Backwash Surf Forecast

/ Golfo Dulce (13 surf breaks) /

Costa Rica (96 surf breaks) / Lat Long: (8.41° N 83.28° W)

Surf Forecasts:

Backwash surfForecast / Golfo Dulce / Costa Rica

48hr Weather and Surf, issued 5 am Wednesday 20 Aug 2025 CST

Forecast update in hr min s Forecast update imminent

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

Today's Backwash sea temperature is 29.3° C
(Which is 1.1°C warmer than normal for this time of year)

How big are the waves at Backwash today?

The current surf forecast for Backwash at 11AM is: 0.6m 15s primary swell from a Southwest direction and 0.8m 11s secondary swell from a South-southwest direction (forecast issued at 05:00am August 20). The wind direction is predicted to be cross-shore.

Time (CST) & Date	Wave Height	Wave Period
Morning (20 Aug)	2ft (0.6m)	15s
Afternoon (20 Aug)	2ft (0.6m)	15s
Evening (20 Aug)	2.5ft (0.7m)	15s

Table - waves today at Backwash. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Wednesday 20							Thursday 21								Friday 22								Sat 23
	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM
Rating (10 max)	2	2	2	2	2	2	2	2	2	2	2	1	2	2	2	2	3	3	3	2	2	4	4	2
Swell Height Map See all maps
Wave Height (m) & direction (?)	SW	SW	SW	SW	SW	SW	SW	SW	SSW	SW	SSW	SSW	SSW	SSW	SSW	SW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW
Period(s) (?)	16	16	15	15	15	15	15	15	9	14	14	15	15	16	16	18	14	14	14	14	11	13	13	13
Wave Graph (?)
Energy (?)	438	422	347	334	324	446	432	452	459	447	497	532	615	591	643	587	764	880	852	643	1111	1357	1403	750
Wind (km/h)	NNW	NW	W	WSW	W	NW	NW	NW	N	NNE	SE	SW	SW	W	W	NW	WNW	WNW	W	WSW	WSW	W	ENE	WNW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	off	cross- off	cross- off	cross- off	off	off	glass	glass	glass	glass	cross	cross- off	cross- off	cross- off	off	off	off	glass	cross- off	cross- off	cross- off	glass	cross- off
High Tide / height (m)					12:12PM 2.62				12:58AM 2.54				1:13PM 2.72				1:52AM 2.70				2:05PM 2.82
Low Tide / height (m)		5:56AM 0.79					6:39PM 0.51				7:01AM 0.68				7:34PM 0.39				7:56AM 0.55				8:21PM 0.29

	Wednesday 20							Thursday 21								Friday 22								Sat 23
Sunrise	-	5:24	-	-	-	-	-	-	-	5:24	-	-	-	-	-	-	-	5:24	-	-	-	-	-	-
Sunset	-	-	-	-	5:46	-	-	-	-	-	-	-	5:45	-	-	-	-	-	-	-	5:45	-	-	-

Rain (mm)	-	-	2	1	4	2	-	-	-	-	1	1	2	3	-	2	3	1	1	2	4	6	18	43
Temp. °C	26	26	28	28	28	26	26	26	25	25	27	28	28	27	26	25	25	25	27	28	27	26	24	23
Feels °C (?)	30	31	33	31	31	30	30	31	29	29	32	31	30	31	29	29	28	29	31	31	29	30	29	25

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 Golfo Dulce

Wind Update Continuing clean conditions at Backwash (calm at Barriada Volcán wx 81 km from Backwash). 0.7m 11s groundswell from the SSW with a 0.5m 15s groundswell from the SW and a 0.3m 11s groundswell from the WSW. 3 swells combining to make bigger set waves.
1 hour 0 minutes ago Backwash

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