Surf Forecasts:
Knights surf forecast from 3 Jul 2026:
- Best quality surf: Friday 3 Jul, 3PM (local time) - 13ft (4.0m), 15s period, SSW swell with cross-onshore winds.
- Most powerful swell: Friday 3 Jul, 12PM (local time) - 13ft (4.0m), 16s period, SSW swell with 8,333 kJ wave energy.
- Next surfable swell (1★+): Friday 3 Jul, 3PM (local time) - 13ft (4.0m), 15s period with SSW swell.
Best Forecast Surf Conditions for Knights this week:
The surf forecast for Knights over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 03) at 3PM. The primary swell is predicted to be 4.0m and 15s period. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Knights in the next 16 days are 4.0m 16s and forecast to arrive on Friday (Jul 03) 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 0.5m 4s period and expected on Friday (Jul 10) at 3PM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Fri 3rd Jul) | 13ft (4.0m) 15s |
| Best Surf | 3PM (Fri 3rd Jul) | 13ft (4.0m) 15s |
| Most Powerful | 12PM (Fri 3rd Jul) | 13ft (4.0m) 16s |
Table - best surf conditions forecast for Knights over the next 16 days.
Updates in hr min s Forecast update imminent
Alright folks, Rusty here. We've got a solid 16-day look, starting with a massive pulse of southwest groundswell that's going to be too much at first, then dialing in for some proper clean sessions.
Water temp is sitting at 59°, which is just about a degree below average for this time of year. Pretty standard, not a big deal.
This week kicks off Friday, July 3rd, and it's a no-go. A huge 18ft swell from the southwest with a 16-second period. The combined energy is massive at 27191. The wind is a moderate WSW cross-onshore at 12 mph, making it choppy. This is for experts only, and honestly, it's too big for almost everyone.
That swell drops into Saturday morning, July 4th, and this is the first real standout. The swell is down to 8ft from the SSW, period a solid 13 seconds. The combined energy is 1965. But the selling point is the wind: glassy. A light west wind at 3 mph. The conditions will be absolutely clean. It's still a sizeable wave, so it's for experienced surfers, but the quality will be top-notch. Expect crowds, it's a Saturday.
Sunday morning, July 5th, the swell bumps back up to 12ft (SSW, 17 seconds, 7101 energy), but we get a clean offshore breeze from the east. That's a beautiful, powerful combo, but again, 12ft is expert territory.
The best window for the average good surfer opens Monday, July 6th. The swell drops to a friendly 7ft (SSW, 14 seconds, 1592 energy) with a light offshore breeze from the northeast. Clean and manageable. This quality holds through Tuesday, July 7th, with 5ft swell and light offshore winds. Small, but clean.
Wednesday, July 8th, we get another pulse: 8ft from the SSW with a very long 18-second period. The energy jumps to 3716. The wind is light and cross-offshore. That long period means powerful, well-shaped waves, but at a beach and reef setup, they might wall up a bit. Still a very good day for the experienced crew.
From Thursday, July 9th, through to Saturday, July 11th, we have the longest clean stretch. Swell holds around 5ft to 5ft, with a 15-second period and mostly light offshore winds. You'll be able to find a clean wave on any of those mornings.
Watch out for Sunday, July 12th. The wind picks up, and conditions look marginal.
Then Monday, July 13th, is your other big standout. A punchy 10ft SSW swell with a 16-second period and 6438 energy. The wind is a gentle offshore breeze. This is an exceptional day for experts. It's powerful and clean.
The back half of the run gets messy. Tuesday afternoon, July 14th, the wind swings onshore and the swell jumps to 15ft. That's just a mess. It stays rough through Wednesday, July 15th, with strong cross-onshore winds. The last few days into the 18th show a tiny 3ft swell. It's weak (501 energy), but the morning of the 18th is glassy. A day for the longboard.
Bottom line: circle Saturday, July 4th for that glassy, 8ft swell, and Monday, July 13th for the powerful, clean 10ft swell. Those are your two best shots.
