Damas Rivermouth surfForecast / Golfo de Nicoya / Costa Rica

information circle16 Day Weather and Surf, issued 5 am Monday 23 Mar 2026 CST
Forecast update in hr  min  s Forecast update imminent
Damas Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Damas Rivermouth sea temperature is
30.3° C
(Which is 1.2°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Damas Rivermouth this week:

The surf forecast for Damas Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Mar 23) at 9PM. The primary swell is predicted to be 0.8m and 12s period with a secondary swell of 0.6m and 15s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Damas Rivermouth in the next 16 days are 1.3m 15s and forecast to arrive on Monday (Mar 30) at 3AM. Winds are predicted to be offshore at the time the swell arrives.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Mon 23rd Mar)2.5ft (0.8m) 12s
Best Surf 9PM (Sun 29th Mar)4ft (1.2m) 16s
Most Powerful 3AM (Mon 30th Mar)4.5ft (1.3m) 15s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 3mm), mostly falling on Tue night. Warm (max 30°C on Mon afternoon, min 25°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 30°C on Sat afternoon, min 25°C on Thu night). Wind will be generally light.

Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
2
2
0
2
2
1
1
0
1
1
0
0
1
1
0
2
2
2
3
Swell
Height Map
Wave Height (m) & direction (?)
0.9
S
0.8
S
0.7
SSW
0.6
SSW
0.7
SSW
0.8
SSW
0.7
SSW
0.7
SSW
0.6
S
0.6
S
0.7
S
0.7
S
0.7
S
0.7
S
0.6
S
0.6
S
0.6
S
0.6
S
0.9
S
1.1
S
1.2
S
Period(s) (?)1212151413131212111111101010109918161615
Wave
Graph
(?)Metric surfscale
Energy kJ (?)23218022214518422515215094861141089694686357222406612623
Wind
(km/h)
5
SW
15
S
5
N
5
SW
15
S
5
N
5
WSW
10
S
5
N
5
SSE
10
S
5
N
5
SW
15
S
5
NNE
5
SSW
10
S
5
NNE
5
S
10
S
5
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
onoffglassonglassglassonglassononoffcross-
on
onglassglassonoffononcross-
off
High Tide
/ height (m)
5:52PM
2.82
6:22AM
2.50
6:41PM
2.67
7:16AM
2.36
7:38PM
2.49
8:21AM
2.22
8:46PM
2.33
9:37AM
2.16
10:04PM
2.24
10:57AM
2.19
11:23PM
2.24
12:06PM
2.31
12:29AM
2.32
Low Tide
/ height (m)
11:36AM
0.23
12:12AM
0.17
12:25PM
0.35
1:05AM
0.31
1:21PM
0.52
2:05AM
0.46
2:28PM
0.67
3:17AM
0.58
3:48PM
0.76
4:34AM
0.62
5:09PM
0.74
5:45AM
0.58
6:19PM
0.63
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Sunrise5:39--5:39--5:37--5:37--5:37--5:37--5:35--
Sunset-5:47--5:47--5:46--5:46--5:46--5:46--5:46-
clear
clear
clear
clear
clear
thunderstorm
part cloud
part cloud
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
Rain (mm)
-----3---------------
Temp. °C293027292927292927292927292928293027292927
Feels °C (?)303231313131323130313131313132313331313231
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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 Damas Rivermouth Surf forecast

The above surf forecast table for Damas Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Damas Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Damas Rivermouth 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 (Damas Rivermouth) 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 Damas Rivermouth 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 Golfo de Nicoya? If you are looking for accommodation near Damas Rivermouth, camping, hotels and holiday cottages in Golfo de Nicoya, consider staying in Quepos which is 20 km (12 miles) away. Other places in and around Golfo de Nicoya where you can find information about places to rent, and car hire include Tejar which is 30 km (19 miles) away, San Rafael Abajo, Aserri and San Rafael Arriba.

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