Surf Forecasts:
Rat Beach surf forecast from 1 Sep 2026:
- Best quality surf: Thursday 3 Sep, 2AM (local time) - 5ft (1.5m), 7s period, W swell with glassy winds.
- Most powerful swell: Thursday 3 Sep, 2AM (local time) - 5ft (1.5m), 7s period, W swell with 206 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 11AM (local time) - 2.5ft (0.8m), 6s period with W swell.
Best Forecast Surf Conditions for Rat Beach this week:
The surf forecast for Rat Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 01) at 11AM. The primary swell is predicted to be 0.8m and 6s period with a secondary swell of 0.6m and 6s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Rat Beach in the next 16 days are 1.5m 7s and forecast to arrive on Thursday (Sep 03) at 2AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 13s period and expected on Monday (Sep 07) at 8AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Tue 1st Sep) | 2.5ft (0.8m) 6s |
| Best Surf | 2AM (Thu 3rd Sep) | 5ft (1.5m) 7s |
| Most Powerful | 2AM (Thu 3rd Sep) | 5ft (1.5m) 7s |
Table - best surf conditions forecast for Rat Beach over the next 16 days.
The Lowdown
Right, Rusty here again for the same stretch of water at Rat Beach. I’ll tell you straight up: it’s a tough outlook. For most of this run, you’re looking at flat, choppy, or messy conditions. You've gotta be patient.
As we move into the end of August and the start of September, the surf is poor. There's a tiny 2ft west swell with a short period, but the wind is a messy cross-onshore making it choppy. The water is a balmy 75°, which is much warmer than usual for this time of year, so it’s warm at least.
Your best chance, and the real standout, comes on the morning of Wednesday the 2nd of September. The wind will be light and cross-offshore, keeping things clean. The swell is tiny at 1ft, but it’s a long-period 16-second groundswell from the southwest, and the combined energy is a moderate 117. Because it’s a reef break, that long period will wrap in nicely. It’s small, clean, and good for beginners, but don't expect much power.
After that morning, it goes quiet. From the afternoon of the 2nd all the way through to the 14th of September, it’s a scratch. Most days are onshore, flat, or choppy. The 4th has some offshore wind, but the swell is still tiny and weak. It’s a long stretch of nothing.
Looking way ahead, on Monday the 14th of September in the morning, the wind goes glassy. There’s a tiny 1ft, 17-second groundswell from the southwest. The energy is weak (77), but the surface will be like glass. Perfect for a longboard or a quiet paddle.
The call is easy: aim for the morning of Wednesday the 2nd. It’s the cleanest, most surfable moment in the whole outlook. Otherwise, there’s a lot of flat water.
- Rusty
Short Range ForecastMostly dry. Warm (max 22°C on Wed night, min 19°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 24°C on Sun morning, min 20°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||
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) | W 5 | W 5 | W 6 | SW 18 | W 6 | SW 16 | W 6 | W 7 | SW 15 | W 6 | W 6 | W 6 | W 5 | W 6 | W 6 | SW 10 | W 4 | W 5 | WSW 10 | WSW 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 20 | 34 | 41 | 49 | 69 | 95 | 21 | 206 | 84 | 21 | 83 | 33 | 27 | 35 | 15 | 15 | 3 | 2 | 9 | 9 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross-on | glassy | cross-off | cross-on | glassy | cross-off | cross-on | off | off | cross | off | cross-off | cross-on | glassy | glassy | cross-off | cross-on |
High Tide | 00:07AM1.58m | 12:16PM2.03m | 1:10AM1.38m | 12:59PM2.03m | 2:56AM1.23m | 1:58PM2.00m | 6:18AM1.25m | 3:21PM2.00m | 7:21AM1.38m | 4:52PM2.05m | 7:50AM1.50m | 6:07PM2.15m | ||||||||
Low Tide | 6:13PM0.65m | 5:43AM0.81m | 7:15PM0.65m | 6:07AM0.96m | 8:36PM0.64m | 6:33AM1.11m | 10:17PM0.58m | 7:10AM1.25m | 11:45PM0.44m | 10:06AM1.32m | 00:47AM0.29m | 11:54AM1.24m | 1:35AM0.17m | |||||||
 |  | | | | | | | | | |  | | | | | | |  |  | |
 | — | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:30 | — | — | 6:30 | — | — |
 | 7:20 | — | — | 7:17 | — | — | 7:16 | — | — | 7:15 | — | — | 7:14 | — | — | 7:13 | — | — | 7:12 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 11 |
Temp °C | 21 | 20 | 20 | 21 | 20 | 20 | 21 | 22 | 21 | 21 | 22 | 22 | 22 | 21 | 22 | 22 | 21 | 24 | 24 | 22 |
Feels °C | 21 | 18 | 20 | 20 | 18 | 20 | 20 | 19 | 22 | 21 | 21 | 22 | 22 | 21 | 23 | 21 | 22 | 25 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | W 5 | W 6 | SSW 13 | W 6 | W 6 | SSW 12 | W 7 | W 6 | SSW 18 | W 6 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | S 13 | S 13 | S 13 | S 13 |
| kJ | 127 | 20 | 22 | 68 | 41 | 22 | 121 | 127 | 45 | 273 | 83 | 364 | 343 | 322 | 310 | 310 | 229 | 225 | 280 | 280 |
Swell 2 Height (m) Direction Period (s) | S 12 | SSW 13 | SSW 13 | S 11 | SW 13 | SSW 13 | SW 16 | SSW 12 | SSW 12 | SSW 10 | SW 18 | W 6 | SW 10 | W 6 | SSE 13 | SSE 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 75 | 69 | 68 | 36 | 43 | 64 | 67 | 81 | 78 | 41 | 319 | 33 | 26 | 35 | 135 | 189 | 204 | 191 | 193 | 125 |
Swell 3 Height (m) Direction Period (s) | SW 19 | S 11 | SSE 11 | SW 18 | SW 18 | SW 16 | W 10 | SW 17 | SW 15 | S 12 | SSW 10 | SSW 11 | SSE 12 | SSE 14 | W 6 | SW 10 | W 4 | W 5 | WSW 10 | WSW 10 |
| kJ | 14 | 62 | 38 | 49 | 79 | 95 | 2 | 145 | 84 | 12 | 43 | 46 | 14 | 113 | 15 | 15 | 3 | 2 | 9 | 9 |
Wind waves Height (m) Direction Period (s) | W 5 | W 5 | W 6 | W 6 | W 6 | — | W 6 | W 7 | — | W 6 | — | — | W 5 | — | — | WSW 5 | — | — | W 3 | W 4 |
| kJ | 20 | 34 | 41 | 29 | 69 | — | 21 | 206 | — | 21 | — | — | 27 | — | — | 9 | — | — | 3 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 63 | 30 | 0 | 63 | 0 | 0 | 74 | 0 | 0 | 63 | 0 | 0 | 63 | 0 | 0 | 63 | 0 | 0 | 0 | 5 |
Best forecast wave conditions in Los Angeles County | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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Information about the Rat Beach Surf forecast
The above surf forecast table for Rat Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Rat Beach can be found by selecting the local surf guide option on the grey menu. Our Rat 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 (Rat 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 Rat 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.
Rat Shit is 5 km (3 miles) from Redondo Beach. If you plan a vacation in Los Angeles County, look for hotels and other accommodation in Redondo Beach. Redondo Beach has rooms for a wide range of budgets as well as car hire and transport links.
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