Surf Forecasts:
Rhos-On-Sea surf forecast from 9 Jul 2026:
- Most powerful swell: Wednesday 15 Jul, 7PM (local time) - 3.5ft (1.0m), 4s period, NE swell with 35 kJ wave energy.
Best Forecast Surf Conditions for Rhos-On-Sea this week:
The most powerful waves expected at Rhos-On-Sea in the next 16 days are 1.0m 4s and forecast to arrive on Wednesday (Jul 15) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 4s period and expected on Thursday (Jul 16) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7PM (Wed 15th Jul) | 3.5ft (1.0m) 4s |
Table - best surf conditions forecast for Rhos-On-Sea over the next 16 days.
Alright folks, Rusty here. Let’s get straight into it for Rhos-On-Sea.
Honestly, I’ve been staring at this forecast and it’s a tough one. The next week and a half is looking pretty grim. There’s simply no decent surf on offer for the first 12 days of the forecast period. From Thursday the 9th right through to Monday the 21st of July, the conditions are total rubbish – tiny, weak, and mostly onshore junk. You’re looking at a long dry spell with no worthwhile waves. The water temp is sitting at 63° for the first break mention, which is about 5° warmer than usual for this time of year – that’s a very notable warm anomaly, so the water will feel lovely for a paddle, but there’s nothing to ride.
The first real glimmer of hope doesn’t show up until Wednesday the 22nd of July. We start to see a little life in the ocean. By Thursday the 23rd of July morning, we’ve got a NW swell pushing 4 ft with a period of 6 seconds, and the combined energy is a weak 83 – still small, but it’s the most energy we’ve seen. The wind is a light cross-onshore from the NNW at 6 mph, which is manageable. It’s not going to be epic, but it’s the first wave of the whole run worth paddling for.
The standout in this whole 16-day window, and I mean the only real standout, is Thursday the 23rd of July afternoon and Friday the 24th of July. On Thursday afternoon, the swell drops a touch to 3 ft from the NW, but the wind swings around to a cross-offshore from the WNW at 12 mph. That’s clean. The energy is still moderate at 43, but for Rhos-On-Sea, that glassy, cross-off wind is a major positive. Friday morning the 24th holds similar with 3 ft from the NNW and clean cross-off winds at 9 mph, energy at 44. This is the best of the bunch – rideable, clean, and it’s a point break that’s inconsistent, so you’ll have to be patient, but when a set comes through, it’ll be worth it.
For the rest of Friday afternoon, it fades back to 2 ft and weak. There’s nothing else in the second week. It’s a bleak outlook, but that Thursday afternoon to Friday morning window is your only shot. Get on it if you can.
Rusty.
Short Range ForecastLight rain (total 5mm), mostly falling on Sat afternoon. Warm (max 28°C on Sat afternoon, min 14°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 26°C on Tue afternoon, min 11°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | |||||||||||||||
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) | WSW 3 | W 3 | — | — | — | NW 4 | NW 5 | NE 4 | E 4 | ENE 3 | NE 4 | ENE 4 | ENE 4 | NE 4 | ENE 4 | ENE 3 | NE 4 | ENE 4 | NE 4 | NE 4 | NE 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 0 | 0 | 0 | 0 | 6 | 10 | 10 | 13 | 7 | 14 | 19 | 10 | 15 | 21 | 6 | 13 | 28 | 15 | 24 | 24 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | glassy | on | cross-on | glassy | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | on | on | on |
High Tide | 6:44PM5.94m | 7:11AM6.14m | 7:54PM6.11m | 8:23AM6.31m | 9:00PM6.43m | 9:29AM6.62m | 10:00PM6.86m | 10:29AM6.97m | 10:54PM7.30m | 11:23AM7.27m | 11:44PM7.68m | 12:14PM7.43m | 00:32AM7.92m | ||||||||
Low Tide | 12:37PM1.58m | 1:07AM1.92m | 1:46PM1.57m | 2:20AM1.74m | 2:56PM1.41m | 3:31AM1.37m | 4:02PM1.13m | 4:34AM0.89m | 5:00PM0.81m | 5:31AM0.42m | 5:52PM0.53m | 6:22AM0.04m | 6:41PM0.35m | ||||||||
 | |  | | |  | |  | |  | | | | | | | | | | | | |
 | 4:58 | — | — | 4:58 | — | — | 5:00 | — | — | 5:01 | — | — | 5:01 | — | — | 5:03 | — | — | 5:05 | — | — |
 | — | — | 9:40 | — | — | 9:39 | — | — | 9:38 | — | — | 9:37 | — | — | 9:37 | — | — | 9:36 | — | — | 9:35 |
mm | — | — | — | — | — | 1 | — | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | 2 |
Temp °C | 21 | 20 | 17 | 26 | 23 | 20 | 27 | 28 | 21 | 23 | 24 | 20 | 21 | 24 | 21 | 24 | 26 | 18 | 26 | 29 | 20 |
Feels °C | 20 | 20 | 18 | 26 | 23 | 21 | 26 | 26 | 21 | 20 | 20 | 15 | 17 | 20 | 18 | 21 | 22 | 16 | 22 | 25 | 21 |
Swell 1 Height (m) Direction Period (s) | — | W 3 | — | — | — | NW 4 | NW 5 | NW 5 | NW 4 | NW 4 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 1 | — | — | — | 6 | 10 | 4 | 7 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | NNE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 3 | — | — | — | — | — | ESE 3 | NE 4 | E 4 | ENE 3 | NE 4 | ENE 4 | ENE 4 | NE 4 | ENE 4 | ENE 3 | NE 4 | ENE 4 | NE 4 | NE 4 | NE 4 |
| kJ | 1 | — | — | — | — | — | 3 | 10 | 13 | 7 | 14 | 19 | 10 | 15 | 21 | 6 | 13 | 28 | 15 | 24 | 24 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 245 | 253 | 230 | 186 | 186 | 194 | 268 | 268 | 268 | 321 | 260 | 269 | 467 | 206 | 241 | 188 | 206 | 321 | 206 | 262 | 158 |
Best forecast wave conditions in North Wales | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Rhos-On-Sea Surf forecast
The above surf forecast table for Rhos-On-Sea provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Rhos-On-Sea can be found by selecting the local surf guide option on the grey menu. Our Rhos-On-Sea 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 (Rhos-On-Sea) 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 Rhos-On-Sea 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.
Rhos-On-Sea is 2 km (1 miles) from Colwyn Bay. If you plan a holiday in North Wales, look for hotels and other accommodation in Colwyn Bay. Colwyn Bay has rooms for a wide range of budgets as well as car hire and transport links.
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