Surf Forecasts:
Annascaul Rivermouth surf forecast from 5 Sep 2026:
- Most powerful swell: Monday 7 Sep, 1AM (local time) - 10ft (3.0m), 13s period, WSW swell with 3,614 kJ wave energy.
Best Forecast Surf Conditions for Annascaul Rivermouth this week:
The most powerful waves expected at Annascaul Rivermouth in the next 16 days are 3.0m 13s and forecast to arrive on Monday (Sep 07) at 1AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 13s period and expected on Tuesday (Sep 08) at 4AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1AM (Mon 7th Sep) | 10ft (3.0m) 13s |
Table - best surf conditions forecast for Annascaul Rivermouth over the next 16 days.
The Lowdown
Alright folks, Rusty here. Grab a coffee, because we need to talk about the next couple of weeks. It’s a bit of a rough patch for our stretch of coast, and I’m not going to sugarcoat it.
We’re looking at a long, frustrating stretch of poor surf ahead. For the next week nearly, from Saturday the 5th through to Friday the 11th, it's a write-off. The swell shows up on paper, especially around Sunday the 6th and Monday the 7th, with the swell topping out around 12ft. But the wind is just all over it. We're talking strong cross-onshore and onshore winds that will have it chopped up and lumpy. The wave energy is there, but it’s messy, powerful (2717 for Monday morning) and just not user-friendly. If you’re a beginner, do yourself a favour and stay well away from anything over 5ft. And it’s not like the conditions improve much. Saturday the 12th might see a tiny bit of glass in the afternoon, but the swell is nearly flat.
There’s a glimmer on Sunday the 13th. The morning brings a clean light offshore breeze from the NE and a bit of west swell at 2ft. It’s small, but it’ll be the cleanest we’ve seen. We’re still talking about poor quality, but at least it’s not a washing machine.
But honestly, the standout—if you can even call it that—doesn’t come until Sunday the 20th of September. That’s over a week and a half away, so keep your expectations in check. The wind is forecast to be totally calm and glassy with almost no wind at all. The swell is a tiny 3ft from the SW with a short, weak period of 5 seconds. The energy is minimal (60), so the wave will be small and weak, but it will be in the only clean conditions we’ve seen all fortnight. For Annascaul Rivermouth, which is sheltered and works on a SW optimum, this is the only real window where the stars align. It’s a promise, not a guarantee, but it’s all we’ve got.
So, the long and short of it is: don’t get too excited for the next 16 days. There are a few days with swell, but the wind will ruin them. The one to circle is the 20th, a Sunday, with the hope of some clean, glassy little waves. Fingers crossed we get lucky.
Rusty.
Short Range ForecastLight rain (total 8mm), mostly falling on Sun afternoon. Very mild (max 19°C on Sun morning, min 13°C on Mon night). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Wed night. Very mild (max 17°C on Wed night, min 13°C on Tue night). Mainly strong winds. | ||||||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | |||||||||||||||
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) | SSW 14 | S 4 | SSW 6 | SSW 8 | WSW 10 | WSW 13 | WSW 10 | W 10 | WNW 10 | SW 11 | SW 11 | SW 11 | SW 10 | SSW 7 | SW 7 | WSW 10 | WSW 10 | W 9 | WNW 8 | S 16 | WNW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 36 | 27 | 136 | 736 | 1697 | 3614 | 2766 | 2252 | 3098 | 5 | 5 | 5 | 4 | 5 | 589 | 943 | 942 | 707 | 0 | 5 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | on | on | cross-on | cross-on | cross | cross | cross | cross-on |
