Annascaul Rivermouth Surf Break

Lat Long: 52.13° N 10.05° W

Annascaul Rivermouth Surf Forecast and Surf Report

Issued: 6 am 06 Aug 2026 (local time)

Forecast update in  hr  min

Today's Annascaul Rivermouth sea temperature is
17.6° C
1.6° 

Annascaul Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Annascaul Rivermouth surf forecast from 6 Aug 2026:

  • Most powerful swell: Wednesday 12 Aug, 4AM (local time) - 5.5ft (1.7m), 10s period, WSW swell with 490 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 1.7m 10s and forecast to arrive on Wednesday (Aug 12) at 4AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 10s period and expected on Friday (Aug 07) at 7PM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 4AM (Wed 12th Aug)5.5ft (1.7m) 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 menu for our local stretch. I gotta be straight with you – this is a tough one. We’ve got a solid 16-day window here, but for the vast majority of it, the surf is just not cooperating. It’s going to be a long, quiet stretch, so don’t be holding your breath for magic.

Right off the bat, from Thursday the 6th of August right through to the middle of the following week, the forecast is basically a write-off. We’re seeing tiny, weak swell with very poor surf conditions. The combined wave energy is a measly 66 on Thursday morning, and it just doesn’t get any real drive. Winds are mostly cross or onshore, keeping things messy. The water temp is running at 64°F, which is a touch warmer than average for this time of year.

There’s a glimmer on Monday morning the 10th – we get a bit of glassy conditions with a slight air, 4ft of west swell at 8 seconds, and the energy bumps up to 146. But it’s still labeled as poor surf, so don’t get your hopes up too much. That’s about the only bit of quiet in the first week, but still not worth calling in sick for.

The second week turns a corner in size, but the wind stays troublesome. By Sunday the 16th of August, we see swell building to 6ft from the west with 381 of energy, but it’s cross-onshore and choppy. Monday the 17th gets smoked by a fresh 19 mph cross-onshore wind – that’s a write-off, the sea will be lumpy junk. Honestly, for the breaks around here, if you’re into kite surfing, the setup might look more interesting than paddle surfing on those windy days.

The one true standout, and the only one I’d even mention, arrives way out in the window on Wednesday the 19th of August. The morning brings a solid 10ft of west swell, with a period of 11 seconds, and the combined energy goes absolutely nuts at 2101. That is serious, powerful groundswell. It’s big wave territory – over 8ft, so only for the experts. The downside? The wind is a moderate cross-onshore at 12 mph, so it’ll be choppy, but with that much size and energy, the waves will have some serious grunt. The swell direction is west, and that’s the optimum direction for Annascaul Rivermouth. This spot is sheltered and very consistent, though crowds are sometimes a problem.

For the other days in that final stretch, like Thursday the 20th, the swell is still big (8ft) but with a shorter 9-second period and a force 4 cross-onshore wind. It’ll be powerful, but messy. The energy stays strong, over 1000, but it’s not the same quality as the 19th. That 19th is the one to circle on the calendar, but remember, it’s over a week and a half away, so it’s not a lock.

So, the bottom line: it’s a long, dry spell with a massive, powerful, but possibly lumpy session right at the very end. If the wind shifts and cleans up for the 19th, it could be a day to remember. For now, keep the board in the car just in case, but don’t hold your breath.

Stay safe,
Rusty

Short Range Forecast

Light rain (total 2mm), mostly falling on Sat night. Very mild (max 19°C on Sat morning, min 13°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 21°C on Tue morning, min 15°C on Sun night). Wind will be generally light.

Thursday
6
Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
Wednesday
12
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
W
10
0.4
W
10
0.4
W
9
0.4
W
9
0.2
SSW
12
0.4
SW
8
1.2
SSW
7
1.2
SSW
7
0.9
SSW
7
0.5
SSW
6
0.4
SW
6
1.2
WNW
8
1.1
W
8
1
W
8
0.7
W
7
0.5
W
7
1
W
11
1.6
WSW
10
1.5
SW
9
1.4
SW
9
1.3
WSW
10
Wave Graph
Metric surfscale
Energy kJ
30
29
27
26
14
16
140
136
81
23
10
187
146
111
50
23
242
480
357
314
290
Wind (km/h)
5
WSW
15
W
10
SSW
10
SSW
15
SW
10
SSE
15
S
20
SSW
10
S
5
WSW
10
WNW
5
WSW
5
SSW
5
WNW
10
SE
15
SSE
25
S
15
SSE
10
SSE
15
SW
10
S
Wind State
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
on
cross-on
cross-on
cross
on
glassy
cross
cross
cross-on
cross-on
cross-on
cross-on
on
cross-on
High Tide
10:41AM2.80m
11:08PM2.73m
11:50AM2.72m
00:29AM2.66m
1:11PM2.74m
1:55AM2.73m
2:29PM2.91m
3:10AM2.92m
3:34PM3.16m
4:10AM3.16m
4:28PM3.42m
5:01AM3.37m
5:15PM3.63m
Low Tide
4:40PM0.92m
5:16AM0.90m
6:01PM0.99m
6:41AM0.97m
7:32PM0.91m
8:06AM0.89m
8:49PM0.68m
9:14AM0.69m
9:49PM0.39m
10:10AM0.48m
10:41PM0.13m
10:57AM0.29m
11:26PM-0.06m
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
rain showers
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:09
6:11
6:13
6:13
6:16
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:22
9:21
9:19
9:16
9:15
9:13
9:10
 mm
2
Temp °C
16
17
15
17
18
15
19
19
17
18
18
16
18
18
17
21
21
18
20
21
18
Feels °C
13
14
13
15
16
13
15
16
16
17
17
16
18
17
17
19
18
17
20
20
18
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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