Surf Forecasts:
Rennies Beach surf forecast from 21 Sep 2026:
- Best quality surf: Tuesday 22 Sep, 7PM (local time) - 3.5ft (1.1m), 8s period, SSE swell with cross-offshore winds.
- Most powerful swell: Monday 21 Sep, 4PM (local time) - 10ft (3.0m), 9s period, SSE swell with 1,424 kJ wave energy.
- Next surfable swell (1★+): Tuesday 22 Sep, 7PM (local time) - 3.5ft (1.1m), 8s period with SSE swell.
Best Forecast Surf Conditions for Rennies Beach this week:
The surf forecast for Rennies Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 22) at 7PM. The primary swell is predicted to be 1.1m and 8s period with a secondary swell of 0.4m and 19s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Rennies Beach in the next 16 days are 3.0m 9s and forecast to arrive on Monday (Sep 21) at 4PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 7s period and expected on Thursday (Sep 24) at 4PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Tue 22nd Sep) | 3.5ft (1.1m) 8s |
| Best Surf | 7PM (Tue 22nd Sep) | 3.5ft (1.1m) 8s |
| Most Powerful | 4PM (Mon 21st Sep) | 10ft (3.0m) 9s |
Table - best surf conditions forecast for Rennies Beach over the next 16 days.
Short Range ForecastLight rain (total 3mm), mostly falling on Mon afternoon. Very mild (max 17°C on Mon morning, min 12°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 33°C on Sat morning, min 13°C on Sat night). Winds decreasing (fresh winds from the NE on Thu morning, calm by Fri night). | ||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 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) | SSE 6 | SSE 9 | SSE 8 | SSE 10 | SSE 10 | SSE 19 | S 9 | S 10 | S 10 | S 10 | S 10 | S 10 | ENE 6 | ENE 7 | ENE 8 | ENE 8 | S 10 | ENE 7 | S 9 | ENE 8 | SE 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 84 | 1424 | 427 | 378 | 230 | 119 | 81 | 74 | 49 | 47 | 30 | 16 | 49 | 199 | 183 | 101 | 8 | 66 | 7 | 74 | 54 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | cross | off | glassy | cross | cross-off | cross-off | cross-off | off | cross-off | off | glassy | cross-off | cross-off | cross-on | on | cross-on | glassy |
High Tide | 4:04PM1.47m | 5:16AM1.13m | 4:58PM1.51m | 5:58AM1.21m | 5:45PM1.55m | 6:36AM1.31m | 6:28PM1.58m | 7:12AM1.40m | 7:10PM1.59m | 7:48AM1.50m | 7:52PM1.58m | 8:23AM1.58m | 8:34PM1.54m | ||||||||
Low Tide | 11:07PM0.45m | 10:33AM0.68m | 11:49PM0.39m | 11:27AM0.61m | 00:26AM0.34m | 12:16PM0.54m | 1:01AM0.29m | 1:02PM0.47m | 1:35AM0.27m | 1:46PM0.40m | 2:08AM0.26m | 2:31PM0.34m | 2:43AM0.28m | ||||||||
 |  |  | | |  | |  |  |  | |  | | | | | | | | | | |
 | 5:50 | — | — | 5:48 | — | — | 5:47 | — | — | 5:46 | — | — | 5:43 | — | — | 5:43 | — | — | 5:41 | — | — |
 | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | — | 5:54 | — | — | 5:55 | — | — | 5:55 | — | — | 5:57 | — |
mm | — | 1 | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 13 | 13 | 15 | 15 | 14 | 16 | 16 | 16 | 23 | 19 | 20 | 31 | 30 | 25 | 33 | 33 | 15 | 14 | 14 | 13 |
Feels °C | 14 | 8 | 8 | 12 | 12 | 13 | 16 | 15 | 17 | 17 | 14 | 18 | 28 | 27 | 22 | 29 | 28 | 13 | 10 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | S 12 | — | S 11 | SSE 10 | SSE 10 | S 9 | S 9 | S 10 | NE 7 | S 10 | S 10 | NE 6 | ENE 6 | S 9 | ENE 8 | ENE 8 | S 10 | ENE 7 | NE 8 | ENE 8 | SE 6 |
| kJ | 69 | — | 114 | 378 | 230 | 108 | 81 | 74 | 114 | 47 | 30 | 108 | 49 | 6 | 183 | 101 | 8 | 66 | 86 | 74 | 54 |
Swell 2 Height (m) Direction Period (s) | NE 4 | — | S 15 | S 19 | S 19 | SSE 19 | S 19 | S 20 | S 10 | S 18 | — | S 10 | S 9 | S 15 | S 8 | S 8 | — | S 10 | S 9 | S 9 | NE 7 |
| kJ | 1 | — | 40 | 7 | 61 | 119 | 7 | 7 | 49 | 6 | — | 16 | 6 | 4 | 5 | 5 | — | 2 | 7 | 2 | 42 |
Swell 3 Height (m) Direction Period (s) | E 12 | — | — | E 11 | E 11 | E 11 | — | E 13 | E 13 | — | — | E 12 | E 12 | — | S 14 | S 10 | — | — | E 16 | — | S 10 |
| kJ | 3 | — | — | 2 | 2 | 2 | — | 3 | 3 | — | — | 3 | 3 | — | 4 | 2 | — | — | 5 | — | 8 |
Wind waves Height (m) Direction Period (s) | SSE 6 | SSE 9 | SSE 8 | — | — | ENE 4 | ENE 5 | NE 6 | NE 7 | NE 6 | NE 7 | NE 6 | NE 6 | ENE 7 | SSW 8 | — | NE 7 | — | WSW 3 | SSE 4 | — |
| kJ | 84 | 1424 | 427 | — | — | 26 | 37 | 184 | 279 | 56 | 501 | 216 | 122 | 199 | 13 | — | 132 | — | 1 | 4 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 86 | 470 | 17 | 6 | 29 | 0 | 0 | 29 | 1 | 29 | 124 | 1 | 1 | 0 | 0 | 0 | 1 | 6 | 17 | 6 | 1 |
Best forecast wave conditions in South Coast - New South Wales | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Rennies Beach Surf forecast
The above surf forecast table for Rennies Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Rennies Beach can be found by selecting the local surf guide option on the grey menu. Our Rennies Beach 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 (Rennies Beach) 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 Rennies Beach 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 South Coast - New South Wales? If you are looking for accommodation near Rennies Beach, camping, hotels and holiday cottages in South Coast - New South Wales, consider staying in Nowra which is 55 km (34 miles) away. Alternatively, find information about places to stay and car hire in Goulburn which is 98 km (61 miles) away
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