Surf Break

Lat Long: 33.45° S 71.68° W

Isla Negra Surf Forecast and Surf Report

Issued: 8 pm 22 Oct 2026 (local time)

Forecast update in  hr  min

Today's Isla Negra sea temperature is
16.2°C
2.3° 

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


Isla Negra surf forecast from 23 Oct 2026:

  • Best quality surf: Thursday 29 Oct, 9PM (local time) - 4.5ft (1.3m), 18s period, WSW swell with glassy winds.
  • Most powerful swell: Friday 30 Oct, 12AM (local time) - 6ft (1.9m), 18s period, WSW swell with 2,168 kJ wave energy.
  • Next surfable swell (1★+): Friday 23 Oct, 6AM (local time) - 1.5ft (0.5m), 16s period with NW swell.

Best Forecast Surf Conditions for Isla Negra this week:

The surf forecast for Isla Negra over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Oct 23) at 6AM. The primary swell is predicted to be 0.5m and 16s period with a secondary swell of 0.6m and 6s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Isla Negra in the next 16 days are 1.9m 18s and forecast to arrive on Friday (Oct 30) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 7s period and expected on Tuesday (Oct 27) at 9PM.

Wave TypeTime (-04) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Fri 23rd Oct)1.5ft (0.5m) 16s
Best Surf 9PM (Thu 29th Oct)4.5ft (1.3m) 18s
Most Powerful12AM (Fri 30th Oct)6ft (1.9m) 18s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Thu night. Very mild (max 19°C on Sun morning, min 12°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 17°C on Tue afternoon, min 12°C on Mon night). Wind will be generally light.

Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
0
1
1
0
1
1
0
1
1
0
1
1
0
2
2
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
WNW
16
0.4
NW
16
0.4
NW
16
0.4
NW
15
0.5
NW
14
0.5
NW
14
0.9
WSW
5
0.4
NW
14
0.4
NW
13
0.4
NW
13
0.4
WSW
13
0.6
WSW
12
0.7
WSW
11
0.6
WSW
10
0.6
WSW
14
0.9
WSW
13
1.1
WSW
13
1
WSW
12
0.3
NW
14
Wave Graph
Metric surfscale
Energy kJ
97
64
62
75
103
102
51
47
46
44
67
103
111
74
140
304
427
299
32
Wind (km/h)
10
W
10
SSE
20
WSW
10
S
10
SSE
20
SSW
15
S
15
SSE
20
SW
10
SSW
15
SSW
20
WSW
15
S
10
SSE
20
SW
10
S
5
SSW
10
W
5
N
Wind State
cross-on
off
cross-off
off
off
cross-off
off
off
cross-off
cross-off
cross-off
cross
off
off
cross-off
cross-off
glassy
cross-on
glassy
High Tide
9:11PM1.03m
9:05AM1.16m
9:39PM1.15m
9:43AM1.18m
10:10PM1.28m
10:22AM1.17m
10:43PM1.39m
11:02AM1.14m
11:19PM1.47m
11:44AM1.09m
11:59PM1.52m
12:29PM1.01m
00:44AM1.52m
Low Tide
3:01AM0.31m
3:26PM0.14m
3:42AM0.22m
3:53PM0.11m
4:23AM0.13m
4:23PM0.09m
5:05AM0.07m
4:55PM0.09m
5:49AM0.03m
5:29PM0.11m
6:37AM0.03m
6:07PM0.14m
rain showers
part cloud
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
6:56
—
—
6:54
—
—
6:54
—
—
6:52
—
—
6:52
—
—
6:50
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:05
—
8:05
—
—
8:06
—
—
8:07
—
—
8:07
—
—
8:08
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—
8:09
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 mm
3
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
15
15
15
14
14
16
14
19
18
15
15
16
14
16
17
15
17
17
15
Feels °C
14
12
11
11
11
12
11
16
15
13
14
14
11
13
14
12
16
16
15
  • 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 Isla Negra Surf forecast

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

Isla Negra is 19 km (12 miles) from the city of San Antonio. If you plan a holiday in Santiago, look for hotels and other accommodation in San Antonio. San Antonio has rooms for a wide range of budgets as well as car hire and transport links.

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