Laguna (Os Molhes) surfForecast / Santa Catarina – Sul / Brazil

information circle12 Day Weather and Surf, issued 2 pm Saturday 09 Aug 2025 -03
Forecast update in hr  min  s Forecast update imminent
Laguna (Os Molhes) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Laguna (Os Molhes) sea temperature is
16.9° C
(Which is 1.5°C colder than average for this time of year)


Best Forecast Surf Conditions for Laguna (Os Molhes) this week:

The surf forecast for Laguna (Os Molhes) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 10) at 12AM. The primary swell is predicted to be 0.3m and 15s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Laguna (Os Molhes) in the next 12 days are 2.3m 17s and forecast to arrive on Saturday (Aug 16) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 9s period and expected on Saturday (Aug 09) at 9PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+)12AM (Sun 10th Aug)1ft (0.3m) 15s
Best Surf 9AM (Sun 10th Aug)6ft (1.9m) 8s
Most Powerful 6AM (Sat 16th Aug)7.5ft (2.3m) 17s

Table - best surf conditions forecast for Laguna (Os Molhes) over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 14°C on Sat afternoon, min 11°C on Sat night). Winds decreasing (fresh winds from the SW on Sat afternoon, calm by Tue morning).

Days 3-6 Weather Summary Some drizzle, heaviest during Thu morning. Very mild (max 15°C on Tue afternoon, min 11°C on Thu night). Winds decreasing (fresh winds from the SW on Thu morning, calm by Fri morning).

Sat
09
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.3
SSE
0.3
SSE
1.9
SSE
1.8
SSE
1.2
SE
1.3
SE
1.3
SE
1.3
SE
1.1
SE
1.1
SE
0.8
SE
0.8
SE
0.8
SE
0.7
SE
0.6
SE
0.5
SE
0.4
SE
1.6
SSE
0.7
ESE
1.3
SSE
2.2
SSE
Period(s) (?)15158891010109999999881081917
Wave
Graph
(?)Metric surfscale
Energy (?)70445664713133412993072241791251071401147561264968215042527
Wind
(km/h)
35
SW
25
WSW
20
WSW
25
SSW
15
WSW
15
WSW
15
SSW
5
WSW
5
NNW
20
NE
10
N
5
W
10
SSE
15
WSW
30
SW
30
SSW
20
WSW
10
W
0
S
10
NE
10
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffcross-
off
offcross-
off
cross-
off
glassoncross-
on
glasscross-
off
cross-
off
offoffcross-
off
cross-
off
glassoncross-
on
High Tide
/ height (m)
4:39PM
0.53
4:22AM
0.53
5:08PM
0.53
4:55AM
0.54
5:37PM
0.52
5:27AM
0.53
6:08PM
0.49
6:03AM
0.51
6:44PM
0.46
6:53AM
0.48
7:27PM 1:11AM
0.42 0.27
7:58AM
0.44
8:11PM 1:19AM
0.39 0.27
8:58AM
0.41
Low Tide
/ height (m)
8:26PM
0.22
8:34AM
0.10
8:52PM
0.23
9:04AM
0.12
9:17PM
0.25
9:37AM
0.16
9:40PM
0.27
10:28AM
0.21
9:51PM
0.27
11:36AM
0.25
9:33PM 11:34PM
0.27 0.27
12:32PM
0.30
9:47PM 12:21AM
0.27 0.27
9:28AM
0.35
Sat
09
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Sunrise--6:50--6:50--6:48--6:48--6:48--6:47--6:46
Sunset5:49--5:49--5:50--5:50--5:51--5:51--5:52--
clearpart cloudpart cloudclearclearclearpart cloudpart cloudclearclearclearclearpart cloudpart cloudlight rainpart cloudpart cloudcloudpart cloudpart cloudpart cloud
Rain (mm)
--------------1------
Temp. °C141314141314141314151515151514131315161617
Feels °C (?)679101010111211121314141486813151313
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Santa Catarina - Sul

  1. weather stationWind Update The wind is still offshore at Laguna (Os Molhes) (fresh winds from the SW at Urussanga wx 55 km from Laguna (Os Molhes)). 0.4m 14s groundswell from the SE to make surfable waves.

    Laguna (Os Molhes)
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Information about the Laguna (Os Molhes) Surf forecast

The above surf forecast table for Laguna (Os Molhes) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Laguna (Os Molhes) can be found by selecting the local surf guide option on the grey menu. Our Laguna (Os Molhes) 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 (Laguna (Os Molhes)) 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 Laguna (Os Molhes) 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 Santa Catarina - Sul? If you are looking for accommodation near Laguna (Os Molhes), camping, hotels and holiday cottages in Santa Catarina - Sul, consider staying in Laguna which is 3 km (2 miles) away. Other places in and around Santa Catarina - Sul where you can find information about places to rent, and car hire include Tubarao which is 25 km (16 miles) away, Imbituba, Braco do Norte and Sao Jose.

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