Surf Forecasts:
Annascaul Rivermouth surf forecast from 21 Aug 2026:
- Best quality surf: Monday 24 Aug, 10PM (local time) - 3.5ft (1.1m), 10s period, WNW swell with cross-offshore winds.
- Most powerful swell: Monday 24 Aug, 10PM (local time) - 3.5ft (1.1m), 10s period, WNW swell with 250 kJ wave energy.
- Next surfable swell (1★+): Monday 24 Aug, 10PM (local time) - 3.5ft (1.1m), 10s period with WNW swell.
Best Forecast Surf Conditions for Annascaul Rivermouth this week:
The surf forecast for Annascaul Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 24) at 10PM. The primary swell is predicted to be 1.1m and 10s period with a secondary swell of 0.3m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Annascaul Rivermouth in the next 16 days are 1.1m 10s and forecast to arrive on Monday (Aug 24) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Thursday (Aug 27) at 1AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Mon 24th Aug) | 3.5ft (1.1m) 10s |
| Best Surf | 10PM (Mon 24th Aug) | 3.5ft (1.1m) 10s |
| Most Powerful | 10PM (Mon 24th Aug) | 3.5ft (1.1m) 10s |
Table - best surf conditions forecast for Annascaul Rivermouth over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s on the cards for Annascaul Rivermouth over the next couple of weeks.
First up, the honest truth: we’ve got a long, dry spell ahead. Don’t expect to be waxing up for a proper session for a while. The water is a touch warmer than normal for this time of year, coming in at 64°, which is a nice little bonus for the long wait.
The forecast is showing very poor conditions right through until the end of August. The swell is tiny, the wind is all over the shop, and there’s nothing to get excited about. You’ll be staring at flat, clean water for most of the first week, with a bit of a lift on the 25th (Tuesday) where we see a 3ft swell from the west with a 9-second period, but the energy is only moderate (186) and the wind is cross-off. It’s still a no-go for a proper surf. That pattern of poor surf continues day after day, with wind and swell never lining up.
The one standout that finally breaks the drought is on Monday, the 31st of August. The morning session is the best we’re going to get. Glassy conditions with a light air from the north-west, and a solid 8ft swell from the west rolling in. That’s proper groundswell territory, but with an 8-second period, it’s a bit short and bumpy, so it’ll be a bit of a lumpy beast. The energy is very strong (817), so you’ll want to be an intermediate or above – this is not for beginners. The crowd is listed as "sometimes", so you might have a few mates out, but it won’t be a circus. The afternoon sees that swell jump to 10ft, which is expert-only territory, and the wind turns cross-onshore, making it a messy, powerful affair.
The real kicker is that from the 31st, it quickly drops off again. The 1st of September is a write-off with cross-shore wind and a dropping swell. The rest of the first week of September is a return to the same small, unappealing conditions we saw at the start.
