Junquillal Surf Forecast

/ Guanacaste (28 surf breaks) /

Costa Rica (96 surf breaks) / Lat Long: (10.17° N 85.81° W)

Surf Forecasts:

Junquillal surfForecast / Guanacaste / Costa Rica

12 Day Weather and Surf, issued 11 am Tuesday 16 Sep 2025 CST

Forecast update in hr min s Forecast update imminent

Junquillal surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Junquillal sea temperature is 29.1° C
(Which is 1.0°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Junquillal this week:

The surf forecast for Junquillal over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 17) at 9AM. The primary swell is predicted to be 1.4m and 15s period with a secondary swell of 0.8m and 16s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Junquillal in the next 12 days are 1.4m 15s and forecast to arrive on Tuesday (Sep 16) at 6PM. Winds are predicted to be onshore at the time the swell arrives.

Wave Type	Time (CST) & Date	Wave Height & Period
Next good surf (1 star+)	9AM (Wed 17th Sep)	4.5ft (1.4m) 15s
Best Surf	9AM (Wed 17th Sep)	4.5ft (1.4m) 15s
Most Powerful	6PM (Tue 16th Sep)	4.5ft (1.4m) 15s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

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	Short Range Forecast Heavy rain (total 44mm), heaviest during Tue afternoon. Warm (max 29°C on Tue morning, min 24°C on Wed night). Wind will be generally light.									Days 3-6 Weather Summary Heavy rain (total 30mm), heaviest during Fri afternoon. Warm (max 28°C on Fri morning, min 25°C on Fri night). Wind will be generally light.
	Tuesday 16			Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22
	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night
Rating (10 max)	4	4	3	4	3	1	1	2	2	1	0	1	1	1	2	2	2	2	2	2	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	SSW	SW	SSW	SW	SW	SSW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	W	SW	SW	SW	SW
Period(s) (?)	16	15	15	15	15	14	14	14	14	13	13	12	13	13	15	15	10	13	13	13	18
Wave Graph (?)
kJ (?)	1390	1118	807	849	733	672	395	384	357	245	199	159	164	130	191	134	118	144	142	109	300
Wind (km/h)	E	NNW	ESE	SE	S	SSE	SSE	SSE	SE	SSE	S	ESE	SSW	SW	SW	W	W	N	W	W	ESE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	glass	glass	on	glass	cross- on	on	on	cross- on	glass	on	cross- on	on	cross	cross	glass	cross- off	cross- off	glass	glass	cross- off	cross- on
High Tide / height (m)	9:28AM 2.13		10:17PM 1.92	10:45AM 2.07		11:33PM 1.97	11:56AM 2.10		12:36AM 2.08		12:55PM 2.16	1:27AM 2.21		1:44PM 2.22	2:10AM 2.32		2:27PM 2.28	2:47AM 2.41		3:06PM 2.31
Low Tide / height (m)		4:01PM 0.54		4:25AM 0.67	5:14PM 0.55		5:41AM 0.64		6:18PM 0.49	6:44AM 0.56		7:11PM 0.42	7:36AM 0.46		7:55PM 0.36	8:21AM 0.37		8:35PM 0.31	9:00AM 0.29		9:11PM 0.29

	Tuesday 16			Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22
Sunrise	5:31	-	-	5:31	-	-	5:31	-	-	5:31	-	-	5:31	-	-	5:31	-	-	5:31	-	-
Sunset	-	5:43	-	-	5:42	-	-	5:42	-	-	5:40	-	-	5:39	-	-	5:39	-	-	5:38	-

Rain (mm)	1	11	6	3	7	3	5	5	3	2	7	-	4	2	6	1	1	7	1	3	13
Temp. °C	29	28	26	28	28	25	26	25	25	28	27	26	27	27	26	27	27	25	27	27	26
Feels °C (?)	34	33	30	32	32	28	28	28	28	30	29	29	31	30	30	31	29	29	32	29	30

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Guanacaste

Wind Update Continuing clean conditions at Junquillal (light winds from the WSW at Liberia/Tomas Guardia Airport 56 km from Junquillal). 1.2m 15s groundswell from the SSW with a 0.7m 7s swell from the WSW and a 0.5m 7s swell from the S. 3 swells combining to make bigger set waves.
2 hours 17 minutes ago Junquillal

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Junquillal surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

Information about the Junquillal Surf forecast

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

Junquillal is 40 km (25 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.