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Surf Forecasts:
Strandhill surf forecast from 13 Sep 2026:
- Best quality surf: Friday 18 Sep, 7AM (local time) - 10ft (3.0m), 14s period, WNW swell with cross-shore winds.
- Most powerful swell: Thursday 17 Sep, 10PM (local time) - 11ft (3.5m), 15s period, WNW swell with 5,038 kJ wave energy.
- Next surfable swell (1★+): Sunday 13 Sep, 7PM (local time) - 3ft (0.9m), 10s period with WNW swell.
Best Forecast Surf Conditions for Strandhill this week:
The surf forecast for Strandhill over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 13) at 7PM. The primary swell is predicted to be 0.9m and 10s period with a secondary swell of 0.4m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Strandhill in the next 16 days are 3.5m 15s and forecast to arrive on Thursday (Sep 17) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Monday (Sep 14) at 1PM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Sun 13th Sep) | 3ft (0.9m) 10s |
| Best Surf | 7AM (Fri 18th Sep) | 10ft (3.0m) 14s |
| Most Powerful | 10PM (Thu 17th Sep) | 11ft (3.5m) 15s |
Table - best surf conditions forecast for Strandhill over the next 16 days.
The Lowdown
Alright, let’s look at this 16-day window for Strandhill. The first bit is ugly, no way around it.
Starting Sunday the 13th, the surf is clean but small – a 4ft WNW groundswell with a light offshore breeze. The water’s at 60°, a little warmer than normal for September. The combined energy is moderate at 279.
From Monday the 14th through Saturday the 19th, it’s mostly poor. Onshore winds and messy conditions. Tuesday the 15th has a messy 6ft cross-on shore, and by Thursday the 17th the swell hits 10ft but it’s howling onshore and lumpy. The energy jumps to 2954, but it’s all blown out. That’s more for kite surfers than paddlers.
Sunday the 20th is the first real turnaround. Clean 8ft WNW groundswell with a 13-second period and a light cross-off breeze. Over 8ft, so it’s for experienced surfers only. The energy is strong at 2035. Crowds are possible.
But the true standout is Saturday the 26th. The morning brings a 7ft WNW groundswell with a 15-second period – that’s a very long period groundswell. Offshore wind is light, and the energy is very strong at 2047. This is big, powerful, and clean. That long period means longer gaps between sets, and the shape will be excellent. Only for experienced surfers. Sunday the 27th also looks prime with glassy conditions and a 6ft WNW swell carrying good energy at 793.
So, a rough first week, a solid session on the 20th, and then the second week finishes strong with that Saturday the 26th as the one to get excited about. Long-range, but keep it on the radar.
Rusty.
Short Range ForecastLight rain (total 9mm), mostly falling on Mon afternoon. Very mild (max 18°C on Sun afternoon, min 12°C on Mon night). Winds increasing (light winds from the SSE on Sun morning, fresh winds from the NW by Tue afternoon). | Days 4-6 Weather SummaryLight rain (total 7mm), mostly falling on Wed night. Very mild (max 16°C on Fri morning, min 12°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | |||||||||||||||
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 11 | WNW 10 | WNW 9 | W 7 | W 11 | W 10 | W 7 | W 10 | WNW 12 | WNW 11 | WNW 10 | W 9 | W 9 | WNW 13 | WNW 14 | WNW 13 | W 13 | W 11 | W 10 | WNW 10 | WNW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 260 | 137 | 71 | 28 | 188 | 255 | 274 | 423 | 1160 | 672 | 394 | 349 | 715 | 2954 | 4555 | 2693 | 1724 | 986 | 666 | 1007 | 2008 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | on | on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:00PM3.70m | 8:20AM3.36m | 8:35PM3.47m | 8:53AM3.24m | 9:09PM3.18m | 9:26AM3.07m | 9:44PM2.87m | 10:03AM2.85m | 10:24PM2.56m | 10:49AM2.62m | 11:18PM2.29m | 12:00PM2.43m | 00:50AM2.12m | ||||||||
Low Tide | 1:39PM0.06m | 2:06AM0.06m | 2:15PM0.19m | 2:37AM0.27m | 2:50PM0.40m | 3:08AM0.53m | 3:27PM0.66m | 3:40AM0.81m | 4:07PM0.95m | 4:17AM1.09m | 5:00PM1.24m | 5:11AM1.33m | 6:33PM1.44m | ||||||||
 | |  |  |  |  | |  | | | | | | |  | | | | |  | | |
 | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — |
 | — | 7:57 | — | — | 7:53 | — | — | 7:52 | — | — | 7:49 | — | — | 7:46 | — | — | 7:44 | — | — | 7:42 | — |
mm | — | — | — | 1 | 3 | 2 | 2 | — | 1 | 1 | — | 3 | — | — | 1 | — | 1 | 1 | — | — | — |
Temp °C | 17 | 18 | 16 | 17 | 17 | 16 | 14 | 14 | 13 | 13 | 14 | 14 | 14 | 14 | 13 | 16 | 16 | 16 | 14 | 13 | 13 |
Feels °C | 16 | 17 | 15 | 14 | 15 | 13 | 9 | 8 | 7 | 9 | 11 | 10 | 7 | 7 | 7 | 11 | 13 | 11 | 6 | 5 | 5 |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 10 | WNW 9 | W 7 | W 11 | W 10 | NW 11 | — | — | WNW 11 | WNW 10 | — | — | — | — | WNW 13 | W 13 | — | — | — | WNW 13 |
| kJ | 260 | 137 | 71 | 25 | 188 | 255 | 5 | — | — | 672 | 394 | — | — | — | — | 2693 | 1724 | — | — | — | 2008 |
Swell 2 Height (m) Direction Period (s) | WSW 10 | W 10 | WSW 9 | WNW 8 | NW 13 | NW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 19 | 49 | 16 | 28 | 7 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | NW 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SSW 2 | SSW 3 | S 3 | — | W 7 | W 10 | WNW 12 | — | — | W 9 | W 9 | WNW 13 | WNW 14 | — | — | W 11 | W 10 | WNW 10 | — |
| kJ | — | — | 1 | 3 | 3 | — | 274 | 423 | 1160 | — | — | 349 | 715 | 2954 | 4555 | — | — | 986 | 666 | 1007 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 8 | 8 | 41 | 534 | 712 | 558 | 285 | 41 | 440 | 469 | 469 | 534 | 243 | 39 | 722 | 273 | 703 | 243 |
Best forecast wave conditions in Sligo | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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Information about the Strandhill Surf forecast
The above surf forecast table for Strandhill provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Strandhill can be found by selecting the local surf guide option on the grey menu. Our Strandhill 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 (Strandhill) 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 Strandhill 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 Sligo? If you are looking for accommodation near Strandhill, camping, hotels and holiday cottages in Sligo, consider staying in Sligo which is 9 km (6 miles) away. Other places in and around Sligo where you can find information about places to rent, and car hire include Ballina which is 40 km (25 miles) away, Killybegs, Enniskillen and Claremorris.
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