Surf Forecasts:
Keel surf forecast from 18 Sep 2026:
- Best quality surf: Sunday 20 Sep, 7AM (local time) - 11ft (3.5m), 12s period, WNW swell with cross-onshore winds.
- Most powerful swell: Friday 18 Sep, 7AM (local time) - 15ft (4.5m), 13s period, WNW swell with 6,595 kJ wave energy.
- Next surfable swell (1★+): Sunday 20 Sep, 7AM (local time) - 11ft (3.5m), 12s period with WNW swell.
Best Forecast Surf Conditions for Keel this week:
The surf forecast for Keel over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 20) at 7AM. The primary swell is predicted to be 3.5m and 12s period with a secondary swell of 0.2m and 14s. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Keel in the next 16 days are 4.5m 13s and forecast to arrive on Friday (Sep 18) at 7AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 8s period and expected on Sunday (Sep 20) at 10PM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Sun 20th Sep) | 11ft (3.5m) 12s |
| Best Surf | 7AM (Sun 20th Sep) | 11ft (3.5m) 12s |
| Most Powerful | 7AM (Fri 18th Sep) | 15ft (4.5m) 13s |
Table - best surf conditions forecast for Keel over the next 16 days.
Short Range ForecastModerate rain (total 12mm), heaviest on Fri morning. Very mild (max 16°C on Fri morning, min 12°C on Sun morning). Winds decreasing (near gales from the SSW on Fri morning, light winds from the SW by Sun morning). | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Tue night. Very mild (max 17°C on Mon morning, min 11°C on Tue night). Winds decreasing (fresh winds from the SSW on Sun night, calm by Tue night). | ||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | |||||||||||||||
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) | WNW 13 | W 12 | W 11 | W 11 | W 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | W 11 | WSW 10 | W 10 | WSW 11 | WSW 11 | W 14 | W 13 | WNW 12 | WNW 11 | WNW 10 | WNW 10 | SW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3447 | 5345 | 3133 | 3953 | 4564 | 4093 | 2799 | 2199 | 1158 | 1214 | 670 | 1026 | 1211 | 891 | 3474 | 2323 | 1595 | 925 | 500 | 338 | 2103 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-off | off | off | cross-off | cross | cross-on | on |
High Tide | 10:36AM2.77m | 11:15PM2.46m | 11:43AM2.56m | 00:48AM2.29m | 1:25PM2.51m | 2:39AM2.35m | 2:56PM2.66m | 3:47AM2.56m | 3:52PM2.91m | 4:29AM2.82m | 4:31PM3.18m | 5:04AM3.08m | 5:06PM3.42m | ||||||||
Low Tide | 4:09AM1.23m | 4:50PM1.28m | 5:03AM1.49m | 6:22PM1.48m | 6:51AM1.64m | 8:27PM1.43m | 8:43AM1.54m | 9:37PM1.21m | 9:43AM1.32m | 10:20PM0.93m | 10:24AM1.07m | 10:53PM0.66m | 10:58AM0.83m | 11:23PM0.40m | |||||||
 |  |  |  | | |  | |  |  | | | | |  |  | |  | | | | |
 | 7:16 | — | — | 7:18 | — | — | 7:20 | — | — | 7:22 | — | — | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — |
 | — | 7:50 | — | — | 7:46 | — | — | 7:45 | — | — | 7:43 | — | — | 7:39 | — | — | 7:37 | — | — | 7:35 | — |
mm | 9 | 1 | — | — | — | — | — | 2 | 1 | — | — | — | — | — | 5 | 2 | — | — | — | 4 | — |
Temp °C | 16 | 16 | 16 | 14 | 14 | 14 | 13 | 12 | 16 | 17 | 17 | 16 | 15 | 15 | 14 | 12 | 12 | 13 | 17 | 16 | 14 |
Feels °C | 8 | 8 | 9 | 5 | 6 | 6 | 9 | 7 | 11 | 13 | 14 | 14 | 13 | 15 | 14 | 8 | 9 | 8 | 9 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | WNW 13 | — | — | SW 16 | SW 16 | SW 15 | WNW 12 | WNW 12 | WNW 12 | W 11 | WNW 11 | W 10 | WSW 11 | WSW 11 | W 14 | W 13 | WNW 12 | WNW 11 | WNW 10 | WNW 10 | WNW 11 |
| kJ | 3447 | — | — | 10 | 10 | 8 | 2799 | 2199 | 1158 | 1214 | 401 | 1026 | 1211 | 891 | 3474 | 2323 | 1595 | 925 | 500 | 338 | 107 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | S 12 | — | SSW 14 | SSW 14 | N 8 | SW 13 | SSW 13 | SW 13 | WNW 10 | W 17 | SW 12 | SW 12 | SW 12 | S 12 | NW 14 | SW 13 | NW 11 |
| kJ | — | — | — | — | 3 | — | 21 | 21 | 33 | 7 | 17 | 7 | 10 | 154 | 6 | 6 | 6 | 3 | 46 | 7 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | S 11 | S 11 | SW 14 | SW 13 | — | SW 13 | N 9 | WNW 9 | — | — | — | — | N 8 | N 8 | — |
| kJ | — | — | — | — | — | — | 2 | 2 | 7 | 7 | — | 7 | 2 | 8 | — | — | — | — | 1 | 1 | — |
Wind waves Height (m) Direction Period (s) | SW 8 | W 12 | W 11 | W 11 | W 12 | WNW 12 | — | — | SW 6 | SSW 3 | WSW 10 | S 5 | — | SW 3 | — | NNW 5 | — | — | SE 3 | S 5 | SW 11 |
| kJ | 1047 | 5345 | 3133 | 3953 | 4564 | 4093 | — | — | 219 | 4 | 670 | 53 | — | 2 | — | 2 | — | — | 9 | 109 | 2103 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 739 | 194 | 737 | 275 | 194 | 194 | 10 | 6 | 65 | 28 | 65 | 58 | 28 | 3 | 3 | 0 | 0 | 29 | 117 | 518 | 28 |
Best forecast wave conditions in Mayo and Achill Island | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Keel surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Keel Surf forecast
The above surf forecast table for Keel provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Keel can be found by selecting the local surf guide option on the grey menu. Our Keel 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 (Keel) 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 Keel 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 Mayo and Achill Island? If you are looking for accommodation near Keel, camping, hotels and holiday cottages in Mayo and Achill Island, consider staying in Belmullet which is 29 km (18 miles) away. Other places in and around Mayo and Achill Island where you can find information about places to rent, and car hire include Westport which is 41 km (25 miles) away, Ballina and Claremorris.
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