Surf Forecasts:
Pennington Bay surf forecast from 26 Jul 2026:
- Best quality surf: Wednesday 29 Jul, 6AM (local time) - 11ft (3.5m), 16s period, S swell with onshore winds.
- Most powerful swell: Wednesday 29 Jul, 12AM (local time) - 13ft (4.0m), 15s period, SSW swell with 8,059 kJ wave energy.
- Next surfable swell (1★+): Wednesday 29 Jul, 6AM (local time) - 11ft (3.5m), 16s period with S swell.
Best Forecast Surf Conditions for Pennington Bay this week:
The surf forecast for Pennington Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 29) at 6AM. The primary swell is predicted to be 3.5m and 16s period. The wind is predicted to be onshore as the swell arrives.
The most powerful waves expected at Pennington Bay in the next 16 days are 4.0m 15s and forecast to arrive on Wednesday (Jul 29) at 12AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Monday (Jul 27) at 3PM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Wed 29th Jul) | 11ft (3.5m) 16s |
| Best Surf | 6AM (Wed 29th Jul) | 11ft (3.5m) 16s |
| Most Powerful | 12AM (Wed 29th Jul) | 13ft (4.0m) 15s |
Table - best surf conditions forecast for Pennington Bay over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s take a look at what’s cooking for Pennington Bay over the next couple of weeks.
Right off the bat, we’ve got a bit of a rough start. The surf is pretty poor through the first few days, with strong winds and messy conditions making it a write-off. You’re looking at a lot of cross-off and cross-on winds, and the swell is just not clean. There’s a sizeable gap here with no real recommendations until things start to settle down.
The first real glimmer of hope comes on Friday, the 31st of July. The morning is looking glassy with a light NNE breeze, and while the swell is small at 3ft from the south, it’s clean. The afternoon gets even better with a light offshore breeze from the NE, and the swell holds at 3ft. The energy is moderate (447-677), and the waves should be clean and fun. This is a solid, small-wave day for the beginner-plus crew.
The real standout, though, is shaping up for Wednesday, the 5th of August. The afternoon is looking absolutely mint. We’ve got a 5ft south swell with a 15-second period, and the wind is completely glassy. The energy is strong (1581), and the conditions are described as excellent for experienced surfers. This is a proper groundswell, and while the long period will make it a bit more powerful and lined up, it’s heavy enough to be for the more experienced lot. The offshore wind from the NNE earlier in the morning sets it up, but that glassy afternoon is the pick of the forecast.
The week following has some clean, small waves, particularly on the 7th, with offshore winds and 3ft to 4ft south swell, but nothing that beats that Wednesday afternoon session. The 11th of August also looks promising, with a glassy start and a 5ft south swell, but it’s a long way off, so keep an eye on it.
