Surf Forecast Surf Report
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Diria surfForecast / Guanacaste / Costa Rica

information circle12 Day Weather and Surf, issued 11 pm Monday 20 Jan 2025 CST
Forecast update in hr  min  s Forecast update imminent
Diria surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Diria sea temperature is
27.7° C
(Which is 1.0°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Diria this week:

The surf forecast for Diria over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jan 21) at 3AM. The primary swell is predicted to be 0.4m and 14s period with a secondary swell of 0.4m and 11s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Diria in the next 12 days are 0.9m 16s and forecast to arrive on Monday (Jan 27) at 9PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Saturday (Jan 25) at 9AM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Tue 21st Jan)1.5ft (0.4m) 14s
Best Surf 3PM (Mon 27th Jan)2.5ft (0.8m) 16s
Most Powerful 9PM (Mon 27th Jan)3ft (0.9m) 16s

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

Updates in  hr  min  s Forecast update imminent
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Sat
01
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SW
0.5
SW
0.4
SW
0.5
SW
0.5
SW
0.4
SW
0.4
SW
0.5
WNW
0.7
WNW
0.7
WNW
0.5
WNW
0.4
SSW
0.4
SSW
0.3
SSW
0.4
SSW
0.4
WNW
0.4
SSW
0.4
SSW
0.4
SSW
0.2
WNW
0.8
SSW
0.9
SSW
0.9
SSW
0.9
SSW
0.8
SSW
0.7
SSW
0.2
SSW
0.3
SW
0.4
SW
0.4
SW
0.4
SSW
0.4
SSW
0.4
SW
0.3
SSW
0.3
SSW
0.5
SSW
Period(s) (?)1413131312121212101191111131314122011816151514131316141415111013141312
Wave
Graph
(?)Metric surfscale
Energy (?)7288628575393983921014840373455804612840634638035533123617324295454393744363489
Wind
(km/h)
15
ENE
20
ENE
5
E
15
ENE
30
NE
30
ENE
20
ENE
20
ENE
15
NE
20
ENE
25
NE
30
ENE
20
NE
35
NE
35
ENE
25
NE
30
NE
30
NE
20
NE
25
ENE
15
E
15
ENE
20
ENE
5
E
15
ENE
20
NE
20
ENE
15
ENE
30
NE
30
NE
20
ENE
20
NE
25
NE
20
NE
25
NE
30
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
glassoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
7:32AM
1.94
7:59PM
2.11
8:20AM
1.82
8:46PM
2.03
9:15AM
1.72
9:40PM
1.98
10:18AM
1.66
10:40PM
1.97
11:25AM
1.67
11:41PM
2.01
12:27PM
1.74
12:38AM
2.09
1:21PM
1.86
1:29AM
2.21
2:08PM
2.01
2:15AM
2.32
2:51PM
2.19
3:00AM
2.42
3:33PM
2.35
3:44AM
2.49
4:15PM
2.50
4:27AM
2.51
4:57PM
2.60
Low Tide
/ height (m)
1:34AM
0.62
1:36PM
0.61
2:21AM
0.69
2:20PM
0.72
3:16AM
0.74
3:11PM
0.80
4:17AM
0.76
4:11PM
0.84
5:20AM
0.73
5:15PM
0.83
6:20AM
0.65
6:16PM
0.77
7:11AM
0.54
7:12PM
0.67
7:57AM
0.41
8:02PM
0.55
8:39AM
0.28
8:49PM
0.42
9:19AM
0.17
9:35PM
0.31
10:00AM
0.09
10:21PM
0.23
10:40AM
0.05
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Sat
01
Sunrise-6:05--6:05--6:05--6:05--6:05--6:05--6:05--6:05--6:05--6:05--6:05--6:05-
Sunset--5:43--5:43--5:44--5:44--5:45--5:45--5:45--5:45--5:45--5:45--5:46--5:46
clearpart cloudpart cloudclearclearclearclearpart cloudpart cloudclearclearclearclearclearclearpart cloudclearclearclearclearpart cloudclearclearpart cloudclearpart cloudclearclearpart cloudclearclearclearclearclearclearclear
Rain (mm)
------------------------------------
Temp. °C252929263031262928262929262930262929263130263030263030262929262829252929
Feels °C (?)253031282728252829262726252526242727253030263133282930262827262729252727

Short Range Forecast: Mostly dry. Warm (max 31°C on Wed afternoon, min 23°C on Mon night). Winds increasing (calm on Tue afternoon, fresh winds from the NE by Wed morning).

Days 3-6 Weather Summary Mostly dry. Warm (max 30°C on Sat afternoon, min 24°C on Thu night). Mainly fresh winds.

Days 6-9 Weather Summary Mostly dry. Warm (max 31°C on Mon morning, min 23°C on Mon night). Wind will be generally light.

Long Range Forecast: Mostly dry. Warm (max 29°C on Thu morning, min 23°C on Fri night). Mainly fresh winds.

  • 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 Diria Surf forecast

The above surf forecast table for Diria provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Diria can be found by selecting the local surf guide option on the grey menu. Our Diria 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 (Diria) 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 Diria 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.

Diria is 47 km (29 miles) from Nicoya. If you plan a holiday in Guanacaste, look for hotels and other accommodation in Nicoya. Nicoya has rooms for a wide range of budgets as well as car hire and transport links.

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