Surf Forecasts:
Kilcummin Harbour surf forecast from 22 Jul 2026:
- Best quality surf: Tuesday 28 Jul, 1AM (local time) - 6ft (1.8m), 9s period, WNW swell with offshore winds.
- Most powerful swell: Saturday 25 Jul, 1PM (local time) - 10ft (3.0m), 10s period, WNW swell with 1,803 kJ wave energy.
- Next surfable swell (1★+): Friday 24 Jul, 4AM (local time) - 5ft (1.5m), 10s period with WNW 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 Friday (Jul 24) at 4AM. The primary swell is predicted to be 1.5m and 10s period. 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 3.0m 10s and forecast to arrive on Saturday (Jul 25) at 1PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Wednesday (Jul 29) at 10AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Fri 24th Jul) | 5ft (1.5m) 10s |
| Best Surf | 1AM (Tue 28th Jul) | 6ft (1.8m) 9s |
| Most Powerful | 1PM (Sat 25th Jul) | 10ft (3.0m) 10s |
Table - best surf conditions forecast for Kilcummin Harbour over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what's cookin' at Kilcummin Harbour over the next couple of weeks. The first few days are a bit of a write-off – we're looking at a frustrating gap of surf that just isn't worth paddling out for from Wednesday through to Saturday next week. You'll want to sit tight until the end of the month for anything decent.
We kick off with a bit of a flat spell. Wednesday the 22nd has a tiny 3ft swell from the NNW at a short period of 7 seconds (122 energy). It's blown out by a moderate onshore breeze, making for poor surf. That trend continues through the rest of the week – small, weak, messy waves. The water is sitting at 62°F, which is a touch warmer than usual for this time of year.
Things start to look a little more interesting on Friday the 24th. There's a pulse of 5ft swell from the WNW with a period of 9 seconds, and it's clean with a cross-offshore wind. The energy is moderate (396), but it's only a marginal call – tide might mess with it.
Saturday the 25th sees the swell jump up to a solid 10ft from the WNW (1802 energy), but it comes with a strong cross-onshore wind that'll chop it to pieces. That's a lot of water moving for an exposed spot, and with the wind all wrong, the setup honestly looks more interesting for a kite surfer than for paddling. Sunday the 26th is similar, with 8ft waves but a fresh cross-onshore wind making it lumpy and poor.
Now, here's where we get to the good stuff. The highlight of the entire outlook is Kilcummin Harbour itself. Mark your calendar for Thursday the 31st of July and Sunday the 2nd of August. The 31st is a beauty – a 6ft swell from the WSW (724 energy) early, cleaning up beautifully with a moderate offshore breeze from the south. The period is 9 seconds, so decent shape, and the water will be clean. That afternoon it drops to 5ft but the wind stays offshore – this is the best window of the forecast. Sunday the 2nd is another standout with a 5ft swell from the north (534 energy), light offshore winds from the south making for glassy conditions. On paper, these are the mornings to be in the water.
Later on, August 4th and 5th offer some clean conditions with 5ft to 7ft surf from the north (moderate energy), but the wind is cross-offshore, so it'll be clean but not as perfect as the 31st.
Remember, Kilcummin Harbour gets crowded sometimes, so get in early on those standout days.
Stay safe, and I'll see you in the water.
Rusty
Short Range ForecastLight rain (total 3mm), mostly falling on Fri night. Very mild (max 18°C on Fri morning, min 12°C on Wed morning). Winds increasing (light winds from the NW on Wed night, fresh winds from the WSW by Fri night). | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Sat afternoon. Very mild (max 18°C on Mon afternoon, min 13°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||
Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | |||||||||||||||
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) | NNW 7 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | WNW 11 | WNW 9 | WNW 8 | WNW 8 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | W 10 | WNW 9 | WNW 9 | W 9 | W 9 | WNW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 96 | 82 | 59 | 34 | 33 | 143 | 396 | 361 | 574 | 1802 | 1637 | 1275 | 1247 | 1042 | 951 | 904 | 739 | 561 | 601 | 550 | 293 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | cross | cross-off | cross | cross-off | cross-on | cross | cross | cross-on | cross | cross-off | cross-off | cross-off | off | cross-off | cross | cross-off |
High Tide | 12:41PM2.49m | 1:02AM2.51m | 1:49PM2.44m | 2:15AM2.38m | 3:03PM2.48m | 3:30AM2.37m | 4:07PM2.60m | 4:31AM2.46m | 4:59PM2.78m | 5:18AM2.59m | 5:41PM2.97m | 5:57AM2.72m | 6:18PM3.16m | ||||||||
Low Tide | 6:41PM1.14m | 7:23AM1.08m | 8:03PM1.23m | 8:34AM1.13m | 9:22PM1.18m | 9:39AM1.07m | 10:24PM1.06m | 10:32AM0.94m | 11:12PM0.90m | 11:15AM0.78m | 11:52PM0.74m | 11:53AM0.62m | 00:29AM0.59m | ||||||||
 |  |  |  | |  | | |  | |  |  | | | | | | |  | | | |
 | 5:31 | — | — | 5:33 | — | — | 5:33 | — | — | 5:35 | — | — | 5:37 | — | — | 5:39 | — | — | 5:41 | — | — |
 | — | — | 9:52 | — | — | 9:52 | — | — | 9:50 | — | — | 9:49 | — | — | 9:46 | — | — | 9:45 | — | — | 9:44 |
mm | — | — | — | — | — | — | — | — | 3 | — | 2 | — | — | — | — | 3 | — | — | 4 | — | — |
Temp °C | 13 | 15 | 14 | 14 | 14 | 14 | 18 | 18 | 15 | 16 | 15 | 15 | 14 | 15 | 15 | 16 | 18 | 17 | 17 | 18 | 15 |
Feels °C | 10 | 13 | 13 | 12 | 12 | 11 | 14 | 13 | 9 | 12 | 12 | 11 | 8 | 10 | 10 | 14 | 14 | 14 | 13 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | NNW 6 | NNW 6 | NNW 6 | NW 6 | — | — | — | WNW 10 | WNW 10 | — | — | N 10 | WNW 10 | W 10 | WNW 9 | WNW 9 | W 9 | N 9 | WNW 8 |
| kJ | 26 | 25 | 59 | 34 | 33 | 56 | — | — | — | 1802 | 1637 | — | — | 19 | 951 | 904 | 739 | 561 | 601 | 14 | 293 |
Swell 2 Height (m) Direction Period (s) | — | — | W 9 | W 8 | W 8 | WNW 11 | — | — | — | — | — | — | — | — | N 11 | N 10 | N 10 | N 10 | N 9 | — | N 8 |
| kJ | — | — | 13 | 22 | 22 | 143 | — | — | — | — | — | — | — | — | 178 | 172 | 125 | 66 | 25 | — | 12 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 7 | NNW 7 | — | — | — | — | WNW 9 | WNW 8 | WNW 8 | — | — | WNW 10 | WNW 10 | WNW 10 | — | — | — | — | S 3 | W 9 | — |
| kJ | 96 | 82 | — | — | — | — | 396 | 361 | 574 | — | — | 1275 | 1247 | 1042 | — | — | — | — | 5 | 550 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 282 | 148 | 148 | 492 | 513 | 2 | 31 | 1206 | 233 | 233 | 233 | 171 | 174 | 456 | 2 | 174 | 2 | 0 | 517 | 185 | 0 |
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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