Surf Forecasts:
Rat Beach surf forecast from 20 Jul 2026:
- Best quality surf: Thursday 23 Jul, 2AM (local time) - 4.5ft (1.4m), 7s period, WNW swell with cross-shore winds.
- Most powerful swell: Sunday 26 Jul, 2AM (local time) - 3ft (0.9m), 19s period, SW swell with 546 kJ wave energy.
- Next surfable swell (1★+): Tuesday 21 Jul, 2AM (local time) - 1.5ft (0.5m), 13s 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 Tuesday (Jul 21) at 2AM. The primary swell is predicted to be 0.5m and 13s period. 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 0.9m 19s and forecast to arrive on Sunday (Jul 26) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 16s period and expected on Tuesday (Jul 21) at 11AM.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Tue 21st Jul) | 1.5ft (0.5m) 13s |
| Best Surf | 2AM (Thu 23rd Jul) | 4.5ft (1.4m) 7s |
| Most Powerful | 2AM (Sun 26th Jul) | 3ft (0.9m) 19s |
Table - best surf conditions forecast for Rat Beach over the next 16 days.
The Lowdown
G’day, I’m Rusty. Let’s talk about what’s shaping up for Rat Beach.
Right off the bat, I gotta be straight with you — the next week and a half is pretty grim. We’re looking at a long stretch of small, weak waves and rubbish conditions. From Monday the 20th of July right through to Sunday the 26th, it’s all tiny scraps of swell, mostly cross-onshore or choppy winds, and nothing worth paddling out for. The swell heights are barely nudging 1ft to 3ft, periods are short, and the combined energy is weak, often under 50. It’s a write-off. You’d be better off doing something else.
There’s a bit of a sniff of hope on Monday the 27th of July. The morning shows a clean, light breeze with a 2ft swell from the SW, period 11 seconds, and the energy climbs to 106 (moderate). It’s surfable, but very ordinary. Not a standout, just a teaser.
Now, the real bright spot — and the only true standout in this whole 16-day window — is Tuesday the 28th of July. The morning is looking clean with a gentle offshore wind from the SSE, swell 3ft from the SW with a long period of 17 seconds, and the combined energy jumps to 498 (strong). That’s a proper groundswell. The water temp is 72°, a massive 7° warmer than usual for this time of year — that’s very unusual, so the water will feel like a warm bath. Rat Beach is a reef break, which suits that long-period energy well, and with the offshore wind, it’s going to be clean and lined up. For a beginner spot like this, the 3ft is perfect — not too big, not too small. Just be aware it’s inconsistent and crowds are possible. This is the one to aim for.
After that, it fades back into small, weak, and messy conditions through the end of July and into early August. There’s a brief moment on the morning of the 3rd of August with a 2ft, clean cross-off wind, but the energy is weak (39) and it’s nothing to write home about.
So, bottom line: the next 8 days are a bust. Tuesday the 28th of July morning is the clear winner — clean, warm, and a proper little groundswell runner. Everything else is forgettable.
Rusty.
Short Range ForecastMostly dry. Warm (max 23°C on Tue afternoon, min 20°C on Mon morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 23°C on Thu afternoon, min 20°C on Thu night). 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) | W 5 | SW 16 | SW 13 | W 4 | W 4 | WNW 5 | W 5 | W 4 | WNW 7 | W 6 | SW 26 | W 7 | W 6 | W 6 | SW 21 | W 6 | W 6 | SW 19 | W 6 | W 6 | SW 18 |
Wave Graph  | |||||||||||||||||||||
 kJ | 7 | 201 | 84 | 3 | 3 | 33 | 19 | 25 | 180 | 34 | 105 | 104 | 47 | 44 | 368 | 38 | 27 | 546 | 36 | 26 | 455 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-off | cross-off | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross-off | cross-off | cross-on | cross-off | cross-off | cross | cross | cross | cross-on | off |
High Tide | 3:13PM1.88m | 3:50AM1.29m | 4:03PM1.89m | 6:02AM1.24m | 4:56PM1.91m | 7:48AM1.30m | 5:49PM1.95m | 8:41AM1.38m | 6:37PM2.01m | 9:13AM1.43m | 7:20PM2.08m | 9:40AM1.48m | 8:00PM2.16m | ||||||||
Low Tide | 8:14AM0.79m | 10:19PM0.87m | 8:52AM0.98m | 11:46PM0.76m | 9:41AM1.13m | 00:52AM0.62m | 10:52AM1.23m | 1:41AM0.50m | 12:05PM1.26m | 2:20AM0.39m | 1:01PM1.24m | 2:54AM0.31m | 1:45PM1.20m | 3:26AM0.24m | |||||||
 | |  | | | | | | | | | | | | | | | | | | | |
 | 5:56 | — | — | 5:56 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 6:00 | — | — | 6:01 | — | — |
 | — | 8:01 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 7:59 | — | — | 7:59 | — | — | 7:58 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 22 | 21 | 23 | 22 | 22 | 23 | 23 | 22 | 23 | 23 | 22 | 23 | 22 | 22 | 23 | 22 | 23 | 23 | 23 |
Feels °C | 23 | 21 | 21 | 21 | 21 | 19 | 22 | 21 | 21 | 23 | 21 | 22 | 23 | 24 | 22 | 24 | 24 | 21 | 24 | 22 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | W 7 | W 6 | SSW 14 | W 7 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SW 19 | SW 19 | SW 18 | SW 18 |
| kJ | 193 | 201 | 175 | 481 | 201 | 291 | 186 | 183 | 150 | 34 | 189 | 104 | 290 | 277 | 225 | 213 | 210 | 546 | 384 | 330 | 455 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | SW 13 | W 4 | SSW 12 | W 5 | W 5 | SSE 15 | S 14 | S 13 | S 12 | S 14 | W 6 | W 6 | W 6 | W 6 | SSW 21 | W 6 | W 6 | SSW 11 | W 7 |
| kJ | 85 | 88 | 84 | 3 | 123 | 25 | 19 | 72 | 198 | 168 | 73 | 377 | 47 | 22 | 38 | 38 | 294 | 50 | 36 | 79 | 56 |
Swell 3 Height (m) Direction Period (s) | W 5 | W 5 | S 10 | SSE 14 | SSE 13 | SSW 9 | SSW 8 | SSW 8 | SSW 14 | SSW 14 | SW 26 | SSW 26 | SSW 24 | SSW 24 | SW 21 | SSW 21 | S 12 | SSW 12 | SSW 11 | S 10 | SSW 11 |
| kJ | 7 | 4 | 51 | 20 | 16 | 46 | 26 | 22 | 178 | 123 | 105 | 66 | 368 | 217 | 368 | 404 | 3 | 161 | 111 | 2 | 46 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | W 4 | WNW 5 | — | W 4 | WNW 7 | — | W 5 | — | — | W 6 | — | — | W 6 | — | — | W 6 | — |
| kJ | — | — | — | — | 3 | 33 | — | 25 | 180 | — | 28 | — | — | 44 | — | — | 27 | — | — | 26 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 63 | 0 | 0 | 166 | 9 | 149 | 118 | 11 | 68 | 74 | 0 | 0 | 41 | 0 | 1 | 63 | 36 | 74 | 74 | 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.
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