Surf Forecasts:
Koeel Bay surf forecast from 20 Jul 2026:
- Best quality surf: Thursday 23 Jul, 11PM (local time) - 10ft (3.0m), 17s period, SSW swell with offshore winds.
- Most powerful swell: Thursday 23 Jul, 11PM (local time) - 10ft (3.0m), 17s period, SSW swell with 4,845 kJ wave energy.
- Next surfable swell (1★+): Tuesday 21 Jul, 5AM (local time) - 3ft (0.9m), 15s period with SSW swell.
Best Forecast Surf Conditions for Koeel Bay this week:
The surf forecast for Koeel Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 21) at 5AM. The primary swell is predicted to be 0.9m and 15s period with a secondary swell of 0.7m and 7s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Koeel Bay in the next 16 days are 3.0m 17s and forecast to arrive on Thursday (Jul 23) at 11PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Saturday (Jul 25) at 11PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Tue 21st Jul) | 3ft (0.9m) 15s |
| Best Surf | 11PM (Thu 23rd Jul) | 10ft (3.0m) 17s |
| Most Powerful | 11PM (Thu 23rd Jul) | 10ft (3.0m) 17s |
Table - best surf conditions forecast for Koeel Bay over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s brewing for Koeel Bay.
Right off the bat, Monday is a write-off. We’ve got some messy cross-on wind and weak, choppy waves. The water is sitting at 15°, which is pretty much what you’d expect for this time of year – nothing unusual there. The real story starts to unfold on Tuesday morning, July 21st. The wind drops to glassy, and we see a solid 6ft SSW groundswell rolling in with a long 14-second period. The combined energy is pumping at 1442 – that’s proper juice. This is the standout of the early window. It’s not for beginners at that size, but for the experienced crew, it’s going to be clean and powerful. The afternoon stays clean with a light cross-offshore breeze, still solid at 6ft.
The next real highlight is Friday, July 24th. The morning sees a 8ft SSW swell with a very long 15-second period. The energy is massive at 2834, and with a light cross-offshore wind, it’s going to be an epic session for the experts. The afternoon holds at 7ft, still clean. Saturday, July 25th, keeps the dream alive with offshore winds and a 7ft SSW swell – morning looks glassy, afternoon stays clean.
We then have a bit of a lull in quality over the weekend, with smaller, cross-on waves. It picks up again on Monday, July 27th, with a clean 4ft to 5ft SSW swell. The wind is light and cross-offshore, making for a very pleasant session. The energy is moderate (1133 in the morning), so it’s a good day for a fun paddle.
The second week is a bit more of a mixed bag. Tuesday, July 28th, has strong winds (28 mph) which will make it tricky, even if the swell has good period. Wednesday, July 29th, offers a promising morning with glassy conditions and a 6ft SSW swell – that’s worth a look but it’s less certain. Thursday, July 30th, is small and clean, perfect for a longboard. The following Friday, July 31st, sees a rise in size but with a poor 9-second period and cross-on winds, so it’s messy. The trend continues into the first weekend of August with moderate energy and rain, but the winds are offshore, so it’s clean, just not the top-tier quality of the first week.
The absolute best on offer is Tuesday, July 21st, with the glassy, long-period groundswell, and Friday, July 24th, for the big, clean, powerful swell. Everything else is either a fun, clean day or a pass.
Rusty, signing off.
