Surf Forecasts:
Koeel Bay surf forecast from 14 Aug 2026:
- Best quality surf: Monday 17 Aug, 5PM (local time) - 4.5ft (1.4m), 13s period, SW swell with cross-offshore winds.
- Most powerful swell: Sunday 16 Aug, 11PM (local time) - 5ft (1.6m), 14s period, SW swell with 1,049 kJ wave energy.
- Next surfable swell (1★+): Saturday 15 Aug, 5AM (local time) - 3ft (0.9m), 14s period with SW 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 Saturday (Aug 15) at 5AM. The primary swell is predicted to be 0.9m and 14s period with a secondary swell of 0.3m and 6s. 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 1.6m 14s and forecast to arrive on Sunday (Aug 16) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Wednesday (Aug 19) at 8AM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sat 15th Aug) | 3ft (0.9m) 14s |
| Best Surf | 5PM (Mon 17th Aug) | 4.5ft (1.4m) 13s |
| Most Powerful | 11PM (Sun 16th Aug) | 5ft (1.6m) 14s |
Table - best surf conditions forecast for Koeel Bay over the next 16 days.
The Lowdown
G’day, Rusty here. Looks like Koeel Bay is gonna tease us for a bit before it really turns on. The next week or so has some windows, but you gotta be patient and pick your moments. The first few days are a write-off thanks to cross-onshore winds and choppy conditions, but there’s a sweet spot coming up.
Friday the 14th and Saturday the 15th are shaky. Friday is messy with 16 mph cross-onshore winds. Saturday morning, though, the wind drops to glass – nothing, dead calm – and we’ve got a 3 ft SW groundswell with a long 15-second period. The combined energy is moderate (291), but that glassy surface will make it feel better than it looks. It’s a reef break, so that long period will wrap in nicely. The water’s sitting at 57°, which is 3° colder than normal for this time of year – a bit nippy for a mid-winter dip, so bring the thick rubber.
Sunday the 16th goes back to junk with cross-onshore winds. Monday the 17th afternoon is where it starts to get interesting. The wind goes cross-offshore, the swell jumps to 5 ft from the SW, period 13 seconds, and the combined energy is strong (844). That’s clean surf and good shape. Tuesday the 18th morning looks like the first proper standout: offshore wind from the SE, 5 ft SW swell, 12-second period, and a whopping combined energy of 1218 – that’s strong. The break will be clean, lined up, and worth the early alarm.
Wednesday the 19th morning is another beauty – glassy cross-offshore wind, 6 ft from the SSW, period 12 seconds, and clean conditions. That’s a step up in size and quality. A little pushy for beginners at 6 ft, but intermediates will be smiling.
There’s a bit of a lull from the 20th through the 21st, with smaller swell but still clean in the mornings. Then Saturday the 22nd gets big and ugly – 7 ft SW swell but trashed by 16 mph cross-onshore winds. That’s a hard pass.
Now, the real standout is Sunday the 23rd afternoon. The swell drops to 7 ft from the SSW at a 13-second period, but the wind goes cross-offshore and the combined energy is massive at 2031. The file says “excellent surf conditions for experienced surfers” – and that’s exactly what it is. If you’re not a confident paddler, watch from the rocks. Monday the 24th morning keeps it pumping with 7 ft S swell, offshore wind, and clean lines. Both those days are for the crew who know what they’re doing.
The 25th drops right off to 2 ft but with a ridiculously long 20-second period – that’ll be a slow, glassy, mellow wave if you’re after a recovery session.
Then we’ve got a deep long-range call for Saturday the 29th. Morning looks huge: 10 ft from the SSW, 14-second period, offshore wind from the ESE, and combined energy of 3768 – that’s very strong. This is legit big-wave territory, experts only. The afternoon backs off a bit to 8 ft but stays clean. Promising, but it’s nearly two weeks out, so worth circling on the calendar but don’t book the ferry yet.
