Surf Forecasts:
Sleaford Bay (Wreck Beach) surf forecast from 17 Jun 2026:
- Best quality surf: Tuesday 23 Jun, 9PM (local time) - 10ft (3.0m), 14s period, SW swell with offshore winds.
- Most powerful swell: Friday 19 Jun, 12PM (local time) - 13ft (4.0m), 17s period, SW swell with 9,009 kJ wave energy.
- Next surfable swell (1★+): Sunday 21 Jun, 9AM (local time) - 5.5ft (1.7m), 14s period with SW swell.
Best Forecast Surf Conditions for Sleaford Bay (Wreck Beach) this week:
The surf forecast for Sleaford Bay (Wreck Beach) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jun 21) at 9AM. The primary swell is predicted to be 1.7m and 14s period with a secondary swell of 1.0m and 9s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Sleaford Bay (Wreck Beach) in the next 16 days are 4.0m 17s and forecast to arrive on Friday (Jun 19) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 8s period and expected on Thursday (Jun 18) at 9AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Sun 21st Jun) | 5.5ft (1.7m) 14s |
| Best Surf | 9PM (Tue 23rd Jun) | 10ft (3.0m) 14s |
| Most Powerful | 12PM (Fri 19th Jun) | 13ft (4.0m) 17s |
Table - best surf conditions forecast for Sleaford Bay (Wreck Beach) over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 35mm), heaviest during Wed morning. Very mild (max 17°C on Wed morning, min 11°C on Thu morning). Winds increasing (light winds from the W on Wed afternoon, strong winds from the NNW by Thu afternoon). | Days 4-6 Weather SummaryMostly dry. Very mild (max 14°C on Sun morning, min 11°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||
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 13 | SW 13 | SW 12 | SW 12 | SSW 22 | WSW 20 | SW 11 | SW 17 | SSW 16 | SSW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 16 | SW 15 | SW 15 | SW 15 | WSW 14 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 999 | 732 | 473 | 319 | 317 | 5815 | 4554 | 8038 | 5601 | 4797 | 1968 | 1669 | 1179 | 1184 | 1551 | 1124 | 1171 | 1606 | 1997 | 2261 | 3324 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | off | cross-off | cross-on | cross-on | cross-on | on | on | on | on | glassy | cross-on | cross-off | off | cross-off | off | off | off | off |
High Tide | 3:25PM1.40m | 3:36AM0.41m | 3:52PM1.33m | 4:02AM0.46m | 4:18PM1.22m | 4:37AM0.52m | 4:40PM1.08m | 5:23AM0.56m | 5:00PM0.93m | 6:29AM0.60m | 5:10PM0.77m | 8:26AM0.66m | 4:26PM0.63m | ||||||||
Low Tide | 10:51PM0.08m | 8:36AM0.08m | 11:11PM0.12m | 9:11AM0.13m | 11:31PM0.15m | 9:46AM0.21m | 11:52PM0.18m | 10:25AM0.33m | 00:14AM0.21m | 11:12AM0.47m | 00:37AM0.24m | 12:58PM0.60m | 1:01AM0.28m | ||||||||
 |  |  |  |  |  | | | | | | | | |  |  | |  |  | | | |
 | 7:33 | — | — | 7:33 | — | — | 7:33 | — | — | 7:33 | — | — | 7:33 | — | — | 7:33 | — | — | 7:33 | — | — |
 | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — |
mm | 18 | 7 | — | — | 2 | 3 | 1 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 15 | 15 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 14 | 13 | 15 | 16 | 14 |
Feels °C | 14 | 12 | 10 | 4 | 6 | 7 | 7 | 6 | 7 | 7 | 8 | 9 | 12 | 11 | 10 | 8 | 10 | 10 | 8 | 10 | 8 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | — | SW 18 | SW 17 | SW 16 | SSW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 16 | SW 15 | SW 15 | SW 15 | WSW 14 | SW 14 | SW 14 |
| kJ | 999 | 732 | 473 | 319 | 244 | — | 1904 | 2913 | 3373 | 4797 | 1968 | 1669 | 1179 | 1184 | 1551 | 1124 | 1171 | 1606 | 1997 | 2261 | 3324 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | WNW 7 | ENE 6 | SSW 24 | SSW 22 | — | — | — | — | — | S 9 | S 9 | S 9 | S 8 | SSE 8 | SE 8 | — | — | — | NNE 4 | — |
| kJ | 20 | 29 | 6 | 56 | 317 | — | — | — | — | — | 480 | 274 | 155 | 86 | 35 | 14 | — | — | — | 2 | — |
Swell 3 Height (m) Direction Period (s) | SSE 10 | S 10 | S 9 | S 8 | SSW 22 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 10 | 8 | 6 | 4 | 190 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 7 | NE 6 | WNW 5 | WNW 8 | WNW 8 | WSW 20 | SW 11 | SW 17 | SSW 16 | S 9 | — | — | — | — | — | — | NW 3 | — | NNE 3 | S 5 | — |
| kJ | 57 | 32 | 78 | 373 | 372 | 5815 | 4554 | 8038 | 5601 | 918 | — | — | — | — | — | — | 5 | — | 2 | 59 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 276 | 250 | 277 | 648 | 182 | 718 | 655 | 110 | 110 | 110 | 44 | 0 | 9 | 0 | 0 | 9 | 0 | 0 | 0 | 163 |
Best forecast wave conditions in Eyre Peninsula | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Sleaford Bay (Wreck Beach) Surf forecast
The above surf forecast table for Sleaford Bay (Wreck Beach) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Sleaford Bay (Wreck Beach) can be found by selecting the local surf guide option on the grey menu. Our Sleaford Bay (Wreck 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 (Sleaford Bay (Wreck 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 Sleaford Bay (Wreck 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 Eyre Peninsula? If you are looking for accommodation near Sleaford Bay, camping, hotels and holiday cottages in Eyre Peninsula, consider staying in Port Lincoln which is 25 km (16 miles) away.
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