Surf Forecasts:
Kilcummin Harbour surf forecast from 14 Jul 2026:
- Best quality surf: Tuesday 21 Jul, 1AM (local time) - 2.5ft (0.7m), 10s period, W swell with cross-offshore winds.
- Most powerful swell: Monday 20 Jul, 7PM (local time) - 3ft (0.9m), 10s period, WNW swell with 160 kJ wave energy.
- Next surfable swell (1★+): Tuesday 21 Jul, 1AM (local time) - 2.5ft (0.7m), 10s 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 21) at 1AM. The primary swell is predicted to be 0.7m and 10s period with a secondary swell of 0.7m and 7s. 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 0.9m 10s and forecast to arrive on Monday (Jul 20) 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 0.3m 3s period and expected on Tuesday (Jul 14) at 7AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Tue 21st Jul) | 2.5ft (0.7m) 10s |
| Best Surf | 1AM (Tue 21st Jul) | 2.5ft (0.7m) 10s |
| Most Powerful | 7PM (Mon 20th Jul) | 3ft (0.9m) 10s |
Table - best surf conditions forecast for Kilcummin Harbour over the next 16 days.
The Lowdown
Hey, Rusty here. Let's talk about the next couple of weeks. Gotta be honest, it's looking like a tough stretch. The only break mentioned is Kilcummin Harbour, and it's a fickle, rarely breaking reef, so we're really scraping the barrel here.
Water temp is about 60°F, a touch warmer than usual for the season.
The first week is a total washout. From Monday the 13th all the way through to Tuesday the 21st of July, there's just nothing. The swell is flat, mostly under 3 feet, and the wind is onshore or cross-on, making it all choppy and messy. The wave energy is weak, barely breaking 100.
Then, on Wednesday the 22nd of July, we get a glimpse of hope. Kilcummin Harbour (Ireland) has a clean early morning with light offshore wind from the East. The swell picks up to 6 feet from the West, with a 9-second period. The clean conditions should make the reef fun, and the wave energy climbs to a moderate 519. This is your one shot, but remember how inconsistent this spot is. That 6-foot swell is pushing it for beginners.
Thursday the 23rd still has some life with a 5-foot swell from the West, but a building SSE wind makes it less tempting. Energy drops to 254.
The end of the month gets messy. Saturday the 25th has a 6-foot swell from the West in the afternoon with a clean cross-off wind (energy 366), but the period is short at 8 seconds, so the waves will be crumbly. Then Sunday the 26th is a write-off with 40 km/h ESE winds, trashing any chance of a clean wave.
So, mark your calendar for the morning of Wednesday the 22nd of July at Kilcummin Harbour. That's your one, maybe-only, chance. Otherwise, it's a long stretch of flatness.
Rusty.
Short Range ForecastMostly dry. Warm (max 24°C on Wed afternoon, min 16°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 22°C on Thu afternoon, min 13°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Mon 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||||
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) | W 13 | W 11 | W 10 | W 10 | W 10 | WSW 9 | WSW 9 | W 8 | W 9 | W 9 | W 8 | WNW 10 | WNW 9 | N 5 | NW 8 | N 5 | NW 7 | WNW 9 | W 8 | W 11 | W 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 29 | 60 | 102 | 69 | 46 | 27 | 28 | 23 | 24 | 23 | 22 | 41 | 69 | 64 | 29 | 27 | 16 | 25 | 21 | 21 | 52 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-on | cross-off | cross | cross-on | glassy | cross-on | on | on | on | on | on | on | on | on | on | on | cross | cross-on |
High Tide | 5:44PM3.43m | 6:12AM3.18m | 6:35PM3.67m | 7:03AM3.23m | 7:23PM3.84m | 7:51AM3.22m | 8:10PM3.90m | 8:37AM3.14m | 8:55PM3.83m | 9:22AM3.02m | 9:39PM3.65m | 10:07AM2.88m | 10:24PM3.39m | 10:54AM2.73m | |||||||
Low Tide | 11:58PM0.23m | 12:09PM0.21m | 00:50AM0.06m | 12:55PM0.12m | 1:40AM-0.02m | 1:40PM0.10m | 2:27AM-0.00m | 2:23PM0.15m | 3:13AM0.11m | 3:07PM0.29m | 3:57AM0.29m | 3:52PM0.48m | 4:42AM0.50m | ||||||||
 |  | |  | | | | | | | | | |  | | | | | | | | |
 | — | — | 5:20 | — | — | 5:20 | — | — | 5:22 | — | — | 5:24 | — | — | 5:24 | — | — | 5:26 | — | — | 5:28 |
 | — | 10:05 | — | — | 10:04 | — | — | 10:02 | — | — | 10:00 | — | — | 10:00 | — | — | 9:59 | — | — | 9:58 | 9:55 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 19 | 20 | 22 | 21 | 22 | 24 | 23 | 22 | 22 | 19 | 16 | 15 | 14 | 15 | 15 | 14 | 15 | 16 | 15 | 18 |
Feels °C | 19 | 18 | 18 | 20 | 19 | 20 | 23 | 25 | 22 | 20 | 17 | 12 | 11 | 12 | 11 | 11 | 11 | 13 | 14 | 13 | 15 |
Swell 1 Height (m) Direction Period (s) | WNW 7 | NNE 5 | W 10 | W 10 | W 10 | WSW 9 | WSW 9 | W 8 | W 9 | W 9 | W 8 | WNW 10 | WNW 9 | WNW 8 | NW 8 | NW 7 | NW 7 | WNW 9 | W 8 | W 8 | W 10 |
| kJ | 17 | 13 | 102 | 69 | 46 | 27 | 28 | 23 | 24 | 23 | 22 | 41 | 69 | 39 | 29 | 19 | 12 | 25 | 21 | 20 | 52 |
Swell 2 Height (m) Direction Period (s) | W 13 | W 11 | NNE 4 | SW 18 | NNE 4 | NNE 3 | W 16 | NNE 4 | W 11 | W 10 | WNW 12 | W 8 | W 13 | W 8 | W 8 | W 7 | W 9 | N 5 | N 6 | W 11 | W 7 |
| kJ | 29 | 60 | 1 | 12 | 3 | 1 | 5 | 3 | 2 | 8 | 13 | 21 | 4 | 5 | 10 | 10 | 16 | 8 | 10 | 21 | 10 |
Swell 3 Height (m) Direction Period (s) | NW 10 | NW 9 | W 18 | — | W 18 | W 11 | — | W 16 | W 15 | W 15 | W 15 | W 14 | — | — | W 12 | W 11 | W 7 | NW 6 | NW 6 | N 6 | W 7 |
| kJ | 4 | 21 | 6 | — | 6 | 2 | — | 5 | 5 | 4 | 4 | 4 | — | — | 3 | 9 | 4 | 6 | 6 | 5 | 10 |
Wind waves Height (m) Direction Period (s) | NNE 5 | E 3 | E 3 | NE 3 | ESE 3 | E 3 | NE 2 | ESE 3 | ENE 2 | — | NNE 4 | N 4 | N 5 | N 5 | N 5 | N 5 | N 5 | — | — | — | NW 5 |
| kJ | 9 | 3 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | — | 18 | 7 | 27 | 64 | 25 | 27 | 12 | — | — | — | 7 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 66 | 11 | 10 | 11 | 11 | 66 | 66 | 66 | 66 | 66 | 66 | 281 | 473 | 66 | 201 | 508 | 69 | 171 | 466 | 69 | 2 |
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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