Cahuil Surf Break

Lat Long: 34.48° S 72.03° W

Cahuil Surf Forecast and Surf Report

Issued: 7 pm 13 Jul 2026 (local time)

Forecast update in  hr  min

Today's Cahuil sea temperature is
12.7° C
0.4° 

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


Cahuil surf forecast from 14 Jul 2026:

  • Best quality surf: Tuesday 14 Jul, 2AM (local time) - 11ft (3.5m), 14s period, WSW swell with glassy winds.
  • Most powerful swell: Tuesday 14 Jul, 2AM (local time) - 11ft (3.5m), 14s period, WSW swell with 5,192 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 14 Jul, 2AM (local time) - 11ft (3.5m), 14s period with WSW swell.

Best Forecast Surf Conditions for Cahuil this week:

The surf forecast for Cahuil over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 14) at 2AM. The primary swell is predicted to be 3.5m and 14s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Cahuil in the next 16 days are 3.5m 14s and forecast to arrive on Tuesday (Jul 14) at 2AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 6.0m 10s period and expected on Thursday (Jul 16) at 11PM.

Wave TypeTime (-04) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Tue 14th Jul)11ft (3.5m) 14s
Best Surf 2AM (Tue 14th Jul)11ft (3.5m) 14s
Most Powerful 2AM (Tue 14th Jul)11ft (3.5m) 14s

Table - best surf conditions forecast for Cahuil over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s have a look at what’s on the cards for Cahuil over the next couple of weeks.

Right off the bat, we’ve got some solid swell, but for the first few days the wind is going to be a bit of a pain, making things messy. Cahuil is a river break that *rarely breaks*, so when it does, you want the stars to align. This week is a bit of a slow burn.

Tuesday morning kicks off with a 10ft WSW swell at a long 13 seconds, packing a punch with strong wave energy (3468), but that northerly cross-off wind is not doing it any favours. It's surfable but feels marginal. The afternoon drops to 8ft and the wind picks up – not a great time to be out there.

Wednesday afternoon is the first little window that gets interesting for a surfer. A 5ft NW swell with offshore wind from the NE at 9 mph. The clean conditions make this one of the better windows in the first week, even if the swell’s not huge. It’s a modest wave, but for an intermediate surfer, it’s a decent chance for a session.

Saturday afternoon shows up with a 5ft W swell, a 12-second period, and moderate energy (1061). The wind is light from the north, and while the report says it’s excellent for experienced surfers, the cleanup might be okay for the bold intermediate if you pick your tides right. It’s a standout in an otherwise average week.

Now, hold onto your board, because Monday the 20th morning brings a monster. A 13ft WSW swell with short 10-second period and a massive combined energy of 3187 – that is strong wave energy. The wind is light offshore from the ENE. However, the call is that the swell is predicted to be too big for Cahuil. This is expert-only territory, and honestly, with that much water moving, it’s likely a washout or just plain dangerous. The afternoon drops to 8ft, which is more manageable but still heavy.

The second week gets dicey. The 26th and 27th see more 10ft to 15ft WSW swells with long periods up to 15 seconds. The energy readings are off the charts – 7873, 7339, 8228 – that’s very strong wave energy. The forecast keeps saying the swell is too big for this break. For the 28th and 29th, we’re looking at 15ft and 12ft swells with similar massive energy, all too big for the break. If you’re an expert with a death wish and a boat, you might look at it, but for anyone else, the water temperature is about average for the time of year, so you won’t freeze while you’re getting pounded.

Given the size and the fact it’s a river break, on the 26th and 27th with the strong cross-off winds, this setup actually looks more interesting for kite surfing than paddle surfing.

So, to sum it up: the best bet for a decent paddle is Wednesday afternoon, July 15 for a clean, smaller session, or Saturday afternoon, July 18 if you want a bit more power. Everything else is either too windy, too big, or just plain messy. Stay safe out there.

Rusty.

Short Range Forecast

Heavy rain (total 24mm), heaviest during Thu afternoon. Very mild (max 15°C on Tue afternoon, min 12°C on Tue morning). Winds increasing (calm on Mon night, near gales from the NNE by Thu afternoon).

Days 5-7 Weather Summary

Heavy rain (total 134mm), heaviest during Sun afternoon. Very mild (max 14°C on Fri morning, min 11°C on Fri night). Winds decreasing (near gales from the NNE on Thu night, light winds from the E by Sat night).

Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Mon
20
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
!
4
3
3
2
3
2
0
0
0
2
1
1
2
4
3
3
0
0
!
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3.5
WSW
14
3
WSW
13
2.5
WSW
13
2.2
W
12
1.7
WNW
9
1.6
NW
8
1.4
WNW
9
0.6
SW
12
0.5
SW
16
0.8
SW
15
1.8
WNW
10
1.5
WNW
10
1.3
SW
12
1.1
SW
12
1.5
W
12
1.3
W
12
1.2
WNW
12
1.3
W
11
1
W
11
4
WSW
10
2.4
WSW
9
Wave Graph
Metric surfscale
Energy kJ
5192
3468
2172
1365
463
267
300
110
129
309
661
419
546
361
672
456
374
410
237
3016
944
Wind (km/h)
5
NE
15
N
20
NNE
15
NNE
20
N
15
NE
15
NNE
35
NNE
60
NNE
40
N
25
N
30
N
35
N
20
N
10
N
10
ESE
15
ESE
45
N
10
SW
10
ENE
10
NNE
Wind State
glassy
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
on
off
cross-off
High Tide
10:01PM0.93m
10:12AM1.66m
10:51PM0.98m
11:02AM1.68m
11:39PM1.01m
11:49AM1.65m
00:26AM1.04m
12:34PM1.56m
1:13AM1.06m
1:19PM1.43m
2:02AM1.08m
2:04PM1.27m
2:53AM1.08m
2:51PM1.10m
Low Tide
3:30AM0.13m
5:02PM-0.04m
4:22AM0.08m
5:48PM-0.06m
5:12AM0.07m
6:32PM-0.05m
6:03AM0.10m
7:15PM-0.01m
6:54AM0.17m
7:56PM0.06m
7:49AM0.26m
8:37PM0.15m
8:50AM0.35m
cloud
cloud
cloud
cloud
light rain
mod rain
light rain
cloud
heavy rain
heavy rain
thunderstorm
thunderstorm
heavy rain
rain showers
rain showers
rain showers
mod rain
heavy rain
heavy rain
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:52
7:52
7:50
7:50
7:50
7:50
7:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:54
5:54
5:55
5:55
5:57
5:58
5:58
5:59
 mm
3
6
1
14
45
12
5
27
5
2
3
7
28
45
5
2
Temp °C
13
14
15
14
14
14
14
15
14
13
14
14
14
13
14
12
11
14
12
12
13
Feels °C
12
11
12
12
10
12
13
8
6
2
10
9
8
9
11
10
9
6
9
10
11
  • 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 Cahuil Surf forecast

The above surf forecast table for Cahuil provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cahuil can be found by selecting the local surf guide option on the grey menu. Our Cahuil 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 (Cahuil) 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 Cahuil 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.

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