High Tide | 11:34AM2.66m | 00:27AM2.56m | 1:06PM2.70m | 1:58AM2.68m | 2:25PM2.91m | 3:08AM2.93m | 3:25PM3.19m | 4:01AM3.19m | 4:14PM3.44m | 4:46AM3.40m | 4:58PM3.63m | 5:27AM3.54m | 5:38PM3.72m | ||||||||
Low Tide | 5:53PM1.03m | 6:37AM1.11m | 7:35PM0.91m | 8:07AM0.97m | 8:49PM0.64m | 9:11AM0.72m | 9:43PM0.34m | 10:00AM0.48m | 10:28PM0.10m | 10:43AM0.28m | 11:08PM-0.06m | 11:21AM0.15m | 11:45PM-0.12m | ||||||||
 | |  |  |  |  | |  |  | | | | | |  | | | | | |  | |
 | 6:56 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — | 7:07 | — | — |
 | — | 8:19 | — | — | 8:16 | — | — | 8:15 | — | — | 8:12 | — | — | 8:09 | — | — | 8:07 | — | — | 8:05 | — |
mm | — | — | — | 1 | 3 | — | 3 | — | 1 | 1 | — | — | — | 2 | 5 | — | — | — | — | — | 6 |
Temp °C | 15 | 15 | 18 | 19 | 18 | 15 | 16 | 15 | 14 | 15 | 15 | 14 | 16 | 15 | 17 | 17 | 17 | 14 | 15 | 15 | 13 |
Feels °C | 13 | 13 | 16 | 15 | 18 | 12 | 12 | 10 | 9 | 9 | 9 | 9 | 13 | 11 | 15 | 14 | 11 | 9 | 10 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 10 | NW 9 | NNW 8 | SW 12 | — | — | — | — | SW 11 | SW 11 | NW 10 | NW 9 | WNW 9 | WNW 8 | WSW 10 | NW 7 | N 7 | — | S 16 | WNW 10 |
| kJ | 1360 | 600 | 231 | 26 | 24 | — | — | — | — | 5 | 5 | 1816 | 788 | 486 | 52 | 943 | 77 | 9 | — | 5 | 1077 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | N 8 | SSW 13 | NW 8 | WSW 18 | — | — | — | — | — | — | SW 11 | N 10 | N 9 | N 9 | NW 7 | N 8 | — | — | — | WNW 12 |
| kJ | 36 | 49 | 17 | 17 | 61 | — | — | — | — | — | — | 5 | 68 | 102 | 79 | 77 | 21 | — | — | — | 309 |
Swell 3 Height (m) Direction Period (s) | — | SSW 13 | — | — | NNW 9 | — | — | — | — | — | — | — | SW 10 | W 13 | NW 8 | N 8 | N 8 | — | — | — | — |
| kJ | — | 17 | — | — | 8 | — | — | — | — | — | — | — | 4 | 3 | 33 | 35 | 21 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | S 4 | SSW 6 | SSW 8 | WSW 10 | WSW 13 | WSW 10 | W 10 | WNW 10 | WNW 12 | NW 11 | NW 10 | — | SSW 7 | SW 7 | — | WSW 10 | W 9 | WNW 8 | WNW 9 | — |
| kJ | — | 27 | 136 | 736 | 1697 | 3614 | 2766 | 2252 | 3098 | 4745 | 3298 | 1577 | — | 5 | 589 | — | 942 | 707 | 889 | 1205 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 101 | 8 | 8 | 8 | 417 | 592 | 142 | 668 | 437 | 142 | 437 | 567 | 636 | 19 | 13 | 13 | 24 | 577 | 142 | 486 | 13 |
Best forecast wave conditions in Kerry | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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Information about the Annascaul Rivermouth Surf forecast
The above surf forecast table for Annascaul Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Annascaul Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Annascaul Rivermouth 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 (Annascaul Rivermouth) 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 Annascaul Rivermouth 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 Kerry? If you are looking for accommodation near Annascaul Rivermouth, camping, hotels and holiday cottages in Kerry, consider staying in Fenit which is 21 km (13 miles) away. Other places in and around Kerry where you can find information about places to rent, and car hire include Valentia which is 27 km (17 miles) away, Tra Li, Bantry and Foynes.
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