Overall, the best on offer are Tuesday morning the 18th for clean, fun intermediate surf, and Sunday the 23rd afternoon for the experienced crew when it gets solid and clean. Koeel Bay is a fairly consistent reef, so when the wind plays ball, it handles the long-period groundswell well.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Sun afternoon, min 13°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 20°C on Tue afternoon, min 14°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||
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 15 | SW 15 | SW 14 | SW 14 | SW 13 | SW 14 | SW 15 | SW 15 | SW 14 | SW 13 | SW 13 | SW 14 | SW 13 | SW 13 | SW 12 | SSW 12 | SW 12 | SSW 11 | SSW 12 | SSW 12 | SSW 12 |
Wave Graph | |||||||||||||||||||||
360 | 355 | 308 | 268 | 253 | 363 | 418 | 551 | 1034 | 721 | 651 | 647 | 618 | 746 | 824 | 800 | 522 | 504 | 407 | 414 | 365 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | glassy | glassy | cross-on | cross-on | on | cross-on | on | cross-off | cross-off | off | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 4:30PM1.72m | 4:46AM1.53m | 5:05PM1.67m | 5:21AM1.45m | 5:39PM1.58m | 5:56AM1.35m | 6:13PM1.45m | 6:31AM1.23m | 6:48PM1.31m | 7:09AM1.12m | 7:28PM1.17m | 8:00AM1.00m | 8:28PM1.05m | ||||||||
Low Tide | 10:17AM-0.00m | 10:47PM0.04m | 10:51AM0.05m | 11:22PM0.10m | 11:23AM0.14m | 11:56PM0.20m | 11:55AM0.25m | 00:29AM0.31m | 12:27PM0.38m | 1:05AM0.43m | 1:02PM0.51m | 1:50AM0.55m | 1:51PM0.63m | 3:13AM0.64m | |||||||
7:24 | — | — | 7:24 | — | — | 7:22 | — | — | 7:22 | — | — | 7:20 | — | — | 7:20 | — | — | 7:18 | — | — | |
— | 6:13 | — | — | 6:14 | — | — | 6:14 | — | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 16 | 14 | 16 | 17 | 16 | 17 | 20 | 16 | 17 | 18 | 15 | 17 | 20 | 17 | 17 | 17 | 15 | 16 | 17 | 13 |
Feels °C | 10 | 12 | 13 | 16 | 16 | 15 | 13 | 16 | 14 | 17 | 17 | 14 | 16 | 18 | 16 | 16 | 15 | 13 | 14 | 14 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 14 | SW 14 | SW 13 | SW 14 | SW 15 | SW 15 | SW 14 | SW 13 | SW 13 | SW 14 | SW 13 | SW 13 | SW 12 | SSW 12 | SW 12 | SSW 11 | SSW 12 | SSW 12 | SSW 12 |
360 | 355 | 308 | 268 | 253 | 363 | 418 | 551 | 1034 | 721 | 651 | 647 | 600 | 746 | 824 | 800 | 522 | 504 | 407 | 414 | 365 | |
Swell 2 Height (m) Direction Period (s) | SE 11 | W 6 | W 6 | WSW 7 | WSW 8 | SE 4 | ESE 10 | — | — | — | W 16 | — | WSW 12 | — | — | — | — | — | SSW 14 | WSW 11 | — |
5 | 3 | 7 | 15 | 23 | 1 | 9 | — | — | — | 193 | — | 618 | — | — | — | — | — | 105 | 396 | — | |
Swell 3 Height (m) Direction Period (s) | — | SE 12 | ESE 10 | ESE 9 | ESE 9 | ESE 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | 5 | 18 | 8 | 9 | 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | NW 3 | NW 3 | — | — | — | — | NNW 3 | WNW 3 | NNW 4 | — | — | — | SE 3 | SSE 4 | SE 4 | SE 4 | SSE 4 | SE 4 | — | — | — |
9 | 4 | — | — | — | — | 3 | 4 | 7 | — | — | — | 2 | 34 | 16 | 40 | 46 | 24 | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 22 | 19 | 4 | 0 | 0 | 4 | 18 | 14 | 4 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 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.