Rusty.
Short Range ForecastMostly dry. Very mild (max 14°C on Fri morning, min 8°C on Sun morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 14°C on Mon night, min 8°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||
Friday 3 | Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | |||||||||||||||
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 16 | SSW 15 | SSW 13 | SSW 13 | SSW 13 | SSW 15 | SSW 17 | SSW 16 | SSW 16 | SSW 14 | SSW 14 | SSW 13 | SSW 16 | SSW 15 | SSW 16 | SSW 18 | SSW 17 | SSW 16 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 16143 | 6563 | 3355 | 1965 | 1811 | 3816 | 7101 | 5083 | 3288 | 1592 | 1080 | 623 | 974 | 917 | 848 | 3716 | 3222 | 1834 | 1161 | 1024 | 962 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | glassy | cross-on | cross-off | cross-off | cross | cross-off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | off |
High Tide | 2:37PM1.31m | 2:31AM0.65m | 3:04PM1.25m | 3:05AM0.70m | 3:30PM1.18m | 3:43AM0.76m | 3:52PM1.11m | 4:27AM0.84m | 4:09PM1.03m | 5:19AM0.91m | 4:10PM0.95m | 6:42AM0.98m | |||||||||
Low Tide | 10:17PM0.48m | 7:11AM0.35m | 10:31PM0.49m | 7:46AM0.41m | 10:47PM0.52m | 8:19AM0.52m | 11:03PM0.55m | 8:48AM0.66m | 11:17PM0.58m | 8:55AM0.82m | 11:26PM0.60m | 7:57AM0.97m | 10:31PM0.60m | ||||||||
 |  |  | | |  | | | | | | |  | | | | | | | | | |
 | 7:24 | — | — | 7:24 | — | — | 7:24 | — | — | 7:24 | — | — | 7:24 | — | — | 7:24 | — | — | 7:24 | — | — |
 | — | 5:13 | — | — | 5:13 | — | — | 5:14 | — | — | 5:14 | — | — | 5:15 | — | — | 5:15 | — | — | 5:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 13 | 13 | 13 | 13 | 10 | 11 | 10 | 11 | 13 | 14 | 13 | 13 | 12 | 12 | 13 | 11 | 12 | 13 | 10 |
Feels °C | 9 | 8 | 10 | 11 | 10 | 10 | 6 | 9 | 7 | 8 | 10 | 12 | 10 | 10 | 10 | 9 | 10 | 9 | 9 | 10 | 8 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SSW 15 | SSW 13 | SSW 13 | SSW 13 | SSW 15 | SSW 17 | SSW 16 | SSW 16 | SSW 14 | SSW 14 | SSW 13 | SSW 16 | SSW 15 | SSW 16 | SSW 18 | SSW 17 | SSW 16 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 16143 | 6563 | 3355 | 1965 | 1811 | 3816 | 7101 | 5083 | 3288 | 1592 | 1080 | 623 | 974 | 917 | 848 | 3716 | 3222 | 1834 | 1161 | 1024 | 962 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SW 18 | — | S 9 | SSW 19 | — | — | SSE 6 | S 7 | SSE 7 | SE 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 82 | — | 63 | 750 | — | — | 14 | 14 | 17 | 25 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 19 | — | — | — | SSW 20 | SW 18 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 630 | — | — | — | 38 | 80 | — |
Wind waves Height (m) Direction Period (s) | SSW 16 | — | — | — | — | — | — | — | — | — | — | ENE 2 | — | — | SSE 8 | — | — | SE 6 | — | — | NNE 3 |
| kJ | 11048 | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 48 | — | — | 21 | — | — | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 916 | 137 | 2 | 0 | 137 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in South Australia - East Coast | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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Information about the Knights Surf forecast
The above surf forecast table for Knights provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Knights can be found by selecting the local surf guide option on the grey menu. Our Knights 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 (Knights) 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 Knights 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.
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