Surf Forecasts:
Rat Beach surf forecast from 22 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 11PM (local time) - 5ft (1.6m), 7s period, W swell with cross-offshore winds.
- Most powerful swell: Tuesday 25 Aug, 11PM (local time) - 5ft (1.6m), 7s period, W swell with 269 kJ wave energy.
- Next surfable swell (1★+): Saturday 22 Aug, 2AM (local time) - 1ft (0.3m), 17s period with SW 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 Saturday (Aug 22) at 2AM. The primary swell is predicted to be 0.3m and 17s period with a secondary swell of 0.5m and 5s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Rat Beach in the next 16 days are 1.6m 7s and forecast to arrive on Tuesday (Aug 25) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 13s period and expected on Wednesday (Aug 26) at 8AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sat 22nd Aug) | 1ft (0.3m) 17s |
| Best Surf | 11PM (Tue 25th Aug) | 5ft (1.6m) 7s |
| Most Powerful | 11PM (Tue 25th Aug) | 5ft (1.6m) 7s |
Table - best surf conditions forecast for Rat Beach over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what's on the cards for Rat Beach over the next couple of weeks. I'll be straight with you – it's a lean run. We're looking at a 16-day window, but the first real sniff of anything worthwhile doesn't show up until Sunday the 23rd. Before that, it's a write-off: tiny 1ft swells, messy cross-shore and cross-onshore winds, and just plain poor surf conditions. That's a solid two days of nothing to get excited about.
From Sunday the 23rd onward, it's still a game of inches. The water temp is sitting at 69°, which is a touch warmer than normal for this time of year, so the boardies are on. The swell energy is weak to moderate, generally in the double digits (66 to 199 range), but never really packing a punch. The waves are small, mostly around 1ft to 2ft, and the period is a long 16 to 19 seconds for that initial run. That kind of long period groundswell can be a bit tricky on a beach-reef setup like Rat Beach, often breaking straight and making for a slower, more walled-off wave. Still, it's the best we've got.
The standout, and the only real call to paddle out, is Monday morning, the 31st of August. Early that morning, we get a glassy, clean surface with the wind swinging offshore from the SW. The swell ticks up to 3ft from the W with a 7-second period, and the combined energy bumps into the moderate zone at 103. It’s not going to be epic, but with that glassy surface, it’ll be your cleanest option of the whole forecast. The break is inconsistent, so be prepared to wait, but when it lines up, it should be worth it. It’s a beginner-friendly spot too, so if you’re learning, that Monday window is your best shot. Crowds? They're possible here, so you might have some company for those clean little waves.
After that, Tuesday the 1st of September keeps the potential alive with a similar 3ft swell and clean offshore winds from the SE. The rest of the window is plagued by onshore wind and choppy conditions, or drops back to tiny, low-energy surf. The best of the best is definitely that glassy Monday morning wave.
Rusty.
Short Range ForecastMostly dry. Warm (max 24°C on Sun morning, min 20°C on Fri morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Tue night, min 22°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||
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 18 | SW 18 | SW 17 | SW 18 | SW 18 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | W 7 | SW 16 | SW 16 | W 7 | SW 14 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 50 | 49 | 47 | 50 | 50 | 58 | 126 | 111 | 112 | 111 | 98 | 173 | 132 | 91 | 172 | 124 | 88 | 231 | 74 | 73 | 91 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | glassy | cross | cross-on | glassy | glassy | cross-on | cross-on | cross | cross-on | cross | cross | cross-on | cross-off | cross-off | cross-on | off | cross-off | cross | off |
High Tide | 8:34AM1.36m | 5:14PM1.84m | 8:37AM1.43m | 6:15PM1.92m | 8:52AM1.49m | 7:02PM2.01m | 9:08AM1.54m | 7:41PM2.10m | 9:26AM1.60m | 8:17PM2.17m | 9:45AM1.66m | 8:52PM2.19m | 10:05AM1.73m | 9:26PM2.16m | |||||||
Low Tide | 10:14AM1.35m | 1:18AM0.53m | 12:01PM1.32m | 1:56AM0.42m | 12:56PM1.25m | 2:27AM0.34m | 1:37PM1.16m | 2:55AM0.27m | 2:12PM1.06m | 3:21AM0.24m | 2:47PM0.96m | 3:45AM0.25m | 3:23PM0.87m | 4:09AM0.30m | |||||||
 | |  |  | | | | | | | | | | | | | | | | | | |
 | 6:18 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — | 6:24 | — | — |
 | — | 7:31 | — | — | 7:30 | — | — | 7:30 | — | — | 7:29 | — | — | 7:28 | — | — | 7:25 | — | — | 7:24 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 22 | 22 | 23 | 23 | 23 | 24 | 24 | 23 | 24 | 24 | 26 | 26 | 26 | 28 | 25 | 26 | 26 | 24 | 24 | 23 |
Feels °C | 23 | 23 | 23 | 24 | 23 | 22 | 25 | 23 | 21 | 25 | 23 | 21 | 26 | 23 | 25 | 26 | 26 | 25 | 24 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | W 6 | SSW 13 | W 5 | W 6 | SSW 12 | W 6 | W 6 | SSW 13 | W 6 | W 6 | SW 17 | W 6 | W 6 | S 16 | W 7 | W 7 | S 13 | W 7 | W 6 | S 11 | W 7 |
| kJ | 16 | 68 | 14 | 15 | 31 | 24 | 22 | 57 | 31 | 22 | 98 | 59 | 50 | 183 | 172 | 69 | 212 | 134 | 48 | 79 | 56 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SW 18 | SSW 13 | SW 13 | SSW 15 | SSW 14 | SSW 13 | SW 18 | S 14 | S 14 | SSW 12 | SW 17 | SW 16 | SW 16 | S 14 | S 13 | SW 16 | S 12 | S 11 | SW 14 | S 10 |
| kJ | 69 | 49 | 68 | 42 | 42 | 120 | 58 | 111 | 103 | 106 | 29 | 173 | 132 | 91 | 239 | 219 | 88 | 138 | 85 | 73 | 51 |
Swell 3 Height (m) Direction Period (s) | SW 18 | S 16 | SW 17 | SW 18 | SW 18 | SW 19 | SW 19 | S 16 | SW 18 | SW 18 | S 14 | SSW 13 | SSW 13 | SSE 11 | SW 16 | SW 16 | W 14 | SW 15 | SW 14 | SW 18 | SW 14 |
| kJ | 50 | 21 | 47 | 50 | 50 | 58 | 126 | 20 | 112 | 111 | 37 | 58 | 57 | 12 | 89 | 124 | 15 | 106 | 74 | 50 | 91 |
Wind waves Height (m) Direction Period (s) | — | W 5 | — | — | W 5 | — | — | W 5 | — | — | W 5 | — | — | W 6 | — | — | W 6 | W 7 | — | W 6 | — |
| kJ | — | 8 | — | — | 14 | — | — | 13 | — | — | 28 | — | — | 44 | — | — | 61 | 231 | — | 27 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 48 | 55 | 0 | 68 | 118 | 0 | 0 | 41 | 5 | 68 | 118 | 3 | 63 | 63 | 0 | 0 | 49 | 0 | 0 | 63 | 0 |
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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