Annascaul Rivermouth Surf Break

Lat Long: 52.13° N 10.05° W

Annascaul Rivermouth Surf Forecast and Surf Report

Issued: 6 am 03 Sep 2026 (local time)

Forecast update in  hr  min

Today's Annascaul Rivermouth sea temperature is
17.2°C
1.4° 

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 3 Sep 2026:

  • Best quality surf: Thursday 10 Sep, 7AM (local time) - 7.5ft (2.3m), 10s period, WSW swell with cross-offshore winds.
  • Most powerful swell: Monday 7 Sep, 1AM (local time) - 10ft (3.0m), 12s period, WSW swell with 2,313 kJ wave energy.
  • Next surfable swell (1★+): Thursday 10 Sep, 7AM (local time) - 7.5ft (2.3m), 10s period with WSW 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 Thursday (Sep 10) at 7AM. The primary swell is predicted to be 2.3m and 10s period. 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 3.0m 12s and forecast to arrive on Monday (Sep 07) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.5m 12s period and expected on Friday (Sep 04) at 10AM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Thu 10th Sep)7.5ft (2.3m) 10s
Best Surf 7AM (Thu 10th Sep)7.5ft (2.3m) 10s
Most Powerful 1AM (Mon 7th Sep)10ft (3.0m) 12s

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 the next couple of weeks are shaping up like for Annascaul Rivermouth.

Right off the bat, I gotta be straight with you – it’s a grim start. The first week is pretty much a write-off. We’ve got a proper stormy mess blowing through from the 3rd right through the 9th. Onshore winds are just tearing it up, making everything lumpy and messy. Thursday the 3rd is a total loss with onshore winds and a raw 7ft swell that’s got no shape to it. That energy is there – we’re talking moderate to strong numbers (575 to 672) – but it’s wasted. Friday and Saturday aren’t any better, with tiny, weak swell and cross-onshore winds. There’s a little bump on Sunday the 6th, but again, the wind’s all wrong, and the energy (656) is just making a mess. Monday the 7th is a no-go with a big, unruly 10ft swell and strong winds up to 25 mph. This run of poor conditions lasts right through to the 9th.

Things look like they’re starting to change around Wednesday the 9th, but it’s still nothing to get excited about – just weak and choppy.

Now, there is a light at the end of the tunnel. Thursday the 10th is where it gets interesting. We’ve got a proper pulse of long-period groundswell rolling in, with the combined energy hitting a strong 2384 in the morning. The morning is a bit touchy with onshore wind, but the afternoon is the real deal. The wind swings around to a light cross-offshore breeze from the NNW, cleaning it right up. You’re looking at a solid 10ft of WSW groundswell (period 10 seconds) with clean conditions. That’s the standout session of the whole forecast period.

That quality carries over into Friday the 11th. The swell drops right back to 4ft, but those clean cross-offshore winds are still holding, making for some tidy little waves. Then Saturday the 12th is another beauty. We’ve got a clean 8ft groundswell from the WSW with glassy conditions in the morning – absolutely no wind. That’s prime. The energy’s solid at 866. This spot can get a crowd sometimes, so if you want a quiet one, dawn patrol on Saturday is your move for sure.

After that, the surf tails off into the second week. Sunday the 13th still has some clean 5ft waves in the morning with glassy conditions, but it’s nothing special. The rest of the week drifts into smaller, weaker swells. There’s a bit of a pulse on Monday the 14th with 7ft from the west, but the wind conditions are just okay, nothing to write home about. By Tuesday the 15th and beyond, we’re back to tiny waves and mostly flat days right through to the 18th.

Honestly, with that big, messy early week and a proper clean swell window on the 10th, 11th, and 12th, that’s your only real window. The 10th and 12th are the clear standouts. Don’t bother before that.

Stay stoked,
Rusty

Short Range Forecast

Moderate rain (total 11mm), heaviest on Thu afternoon. Very mild (max 18°C on Thu morning, min 13°C on Fri night). Winds decreasing (fresh winds from the W on Thu night, light winds from the SW by Fri night).

Days 4-6 Weather Summary

Moderate rain (total 13mm), heaviest on Mon night. Very mild (max 18°C on Sun morning, min 13°C on Mon night). Mainly fresh winds.

Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
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
1
0
0
0
0
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2
WSW
8
2
W
9
2.5
W
10
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.3
SSW
14
1.5
SSW
5
1.4
WSW
8
1.6
WSW
8
2.4
SW
10
3
WSW
12
2.2
WSW
11
2.5
WSW
9
3
W
8
3.5
WNW
9
3.5
NW
9
0.5
SW
8
0.6
WSW
7
1.5
SW
6
2.1
SW
8
Wave Graph
Metric surfscale
Energy kJ
534
603
1370
54
53
51
36
112
224
339
1077
2313
1162
977
1055
0
0
31
31
131
503
Wind (km/h)
20
SW
20
SW
25
W
30
W
30
W
10
WSW
10
SSE
15
SSE
15
SSE
20
SSE
20
SSW
15
W
20
SW
25
SW
25
WNW
25
WNW
30
NW
15
NW
5
SW
15
SSW
20
ESE
Wind State
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
on
cross-on
on
on
cross
cross
cross
cross
on
cross-on
cross-off
High Tide
9:42PM2.86m
10:15AM2.79m
10:54PM2.65m
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
Low Tide
3:14PM0.71m
3:42AM0.81m
4:19PM0.92m
4:56AM1.04m
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
cloud
light rain
mod rain
part cloud
clear
part cloud
cloud
part cloud
part cloud
rain showers
light rain
part cloud
light rain
light rain
rain showers
rain showers
clear
clear
part cloud
cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:54
6:54
6:56
6:58
7:00
7:01
7:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:23
8:22
8:19
8:16
8:15
8:12
8:09
 mm
5
6
1
1
1
4
5
1
8
Temp °C
18
17
15
16
16
14
14
16
16
18
18
15
16
16
14
15
15
14
14
14
12
Feels °C
16
15
14
10
10
11
11
14
15
15
16
12
13
13
12
10
8
10
12
10
9
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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