So, there you have it. A long, flat run, then one morning of proper, powerful, glassy waves on the 31st of August. That’s your window. Keep an eye on the forecasts, but as it stands, it’s a one-day wonder.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Fri morning. Very mild (max 17°C on Sun morning, min 11°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 12mm), heaviest on Wed afternoon. Warm (max 20°C on Mon morning, min 13°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||
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 9 | W 9 | W 10 | WSW 9 | SW 15 | SW 15 | SW 14 | SW 14 | WSW 9 | SSW 14 | SSW 14 | W 10 | W 9 | W 9 | W 8 | W 8 | W 7 | S 7 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 40 | 38 | 46 | 26 | 55 | 56 | 49 | 50 | 16 | 20 | 18 | 235 | 166 | 126 | 64 | 160 | 152 | 6 | 6 | 6 | 5 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | cross-off | off | glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | on | cross | cross | cross | cross-on |
High Tide | 11:44AM2.42m | 00:32AM2.29m | 1:11PM2.39m | 2:02AM2.33m | 2:29PM2.51m | 3:08AM2.50m | 3:24PM2.71m | 3:54AM2.70m | 4:05PM2.94m | 4:32AM2.90m | 4:41PM3.16m | 5:06AM3.09m | 5:14PM3.34m | ||||||||
Low Tide | 6:10PM1.29m | 6:48AM1.35m | 7:47PM1.25m | 8:14AM1.27m | 8:54PM1.08m | 9:11AM1.09m | 9:41PM0.86m | 9:52AM0.89m | 10:19PM0.64m | 10:28AM0.70m | 10:52PM0.43m | 11:00AM0.53m | 11:23PM0.25m | ||||||||
 |  |  |  | |  | | | | | |  | |  | | |  |  |  | | | |
 | 6:31 | — | — | 6:33 | — | — | 6:35 | — | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — |
 | — | 8:52 | — | — | 8:51 | — | — | 8:47 | — | — | 8:45 | — | — | 8:44 | — | — | 8:42 | — | — | 8:39 | — |
mm | 2 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | 2 | 2 | — | 1 |
Temp °C | 14 | 15 | 14 | 14 | 15 | 15 | 17 | 17 | 15 | 20 | 20 | 16 | 18 | 18 | 16 | 19 | 16 | 15 | 15 | 15 | 16 |
Feels °C | 9 | 9 | 10 | 11 | 12 | 13 | 16 | 15 | 14 | 17 | 15 | 14 | 15 | 16 | 16 | 18 | 16 | 16 | 13 | 11 | 14 |
Swell 1 Height (m) Direction Period (s) | WNW 7 | W 9 | W 10 | N 6 | NW 6 | SW 15 | SW 14 | SW 11 | NNW 7 | NW 11 | WNW 10 | W 10 | W 9 | W 9 | W 8 | S 8 | W 7 | WNW 12 | S 7 | WNW 9 | SW 12 |
| kJ | 96 | 38 | 46 | 26 | 15 | 56 | 49 | 29 | 18 | 347 | 245 | 235 | 166 | 126 | 64 | 11 | 152 | 14 | 1 | 595 | 5 |
Swell 2 Height (m) Direction Period (s) | W 9 | NW 8 | SSW 16 | NW 6 | WSW 9 | NW 6 | NW 5 | SW 14 | NW 11 | WSW 9 | WSW 8 | NW 11 | SSW 13 | NNW 10 | SSW 8 | S 5 | S 8 | S 7 | SW 12 | SW 12 | S 7 |
| kJ | 40 | 15 | 25 | 15 | 26 | 8 | 7 | 50 | 30 | 15 | 14 | 19 | 17 | 10 | 14 | 2 | 10 | 4 | 6 | 6 | 1 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | WSW 9 | SW 15 | WSW 9 | WSW 8 | NW 5 | WSW 9 | SSW 14 | SSW 14 | SSW 13 | NW 10 | S 8 | NW 9 | NNW 9 | NNW 8 | SW 12 | — | S 8 | — |
| kJ | 17 | 17 | 17 | 26 | 55 | 15 | 14 | 7 | 16 | 20 | 18 | 17 | 4 | 6 | 12 | 8 | 7 | 6 | — | 1 | — |
Wind waves Height (m) Direction Period (s) | N 7 | NNW 7 | NNW 6 | — | N 6 | NNE 6 | — | — | — | — | SE 4 | — | SE 4 | — | S 4 | W 8 | NW 6 | WNW 8 | NW 9 | — | WNW 8 |
| kJ | 173 | 206 | 134 | — | 16 | 6 | — | — | — | — | 4 | — | 3 | — | 8 | 160 | 54 | 824 | 749 | — | 555 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 112 | 101 | 3 | 14 | 6 | 3 | 3 | 120 | 6 | 13 | 14 | 0 | 3 | 3 | 6 | 13 | 13 | 83 | 100 | 210 | 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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