El Martillo surfForecast / South / Uruguay

information circle12 Day Weather and Surf, issued 8 am Monday 29 Dec 2025 -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
23.9° C
(Which is 2.9°C warmer than normal for this time of year)


Best Forecast Surf Conditions for El Martillo this week:

The surf forecast for El Martillo over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Dec 30) at 6PM. The primary swell is predicted to be 1.0m and 13s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at El Martillo in the next 12 days are 3.0m 13s and forecast to arrive on Saturday (Jan 03) at 3AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Sunday (Jan 04) at 12PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Tue 30th Dec)3.5ft (1.0m) 13s
Best Surf 6PM (Tue 30th Dec)3.5ft (1.0m) 13s
Most Powerful 3AM (Sat 3rd Jan)10ft (3.0m) 13s

Table - best surf conditions forecast for El Martillo over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 33°C on Tue afternoon, min 20°C on Mon night). Mainly fresh winds.

Days 3-6 Weather Summary Some drizzle, heaviest during Sat afternoon. Warm (max 21°C on Thu morning, min 17°C on Fri afternoon). Winds decreasing (strong winds from the SW on Sat morning, light winds from the W by Sat night).

Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunday
04
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
2
2
0
0
0
0
0
0
1
0
0
1
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.3
S
0.2
S
0.6
S
1.3
SSE
1.1
SSE
0.8
SSE
0.7
S
0.6
S
0.8
SSE
1.5
SSE
1.3
SSE
1.3
SSE
1.8
SSE
2.1
S
3
S
2.2
S
1.7
S
1.3
SSE
1
S
1.3
SSW
1.4
S
Period(s) (?)814141614131211106610671012121110610
Wave
Graph
(?)Metric surfscale
Energy kJ (?)10141347635072121308314716013336722444816511486800400196106392
Wind
(km/h)
20
W
20
SSE
30
NNE
35
NW
20
SW
30
NNW
30
WNW
25
SSW
30
SSE
30
SE
25
SE
15
NE
35
S
40
S
30
S
45
SW
30
SSW
10
SSE
30
W
25
SW
15
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
on
crossoffcross-
off
cross-
off
offcrosscross-
on
cross-
on
oncrosscross-
on
crosscrosscross-
off
crosscross-
on
offcross-
off
cross-
on
High Tide
/ height (m)
3:06PM
0.22
8:15PM 2:58AM
0.20 0.35
4:16PM
0.22
10:00PM
0.19
4:01AM
0.39
5:17PM
0.21
5:03AM
0.42
6:09PM
0.21
6:02AM
0.44
6:58PM
0.21
6:59AM
0.45
7:45PM 1:42AM
0.22 0.15
7:54AM
0.44
8:32PM 2:06AM
0.24 0.15
Low Tide
/ height (m)
10:29AM
0.05
6:02PM 10:19PM
0.19 0.19
11:28AM
0.02
7:13PM 10:42PM
0.18 0.19
12:30PM
-0.00
8:20PM
0.16
1:33PM
-0.01
9:19PM
0.14
2:34PM
-0.02
10:14PM
0.13
3:31PM
-0.01
11:06PM 2:58AM
0.12 0.15
4:25PM
0.01
11:59PM
0.13
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunday
04
Sunrise5:26--5:26--5:28--5:28--5:30--5:30--5:31--
Sunset-7:55--7:55--7:55--7:55--7:57--7:57--7:57-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
rain showers
clear
clear
clear
clear
Rain (mm)
----------------1----
Temp. °C232324313331303027212121191718191817202219
Feels °C (?)2120202830282528271717181391291214161814
  • 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 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 12 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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