Short Range ForecastMostly dry. Very mild (max 17°C on Mon afternoon, min 11°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Thu afternoon. Warm (max 21°C on Sat afternoon, min 11°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | |||||||||||||||
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 9 | SW 8 | SSW 16 | SSW 14 | SSW 13 | SW 13 | SW 12 | SSW 11 | SSW 12 | SW 11 | SSW 11 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SW 12 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 246 | 118 | 259 | 1396 | 1303 | 778 | 578 | 433 | 449 | 515 | 694 | 4643 | 2813 | 2033 | 1127 | 1474 | 1100 | 669 | 456 | 448 | 658 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | glassy | cross-off | glassy | cross-on | cross-on | cross-on | cross-on | cross-off | off | cross-off | cross-off | off | off | off | cross-off | cross-on | cross-on | glassy |
High Tide | 7:44PM1.32m | 8:11AM1.09m | 8:35PM1.21m | 9:16AM1.01m | 9:42PM1.12m | 10:44AM0.98m | 11:06PM1.09m | 12:10PM1.02m | 00:21AM1.12m | 1:10PM1.10m | 1:16AM1.19m | 1:54PM1.19m | 1:59AM1.27m | ||||||||
Low Tide | 1:19PM0.39m | 2:13AM0.45m | 2:07PM0.51m | 3:13AM0.53m | 3:12PM0.60m | 4:33AM0.57m | 4:45PM0.65m | 5:57AM0.55m | 6:15PM0.62m | 6:59AM0.48m | 7:15PM0.54m | 7:44AM0.40m | 7:59PM0.46m | ||||||||
 |  |  | | | | | |  |  |  | | | | | | | | | | | |
 | 7:46 | — | — | 7:45 | — | — | 7:45 | — | — | 7:43 | — | — | 7:43 | — | — | 7:43 | — | — | 7:41 | — | — |
 | — | 5:55 | — | — | 5:55 | — | — | 5:57 | — | — | 5:58 | — | — | 5:58 | — | — | 5:59 | — | — | 6:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 17 | 14 | 13 | 15 | 12 | 12 | 15 | 12 | 13 | 12 | 13 | 14 | 18 | 16 | 17 | 21 | 20 | 23 | 23 | 16 |
Feels °C | 11 | 15 | 12 | 13 | 13 | 10 | 9 | 12 | 8 | 9 | 10 | 10 | 13 | 17 | 14 | 15 | 19 | 17 | 19 | 21 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 9 | SW 8 | SW 7 | SSW 14 | SSW 13 | SW 13 | SW 12 | SSW 11 | SSW 12 | SW 11 | SSW 11 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SW 12 | SW 13 |
| kJ | 246 | 118 | 54 | 1396 | 1303 | 778 | 578 | 433 | 449 | 515 | 694 | 4643 | 2813 | 2033 | 1127 | 1474 | 1100 | 669 | 456 | 448 | 658 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSW 10 | SSW 16 | SE 12 | SE 12 | SE 12 | SSW 14 | SSW 14 | SW 13 | SE 13 | SSW 19 | SE 12 | SE 12 | SSW 18 | SSW 16 | SSW 13 | SSW 13 | SSE 5 | SSW 14 | SSW 14 | SSW 11 |
| kJ | 8 | 72 | 259 | 21 | 5 | 5 | 65 | 154 | 43 | 7 | 243 | 23 | 21 | 329 | 354 | 880 | 757 | 9 | 186 | 233 | 408 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SSW 18 | SW 12 | W 9 | W 9 | — | SE 12 | SE 14 | SE 14 | SE 13 | SE 13 | — | — | ESE 12 | ESE 11 | SE 11 | — | — | — | — | — |
| kJ | 3 | 62 | 68 | 25 | 14 | — | 5 | 8 | 7 | 42 | 7 | — | — | 13 | 12 | 5 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 3 | WNW 2 | — | — | — | — | — | WNW 2 | NW 4 | NNW 4 | — | — | — | — | — | SE 4 | SSE 4 | ESE 5 | — | — | — |
| kJ | 1 | 1 | — | — | — | — | — | 1 | 22 | 14 | — | — | — | — | — | 15 | 28 | 39 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 14 | 4 | 0 | 0 | 0 | 4 | 14 | 14 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 19 | 0 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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Information about the Koeel Bay Surf forecast
The above surf forecast table for Koeel Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Koeel Bay can be found by selecting the local surf guide option on the grey menu. Our Koeel 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 (Koeel 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 Koeel 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.
Koeel Bay is 18 km (11 miles) from the city of Grabouw. If you plan a holiday in Overberg, look for hotels and other accommodation in Grabouw. Grabouw has rooms for a wide range of budgets as well as car hire and transport links.
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