Surf Forecasts:
Kilcummin Harbour surf forecast from 6 Jul 2026:
- Best quality surf: Tuesday 7 Jul, 10PM (local time) - 5ft (1.5m), 9s period, W swell with cross-offshore winds.
- Most powerful swell: Tuesday 7 Jul, 7AM (local time) - 6ft (1.8m), 8s period, W swell with 465 kJ wave energy.
- Next surfable swell (1★+): Tuesday 7 Jul, 10PM (local time) - 5ft (1.5m), 9s period with W swell.
Best Forecast Surf Conditions for Kilcummin Harbour this week:
The surf forecast for Kilcummin Harbour over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 07) at 10PM. The primary swell is predicted to be 1.5m and 9s period with a secondary swell of 0.2m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Kilcummin Harbour in the next 16 days are 1.8m 8s and forecast to arrive on Tuesday (Jul 07) 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 0.4m 3s period and expected on Sunday (Jul 12) at 7AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Tue 7th Jul) | 5ft (1.5m) 9s |
| Best Surf | 10PM (Tue 7th Jul) | 5ft (1.5m) 9s |
| Most Powerful | 7AM (Tue 7th Jul) | 6ft (1.8m) 8s |
Table - best surf conditions forecast for Kilcummin Harbour over the next 16 days.
Updates in hr min s Forecast update imminent
Alright, let's get into it. This is the outlook for the coming weeks from Kilcummin Harbour.
Overall, it's a bit of a mixed bag and a waiting game. The start of the period is a bit messy and not really delivering the goods. The real standout is shaping up to be Thursday morning, July 9th. We've got a clean, 4ft swell rolling in from the west with a period of 9 seconds, light offshore winds from the SSW, and the whole setup is looking glassy and clean. The wave energy is moderate (263), but the conditions are going to make it surfable and fun. Another good shout is Wednesday morning, July 8th. Same sort of deal – a 4ft west swell with a 9-second period, light offshore breeze, and clean conditions. It’s a touch smaller on Thursday but the wind is better.
Now, for the grizzly details. Monday, July 6th is a write-off. The swell is there at 6ft from the west, but the cross-off winds and marginal tide spots are making it a mess. Tuesday, July 7th is similar, with the afternoon turning into a choppy cross-shore mess. Wednesday afternoon, July 8th, it goes glassy but the wind switches to a light cross-shore, so the quality drops off.
From Friday, July 10th onwards, it's mostly poor. We see onshore winds (NNW) pick up and the swell drops significantly from Saturday and Sunday, with waves barely 2ft and the energy levels dropping to just 64 and 47. That small, weak swell combined with onshore and cross-onshore winds means no go. There’s a tiny glimmer of hope on Tuesday morning, July 14th, with glassy conditions and a small 3ft west swell, but the energy is low (138) and it’s just ordinary.
Then things get a bit wild but not in a good way. On Saturday, July 18th, we get a rapid increase in swell from the WNW, hitting 7ft by the afternoon with a short, weak 7-second period. But the winds are cranking – up to 25 mph onshore, making it a total mess. The combined energy climbs over 400 but with that wind, it’s not for paddle surfing. Honestly, with that strong cross-onshore wind and a beach-and-reef setup, it’s looking more like it’s for the kite surfers. It stays windy and choppy right through to the end of the period on Monday, July 20th, with the swell levels bumping up again but the winds just ruining it.
So, to sum it up: get your best sessions in on the 8th and 9th of July. After that, you're waiting a long time for something clean, and the forecast for late July isn't shaping up well at all. Conditions like this rarely stay completely dead for long, so keep an eye on it.