So, for the best wave: lock in the afternoon of Wednesday, 5th August at Pennington Bay. It’s a bit of a wait, but it’ll be worth it for the experienced crew.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Mon night. Very mild (max 16°C on Mon afternoon, min 11°C on Tue afternoon). Winds decreasing (strong winds from the NNW on Mon morning, light winds from the SW by Wed morning). | Days 5-7 Weather SummaryMostly dry. Very mild (max 12°C on Wed night, min 11°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | ||||||||||||||
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) | S 11 | S 13 | SSW 13 | SSW 12 | SSW 16 | SSW 15 | SSW 15 | S 16 | S 15 | S 14 | SSW 13 | S 13 | S 13 | S 12 | S 13 | S 18 | S 16 | S 16 | S 17 |
Wave Graph  | |||||||||||||||||||
 kJ | 244 | 440 | 451 | 666 | 1298 | 3114 | 8059 | 5375 | 3294 | 1950 | 711 | 506 | 414 | 309 | 355 | 399 | 765 | 1222 | 1630 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | on | on | on | on | on | glassy | glassy | off | off | off | off | off |
High Tide | 2:22PM1.26m | 5:39AM0.74m | 3:15PM1.32m | 5:22AM0.82m | 3:55PM1.38m | 5:30AM0.90m | 4:31PM1.43m | 5:43AM0.99m | 5:04PM1.45m | 6:00AM1.08m | 5:35PM1.43m | ||||||||
Low Tide | 10:13PM0.39m | 10:28PM0.31m | 8:12AM0.72m | 10:47PM0.26m | 9:18AM0.67m | 11:08PM0.23m | 10:03AM0.62m | 11:28PM0.23m | 10:41AM0.56m | 11:48PM0.25m | 11:17AM0.52m | 00:07AM0.28m | |||||||
 |  | |  |  |  | | |  | | | | | | |  | | | | |
 | — | 7:20 | — | — | 7:18 | — | — | 7:18 | — | — | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — |
 | — | — | 5:30 | — | — | 5:31 | — | — | 5:31 | — | — | 5:32 | — | — | 5:34 | — | — | 5:35 | — |
mm | — | — | — | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 15 | 16 | 14 | 13 | 11 | 12 | 12 | 12 | 12 | 11 | 11 | 12 | 12 | 11 | 11 | 12 | 12 | 13 |
Feels °C | 10 | 7 | 8 | 7 | 7 | 2 | 7 | 8 | 7 | 8 | 8 | 8 | 10 | 9 | 8 | 7 | 6 | 7 | 8 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 13 | SSW 13 | SSW 12 | SSW 16 | SSE 15 | S 16 | S 16 | S 15 | S 14 | SSW 13 | S 13 | S 13 | S 12 | S 13 | S 13 | S 16 | S 16 | S 17 |
| kJ | 244 | 440 | 451 | 666 | 1298 | 23 | 6548 | 5375 | 3294 | 1950 | 711 | 506 | 414 | 309 | 355 | 330 | 765 | 1222 | 1630 |
Swell 2 Height (m) Direction Period (s) | S 15 | SSE 10 | S 10 | — | — | — | — | — | — | — | SSE 10 | SSE 10 | S 9 | SSE 9 | S 20 | S 18 | SSW 21 | SSW 19 | — |
| kJ | 112 | 31 | 7 | — | — | — | — | — | — | — | 370 | 282 | 169 | 59 | 276 | 399 | 44 | 74 | — |
Swell 3 Height (m) Direction Period (s) | SSW 15 | — | — | — | — | — | — | — | — | — | — | S 24 | S 22 | S 21 | SSE 8 | — | SSW 22 | SSE 8 | — |
| kJ | 126 | — | — | — | — | — | — | — | — | — | — | 11 | 10 | 79 | 46 | — | 45 | 6 | — |
Wind waves Height (m) Direction Period (s) | NNW 2 | N 4 | NNW 5 | NW 4 | SW 8 | SSW 15 | SSW 15 | — | — | — | — | — | — | ENE 2 | — | ESE 8 | N 4 | N 4 | N 4 |
| kJ | 1 | 26 | 91 | 26 | 281 | 3114 | 8059 | — | — | — | — | — | — | 1 | — | 26 | 14 | 21 | 28 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 54 | 83 | 372 | 628 | 945 | 939 | 1110 | 57 | 364 | 57 | 57 | 57 | 54 | 54 | 54 | 54 | 54 | 54 | 71 |
Best forecast wave conditions in Kangaroo Island | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
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Information about the Pennington Bay Surf forecast
The above surf forecast table for Pennington Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Pennington Bay can be found by selecting the local surf guide option on the grey menu. Our Pennington 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 (Pennington 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 Pennington 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 Kangaroo Island? If you are looking for accommodation near Pennington Bay, camping, hotels and holiday cottages in Kangaroo Island, consider staying in Kingscote which is 25 km (16 miles) away. Alternatively, find information about places to stay and car hire in Rapid Bay which is 54 km (34 miles) away
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