El Martillo surfForecast / South / Uruguay

information circle16 Day Weather and Surf, issued 8 am Friday 20 Mar 2026 -03
Forecast update in hr  min  s Forecast update imminent
El Martillo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's El Martillo sea temperature is
20.7° C
(Which is slightly cooler than normal)

Best Forecast Surf Conditions for El Martillo this week:

The surf forecast for El Martillo over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Mar 25) at 12AM. The primary swell is predicted to be 1.1m and 8s period with a secondary swell of 0.2m and 9s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at El Martillo in the next 16 days are 1.2m 10s and forecast to arrive on Wednesday (Mar 25) at 9AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Tuesday (Mar 24) at 6AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+)12AM (Wed 25th Mar)3.5ft (1.1m) 8s
Best Surf 6AM (Wed 25th Mar)4ft (1.2m) 10s
Most Powerful 9AM (Wed 25th Mar)4ft (1.2m) 10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 9mm), mostly falling on Sat afternoon. Warm (max 24°C on Fri morning, min 19°C on Sat night). Winds decreasing (strong winds from the ENE on Fri afternoon, light winds from the NE by Sat morning).

Days 3-6 Weather Summary Heavy rain (total 53mm), heaviest during Mon morning. Warm (max 20°C on Wed morning, min 16°C on Tue night). Winds decreasing (strong winds from the WSW on Mon night, calm by Tue night).

Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
ESE
1.2
ESE
1.1
ENE
1.2
ENE
1.3
ENE
0.8
E
0.6
E
0.5
E
1.1
ESE
0.9
ESE
0.8
ESE
0.8
ESE
1.6
SW
0.7
ESE
1.1
S
1.2
SSE
1.1
SSE
0.9
SSE
0.8
SSE
0.7
SSE
0.4
SSE
Period(s) (?)10456789945566881010101099
Wave
Graph
(?)Metric surfscale
Energy kJ (?)154557211518180563944393343178591492982451751227832
Wind
(km/h)
15
NE
35
E
30
NE
25
NNE
20
NNE
35
WSW
20
SW
15
SSE
25
E
15
ENE
30
ESE
40
SW
35
WSW
30
WSW
5
SE
10
NNE
20
ESE
20
NE
10
NNE
15
SE
20
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossoncross-
on
crosscrosscross-
off
cross-
off
cross-
on
oncross-
on
oncross-
off
cross-
off
cross-
off
glasscrossoncrosscrossonon
High Tide
/ height (m)
1:47PM
0.21
8:45PM
0.36
9:40AM
0.28
2:52PM
0.21
9:30PM
0.39
10:25AM
0.26
3:51PM
0.20
10:17PM
0.41
11:12AM
0.24
4:46PM
0.20
11:07PM
0.42
12:00PM
0.22
5:38PM
0.19
12:00AM
0.41
12:52PM
0.21
6:27PM 12:56AM
0.19 0.39
1:49PM
0.20
7:12PM 2:00AM
0.18 0.36
Low Tide
/ height (m)
12:25PM 4:37PM
0.20 0.16
5:06AM
0.00
12:55PM 5:18PM
0.19 0.17
5:57AM
-0.01
1:31PM 5:59PM
0.18 0.18
6:50AM
-0.02
2:12PM
0.16
6:43PM
0.18
7:44AM
-0.01
2:56PM
0.15
7:30PM
0.18
8:40AM
0.00
3:44PM
0.15
8:23PM
0.17
9:38AM
0.03
4:38PM
0.15
9:23PM
0.16
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Sunrise6:41--6:43--6:43--6:43--6:45--6:46--6:47--
Sunset-6:51--6:50--6:47--6:46--6:45--6:44--6:43-
clear
clear
part cloud
cloud
rain showers
clear
clear
clear
part cloud
heavy rain
heavy rain
rain showers
part cloud
cloud
clear
clear
clear
clear
clear
part cloud
clear
Rain (mm)
----9----25226---------
Temp. °C242421242322202020181919181919202020212221
Feels °C (?)222017252219171818181617131618201817222121
  • Map Icons:
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  • 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 El Martillo Surf forecast

The above surf forecast table for El Martillo provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at El Martillo can be found by selecting the local surf guide option on the grey menu. Our El Martillo 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 (El Martillo) 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 El Martillo 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 Uruguay - South? If you are looking for accommodation near El Martillo, camping, hotels and holiday cottages in Uruguay - South, consider staying in Maldonado which is 8 km (5 miles) away. Other places in and around Uruguay - South where you can find information about places to rent, and car hire include San Carlos which is 19 km (12 miles) away, Minas, Rocha and La Paloma.

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