Surf Forecasts:
Cornish Reef surf forecast from 15 Jul 2026:
- Most powerful swell: Monday 20 Jul, 7AM (local time) - 1.5ft (0.4m), 11s period, W swell with 37 kJ wave energy.
Best Forecast Surf Conditions for Cornish Reef this week:
The most powerful waves expected at Cornish Reef in the next 16 days are 0.4m 11s and forecast to arrive on Monday (Jul 20) at 7AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Monday (Jul 20) at 1AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7AM (Mon 20th Jul) | 1.5ft (0.4m) 11s |
Table - best surf conditions forecast for Cornish Reef over the next 16 days.
The Lowdown
Let me tell you what's looking like for the next couple of weeks at Cornish Reef.
To be straight with you, the outlook for the next week and a half is pretty flat and lifeless. We’re looking at a long stretch of tiny, weak waves. From the start of the period right through to around the 29th of July, the swell is tiny – mostly around 0.3m to 0.5m. The water temp is sitting at 63°, which is a touch warmer than normal for the time of year here. The combined energy from the swells is weak for the entire stretch, often sitting between 14 and 96 – that’s just not enough to get excited about. The wind is light or gentle for many of those days, and the reef will look clean, particularly with that light E or NE breeze, but there’s just nothing there to ride. It’s a real bummer. There are no standouts here. We’re basically looking at a gap of around ten days with nothing worth paddling out for.
Now, the situation picks up a bit towards the end of the month. On the the morning of the 30th of July, we get a bit of a jump. The swell rises to 6ft out of the W, pushing the combined energy up to 311 (moderate wave energy). That’s the best we’ve got. The period is 7 seconds, so it’s short-period windswell, and the wind is a moderate cross-onshore, so it’ll be choppy. With that height, it’s not for beginners – 6ft is starting to get proper. In the afternoon the swell drops back a bit to 4ft, energy at 196, and the wind picks up to a fresh cross-onshore. It’s not clean, it’s not ideal, but it’s the most size we see. No other break offers anything better. Of course, since Cornish Reef is a reef break, it can handle a bit more direction than a beach, but the short period and the lumpy wind will mean it’s a bit of a battle. The best time would be the morning of the 30th if you’re keen but it’s not a great look.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Wed afternoon, min 13°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 20°C on Mon afternoon, min 11°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wed 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | WSW 9 | WSW 8 | W 9 | W 8 | W 8 | W 8 | W 9 | NW 8 | NW 8 | W 8 | NW 5 | W 12 | W 9 | W 11 | W 11 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 26 | 24 | 13 | 12 | 12 | 12 | 13 | 35 | 15 | 5 | 9 | 11 | 13 | 22 | 37 | 34 | 31 | 29 | 27 | 15 | 15 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross | cross-off | cross-off | cross-on | cross-off | cross-off | cross-on | cross-off | cross-off | cross-on | cross-off | cross | cross-on | cross-off | cross-off | cross-on | cross-off | cross-off |
High Tide | 6:50PM4.67m | 7:25AM4.38m | 7:37PM4.70m | 8:12AM4.32m | 8:22PM4.60m | 8:57AM4.18m | 9:07PM4.39m | 9:41AM3.99m | 9:52PM4.09m | 10:26AM3.77m | 10:39PM3.76m | 11:14AM3.55m | 11:30PM3.45m | 12:06PM3.36m | |||||||
Low Tide | 1:02AM-0.14m | 1:16PM0.27m | 1:48AM-0.13m | 2:00PM0.35m | 2:32AM0.01m | 2:44PM0.51m | 3:15AM0.25m | 3:29PM0.74m | 3:59AM0.57m | 4:16PM1.01m | 4:46AM0.92m | 5:10PM1.27m | 5:40AM1.24m | ||||||||
 |  | | | | | | | |  | | | | | | | | | |  | | |
 | — | — | 5:31 | — | — | 5:31 | — | — | 5:33 | — | — | 5:35 | — | — | 5:35 | — | — | 5:37 | — | — | 5:39 |
 | — | 9:55 | — | — | 9:54 | — | — | 9:52 | — | — | 9:52 | — | — | 9:51 | — | — | 9:50 | — | — | 9:47 | 9:46 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 23 | 24 | 25 | 23 | 21 | 21 | 16 | 18 | 19 | 14 | 18 | 19 | 18 | 18 | 20 | 17 | 18 | 21 | 19 | 21 |
Feels °C | 26 | 23 | 23 | 23 | 23 | 19 | 19 | 11 | 15 | 16 | 12 | 17 | 16 | 15 | 16 | 18 | 15 | 17 | 20 | 17 | 20 |
Swell 1 Height (m) Direction Period (s) | WSW 9 | WSW 8 | W 9 | W 8 | W 8 | W 8 | W 9 | NW 8 | NW 8 | WNW 5 | NW 5 | W 9 | W 9 | W 11 | W 11 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 |
| kJ | 26 | 24 | 13 | 12 | 12 | 12 | 13 | 35 | 15 | 2 | 9 | 6 | 13 | 22 | 37 | 34 | 31 | 29 | 27 | 15 | 15 |
Swell 2 Height (m) Direction Period (s) | SW 16 | W 16 | SW 14 | SW 14 | WNW 3 | NW 10 | WNW 10 | W 8 | W 8 | W 8 | W 7 | WNW 6 | W 12 | NW 6 | NW 6 | W 7 | NW 6 | NW 5 | NW 5 | NW 5 | NW 4 |
| kJ | 10 | 5 | 8 | 8 | 1 | 4 | 10 | 11 | 10 | 4 | 4 | 4 | 11 | 5 | 1 | 1 | 5 | 1 | 1 | 4 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | W 11 | — | SW 15 | SW 14 | NW 5 | — | — | WNW 7 | NW 7 | W 12 | — | W 8 | W 8 | — | W 7 | W 7 | W 7 | W 16 | — |
| kJ | — | — | 2 | — | 8 | 8 | 1 | — | — | 5 | 2 | 11 | — | 5 | 1 | — | 1 | 1 | 1 | 5 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | N 5 | — | NE 2 | NNE 3 | — | — | NE 3 | NW 6 | NE 3 | NE 3 | N 5 | NE 3 | NE 3 | — | NE 2 | — |
| kJ | — | — | — | — | — | 2 | — | 1 | 1 | — | — | 1 | 6 | 4 | 2 | 2 | 3 | 2 | — | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 95 | 116 | 95 | 135 | 95 | 150 | 1398 | 3 | 81 | 548 | 197 | 49 | 135 | 49 | 49 | 95 | 49 | 49 | 400 | 49 | 78 |
Best forecast wave conditions in Clare | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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Information about the Cornish Reef Surf forecast
The above surf forecast table for Cornish Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cornish Reef can be found by selecting the local surf guide option on the grey menu. Our Cornish Reef 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 (Cornish Reef) 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 Cornish Reef 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 Clare? If you are looking for accommodation near Cornish Reef, camping, hotels and holiday cottages in Clare, consider staying in Inis which is 27 km (17 miles) away. Other places in and around Clare where you can find information about places to rent, and car hire include Foynes which is 38 km (24 miles) away, Shannon, Galway and Limerick.
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