | 5:32 | — | — | 5:34 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 3 | — | 3 |
Temp °C | 14 | 12 | 13 | 13 | 11 | 11 | 11 | 10 | 12 | 12 | 11 | 12 | 13 | 13 | 14 | 14 | 13 | 14 | 13 | 12 |
Feels °C | 8 | 6 | 7 | 7 | 8 | 8 | 9 | 7 | 9 | 10 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | NW 16 | — | NW 16 | NW 16 | NW 6 | NW 5 | NW 16 | NW 15 | WNW 14 | WNW 14 | NE 3 | NW 14 | NW 16 | NNE 5 | WNW 15 | NW 14 | N 5 | NW 14 | NW 14 | N 4 |
| kJ | 41 | — | 41 | 40 | 24 | 3 | 38 | 34 | 21 | 20 | 2 | 8 | 10 | 8 | 21 | 8 | 17 | 8 | 8 | 14 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | NW 16 | NW 16 | NNE 3 | — | — | — | NW 14 | NNE 4 | — | WNW 16 | — | — | NW 14 | — | — | NW 6 |
| kJ | — | — | — | — | 40 | 38 | 1 | — | — | — | 8 | 1 | — | 24 | — | — | 7 | — | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 8 | NW 4 | — | — | — | — | — | — | — | — | — | — | — | — | NW 14 |
| kJ | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 8 |
Wind waves Height (m) Direction Period (s) | WNW 6 | WNW 6 | WNW 7 | WNW 6 | — | NE 3 | — | — | — | — | — | — | NE 4 | — | NNE 5 | NNE 6 | ENE 3 | NNE 5 | NNE 5 | — |
| kJ | 109 | 136 | 144 | 94 | — | 2 | — | — | — | — | — | — | 4 | — | 14 | 20 | 3 | 46 | 29 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 148 | 148 | 155 | 155 | 0 | 155 | 178 | 155 | 164 | 188 | 164 | 164 | 178 | 164 | 211 | 188 | 164 | 188 | 212 | 164 |
Best forecast wave conditions in North Coast of Tasmania | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Tam O'Shanter Surf forecast
The above surf forecast table for Tam O'Shanter provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Tam O'Shanter can be found by selecting the local surf guide option on the grey menu. Our Tam O'Shanter 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 (Tam O'Shanter) 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 Tam O'Shanter 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.
Tam O'Shanter is 11 km (7 miles) from Bell Bay. If you plan a holiday in North Coast of Tasmania, look for hotels and other accommodation in Bell Bay. Bell Bay has rooms for a wide range of budgets as well as car hire and transport links.
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