Rusty
Short Range ForecastMostly dry. Warm (max 21°C on Tue morning, min 14°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 21°C on Thu morning, min 12°C on Fri night). Winds increasing (calm on Thu afternoon, fresh winds from the N by Sat afternoon). | ||||||||||||||||||||
Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | |||||||||||||||
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 8 | W 8 | W 8 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | WNW 11 | W 10 | W 10 | WNW 10 | N 6 | NNE 6 | N 6 | WNW 7 | WNW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 381 | 390 | 439 | 435 | 408 | 313 | 288 | 282 | 262 | 262 | 220 | 150 | 198 | 339 | 231 | 230 | 143 | 115 | 33 | 31 | 16 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross | cross-off | off | cross | off | off | glassy | glassy | cross-on | on | on | on | on | on | cross-on | on | cross-on |
High Tide | 10:34AM2.59m | 10:49PM3.06m | 11:25AM2.55m | 11:38PM2.95m | 12:24PM2.53m | 00:37AM2.85m | 1:31PM2.57m | 1:48AM2.81m | 2:42PM2.70m | 3:03AM2.84m | 3:49PM2.90m | 4:14AM2.94m | 4:50PM3.16m | ||||||||
Low Tide | 4:25AM0.67m | 4:17PM0.79m | 5:10AM0.71m | 5:07PM0.92m | 6:03AM0.74m | 6:10PM1.01m | 7:07AM0.76m | 7:26PM1.03m | 8:16AM0.73m | 8:46PM0.92m | 9:24AM0.64m | 9:59PM0.71m | 10:25AM0.50m | 11:02PM0.46m | |||||||
 |  |  |  | |  | | | | | | | | | | | | | | | | |
 | 5:11 | — | — | 5:11 | — | — | 5:13 | — | — | 5:13 | — | — | 5:15 | — | — | 5:16 | — | — | 5:16 | — | — |
 | — | — | 10:10 | — | — | 10:09 | — | — | 10:08 | — | — | 10:08 | — | — | 10:07 | — | — | 10:07 | — | — | 10:06 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 15 | 21 | 21 | 18 | 20 | 21 | 18 | 21 | 21 | 18 | 17 | 14 | 13 | 12 | 12 | 12 | 16 | 19 | 21 |
Feels °C | 14 | 13 | 13 | 17 | 18 | 17 | 20 | 21 | 18 | 20 | 21 | 19 | 17 | 11 | 10 | 7 | 6 | 7 | 13 | 18 | 21 |
Swell 1 Height (m) Direction Period (s) | — | N 9 | N 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | WNW 11 | W 10 | W 10 | WNW 10 | WNW 9 | NNE 6 | N 6 | N 6 | WNW 7 |
| kJ | — | 2 | 7 | 435 | 408 | 313 | 288 | 282 | 262 | 262 | 220 | 150 | 198 | 339 | 231 | 230 | 143 | 115 | 31 | 15 | 16 |
Swell 2 Height (m) Direction Period (s) | — | — | — | N 8 | N 8 | N 8 | N 8 | N 7 | N 7 | N 7 | N 7 | W 13 | W 8 | N 9 | WNW 11 | N 9 | — | WNW 8 | WNW 8 | WNW 7 | NNE 5 |
| kJ | — | — | — | 5 | 5 | 6 | 5 | 4 | 4 | 1 | 1 | 14 | 86 | 7 | 107 | 2 | — | 53 | 33 | 31 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | N 8 | — | — | — | — | — | N 11 | N 10 | — | — | — | — | — | — | — | NW 7 |
| kJ | — | — | — | — | — | 1 | — | — | — | — | — | 2 | 2 | — | — | — | — | — | — | — | 7 |
Wind waves Height (m) Direction Period (s) | W 8 | W 8 | W 8 | — | — | — | — | — | — | — | — | — | — | N 3 | NNE 5 | NNE 5 | N 6 | E 3 | ESE 3 | E 3 | E 3 |
| kJ | 381 | 390 | 439 | — | — | — | — | — | — | — | — | — | — | 4 | 69 | 102 | 141 | 3 | 3 | 1 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 2 | 247 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 11 | 244 | 85 | 444 | 270 | 39 | 166 | 282 | 282 |
Best forecast wave conditions in Mayo and Achill Island | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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Information about the Kilcummin Harbour Surf forecast
The above surf forecast table for Kilcummin Harbour provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kilcummin Harbour can be found by selecting the local surf guide option on the grey menu. Our Kilcummin Harbour 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 (Kilcummin Harbour) 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 Kilcummin Harbour 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.
Kilcummin Harbour is 19 km (12 miles) from Ballina. If you plan a holiday in Mayo and Achill Island, look for hotels and other accommodation in Ballina. Ballina has rooms for a wide range of budgets as well as car hire and transport links.
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