Surf Forecasts:
Long Beach surf forecast from 14 Sep 2026:
- Most powerful swell: Wednesday 16 Sep, 2AM (local time) - 11ft (3.5m), 14s period, WSW swell with 4,704 kJ wave energy.
Best Forecast Surf Conditions for Long Beach this week:
The most powerful waves expected at Long Beach in the next 16 days are 3.5m 14s and forecast to arrive on Wednesday (Sep 16) at 2AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 6s period and expected on Monday (Sep 21) at 8AM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2AM (Wed 16th Sep) | 11ft (3.5m) 14s |
Table - best surf conditions forecast for Long Beach over the next 16 days.
The Lowdown
G’day, Rusty here. Let’s break down what’s going on at Long Beach. It’s a sandbar break that’s fairly consistent, but we’ve got a pretty grim run of days before anything good shows up.
Right off the bat, it’s a write-off. Monday and Tuesday are a mess – strong onshore winds, lumpy conditions, and the wave quality is just poor. You’d be fighting the wind more than the waves. The water is sitting at 58°F, which is a bit colder than normal for this time of year, so you’ll want a thicker wetsuit if you’re even thinking about it.
The outlook doesn’t improve much through Wednesday, Thursday, and Friday. We’ve got some decent swell in the water – midday Wednesday sees a 8ft SW swell – but those strong cross-off winds are just tearing it apart. The combined energy is huge on Wednesday morning, pushing 4111 (moderate to strong), but it’s all wasted energy with that wind. The whole setup is messy, and I’d say this beach looks more interesting for kite surfing than paddle surfing through this whole first week.
Most of the second week is similar, with strong winds and mediocre conditions. The first real glimmer of hope lands on Monday the 21st of September. Monday morning we get a 5ft WSW swell with offshore winds from the SSE at 12 mph. That’s the sweet spot. The combined energy is 1040 (moderate), and the period is a solid 13 seconds, so there’s good shape and push. It’s clean and the wind is working with us. Monday afternoon is even better – 6ft, 14-second period, and still offshore. This is the standout of the whole 16-day window. It won’t be huge, but the quality should be there. Expect very good surf conditions. Also worth noting, on Tuesday the 29th of September, we get some glassy conditions. Tuesday morning is dead calm – glassy conditions, 4ft of SW swell at 12 seconds, with a combined energy of 392 (weak). Tuesday afternoon is the same story: glassy, 4ft. It’s small but perfectly clean. A great session for a longboard or a funboard if you just want to get wet.
So, to sum it up: the first week is a right-off for decent surfing. The real highlight is Monday the 21st of September with offshore winds and clean, solid lines. If you’re patient, the glassy little waves on the 29th could be a lovely way to end the month.
Rusty.
Short Range ForecastModerate rain (total 17mm), heaviest on Tue night. Very mild (max 15°C on Mon morning, min 12°C on Tue night). Winds increasing (moderate winds from the SSW on Tue night, strong winds from the SE by Wed night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 17°C on Sat morning, min 13°C on Thu morning). Mainly near gales. | ||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 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 12 | SW 12 | NW 7 | NW 6 | SW 16 | WSW 14 | SW 13 | WSW 13 | SW 13 | SW 12 | WSW 12 | SW 11 | SW 11 | SW 13 | SW 13 | SE 7 | SE 7 | SW 13 | SW 13 | WSW 13 | WSW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 473 | 311 | 352 | 352 | 1194 | 4704 | 2528 | 1316 | 1952 | 1638 | 972 | 741 | 688 | 1053 | 1109 | 590 | 555 | 680 | 1099 | 904 | 517 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:59PM1.53m | 5:18AM1.35m | 5:29PM1.40m | 5:49AM1.24m | 5:59PM1.27m | 6:22AM1.13m | 6:35PM1.13m | 7:07AM1.01m | 7:27PM1.00m | 8:44AM0.91m | 9:34PM0.93m | 11:22AM0.95m | 11:39PM0.99m | ||||||||
Low Tide | 10:49AM0.16m | 11:15PM0.17m | 11:18AM0.26m | 11:44PM0.28m | 11:47AM0.38m | 00:14AM0.41m | 12:19PM0.50m | 00:52AM0.53m | 1:01PM0.63m | 2:01AM0.64m | 2:52PM0.73m | 4:47AM0.65m | 5:46PM0.68m | ||||||||
 | |  |  |  |  |  | |  | | | | | | | | | | | | | |
 | 6:48 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:41 | — | — | 6:41 | — | — | 6:39 | — | — |
 | — | 6:37 | — | — | 6:37 | — | — | 6:37 | — | — | 6:38 | — | — | 6:38 | — | — | 6:39 | — | — | 6:40 | — |
mm | — | — | — | 1 | — | 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 16 | 16 | 16 | 17 | 17 | 16 | 16 | 16 | 16 |
Feels °C | 11 | 8 | 10 | 10 | 7 | 7 | 6 | 6 | 5 | 4 | 5 | 5 | 6 | 5 | 6 | 8 | 8 | 7 | 11 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 11 | SW 11 | SW 16 | WSW 14 | SW 13 | WSW 13 | SW 13 | SW 12 | WSW 12 | SW 11 | SW 11 | SW 13 | SW 13 | SW 12 | SW 12 | SW 13 | SW 13 | WSW 13 | WSW 12 |
| kJ | 473 | 268 | 250 | 205 | 1194 | 4704 | 2528 | 1316 | 1952 | 1638 | 972 | 741 | 688 | 1053 | 1109 | 570 | 455 | 680 | 1099 | 904 | 517 |
Swell 2 Height (m) Direction Period (s) | SE 11 | SE 12 | ESE 11 | SW 18 | SE 13 | SW 15 | SW 14 | SW 13 | W 12 | — | SSW 11 | S 10 | S 9 | — | SW 16 | SW 14 | SW 14 | — | — | ESE 12 | WSW 15 |
| kJ | 90 | 48 | 11 | 192 | 7 | 410 | 904 | 827 | 383 | — | 265 | 70 | 15 | — | 40 | 350 | 305 | — | — | 15 | 272 |
Swell 3 Height (m) Direction Period (s) | — | — | SE 13 | ESE 13 | — | ESE 13 | ESE 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 18 |
| kJ | — | — | 7 | 16 | — | 33 | 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | 61 |
Wind waves Height (m) Direction Period (s) | NNW 5 | NW 6 | NW 7 | NW 6 | NW 7 | — | SW 9 | SSE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SE 7 | SE 7 | SE 6 | SSE 6 | SSE 6 | SE 6 |
| kJ | 110 | 311 | 352 | 352 | 795 | — | 679 | 105 | 321 | 379 | 337 | 295 | 373 | 677 | 679 | 590 | 555 | 223 | 197 | 134 | 172 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 66 | 175 | 76 | 186 | 235 | 24 | 349 | 200 | 49 | 162 | 411 | 411 | 1259 | 1246 | 1186 | 35 | 411 | 200 | 465 | 608 | 3 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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Information about the Long Beach Surf forecast
The above surf forecast table for Long Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Long Beach can be found by selecting the local surf guide option on the grey menu. Our Long 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 (Long 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 Long 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 Cape Town? If you are looking for accommodation near Long Beach, camping, hotels and holiday cottages in Cape Town, consider staying in Cape Town which is 26 km (16 miles) away. Other places in and around Cape Town where you can find information about places to rent, and car hire include Robben Island which is 37 km (23 miles) away, Bellville, Stellenbosch and Kayamnandi.
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