Damas Rivermouth 48 hour detailed Surf Forecast

Lat Long: 9.49° N 84.33° W

Issued: 5 am 31 Oct 2026 (local time)

Forecast update in hr min

Today's Damas Rivermouth sea temperature is

30.2°C

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

Surf Forecasts:

How big are the waves at Damas Rivermouth today (31 Oct):

Morning surf: Morning surf (31 Oct, local time) - 4ft (1.2m), 18s period with SW swell.
Afternoon surf: Afternoon surf (31 Oct, local time) - 3.5ft (1.1m), 17s period with SW swell.
Evening surf: Evening surf (31 Oct, local time) - 4.5ft (1.3m), 16s period with SW swell.

The current surf forecast for Damas Rivermouth at 1PM is: 1.1m 17s primary swell from a Southwest direction and 0.5m 8s secondary swell from a South direction (forecast issued at 05:00am October 31). The wind direction is predicted to be onshore.

Time (CST) & Date	Wave Height	Wave Period
Morning (31 Oct)	4ft (1.2m)	18s
Afternoon (31 Oct)	3.5ft (1.1m)	17s
Evening (31 Oct)	4.5ft (1.3m)	16s

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

	Short Range Forecast Heavy rain (total 23mm), heaviest during Mon night. Warm (max 29°C on Sat morning, min 25°C on Sat night). Wind will be generally light.
	Saturday 31							Sunday 1								Monday 2
	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM
Rating (10 max)	3	3	3	2	2	3	3	4	4	3	3	2	2	2	3	3	3	3	3	2	2	3	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 18	SW 18	SW 18	SW 18	SW 17	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 15	SW 15	SW 15	SW 15	SW 15	SW 15
Wave Graph
kJ	311	442	881	769	742	844	931	1017	1017	909	897	886	875	875	864	853	763	744	820	648	657	542	535
Wind (km/h)	N	NE	SSE	S	S	SSW	NE	NNE	NNE	NNE	S	SSE	SE	E	ENE	NNE	NNE	NNE	SW	SW	SW	SSE	NNE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	off	cross-off	glassy	on	on	glassy	glassy	off	off	off	glassy	cross-on	cross-on	cross	glassy	glassy	off	cross-off	glassy	cross-on	cross-on	glassy	glassy
High Tide		5:58AM2.68m					6:38PM2.48m				6:56AM2.51m				7:40PM2.40m				8:01AM2.35m				8:49PM2.35m
Low Tide					12:21PM0.21m				00:44AM0.48m				1:19PM0.36m				1:51AM0.61m				2:24PM0.49m


	5:26	—	—	—	—	—	—	—	5:26	—	—	—	—	—	—	—	5:26	—	—	—	—	—	—
	—	—	—	—	5:14	—	—	—	—	—	—	—	5:14	—	—	—	—	—	—	—	5:14	—	—
mm	—	—	—	—	1	5	—	—	—	—	—	—	—	1	—	—	—	—	—	—	—	1	2
Temp °C	26	25	28	29	29	27	26	26	25	25	28	27	28	27	27	26	26	25	28	29	29	28	26
Feels °C	29	27	31	32	33	32	30	30	28	28	31	31	31	31	31	29	29	27	31	31	32	33	30
Swell 1 Height (m) Direction Period (s)	SW 14	SW 18	SW 18	SW 18	SW 17	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	SW 15	SW 15	SW 15	SW 15	SW 15	SW 15
kJ	241	442	881	769	742	844	931	1017	1017	909	897	886	875	875	864	853	763	744	820	648	657	542	535
Swell 2 Height (m) Direction Period (s)	SW 18	SW 14	S 8	S 8	S 8	S 8	S 8	S 8	S 8	S 8	S 8	S 8	S 8	S 8	S 8	S 8	S 8	S 8	S 8	S 8	S 8	S 8	S 8
kJ	311	245	34	33	21	21	32	33	31	31	31	33	31	33	33	33	33	46	45	44	43	42	41
Swell 3 Height (m) Direction Period (s)	S 8	S 8	SSW 12	SSW 12	SSW 12	SSW 12	SSW 11	SW 11	SSW 11	SSW 11	SSW 11	SSW 11	SW 11	SSW 11	—	SSW 16	SSW 16	SSW 16	—	SSW 15	SSW 15	SSW 15	SSW 16
kJ	35	35	14	14	14	29	13	5	12	12	11	11	4	12	—	51	94	94	—	42	42	93	95
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Damas Rivermouth Golfo de Nicoya	Damas Rivermouth Golfo de Nicoya	Damas Rivermouth Golfo de Nicoya	Guiones Guanacaste	Manuel Antonio Golfo de Nicoya	Damas Rivermouth Golfo de Nicoya	Damas Rivermouth Golfo de Nicoya	Damas Rivermouth Golfo de Nicoya	Damas Rivermouth Golfo de Nicoya	Damas Rivermouth Golfo de Nicoya	Damas Rivermouth Golfo de Nicoya	Quepos Golfo de Nicoya	Manuel Antonio Golfo de Nicoya	Quepos Golfo de Nicoya	Damas Rivermouth Golfo de Nicoya	Damas Rivermouth Golfo de Nicoya	Damas Rivermouth Golfo de Nicoya	Damas Rivermouth Golfo de Nicoya	Damas Rivermouth Golfo de Nicoya	Islita Guanacaste	Playa El Rey Golfo de Nicoya	Damas Rivermouth Golfo de Nicoya	Damas Rivermouth Golfo de Nicoya
Rating (10 max)	3	3	3	4	3	3	3	4	4	3	3	3	3	3	3	3	3	3	3	4	3	3	3
Distance (km)	0	0	0	155	20	0	0	0	0	0	0	14	20	14	0	0	0	0	0	124	40	0	0
Best forecast wave conditions in Golfo de Nicoya	Playa Escondida	Playa Escondida	Playa Escondida		Cutters Right	Playa Escondida	Playa Escondida	Playa Coyote	Playa Coyote	Playa Escondida	Playa Escondida	Cutters Right	Perro Fino	Playa Escondida	Playa Escondida	Playa Escondida	Playa Escondida	Playa Escondida	Cutters Right		Dominical	Cutters Right	Playa Escondida
Rating (10 max)	3	3	3		3	3	3	4	4	3	3	3	4	3	3	3	3	3	3		3	3	3
Best forecast wave conditions in Costa Rica	Punta Burica Golfo Dulce	Playa Negra Guanacaste	Punta Burica Golfo Dulce	Playa Negra Guanacaste	Playa Negra Guanacaste	Playa Negra Guanacaste	Playa Negra Guanacaste	Playa Negra Guanacaste	Playa Negra Guanacaste	Playa Negra Guanacaste	Punta Burica Golfo Dulce	Punta Burica Golfo Dulce	Playa Negra Guanacaste	Playa Negra Guanacaste	Playa Negra Guanacaste	Playa Negra Guanacaste	Playa Negra Guanacaste	Playa Negra Guanacaste	Raps Guanacaste	Raps Guanacaste	Camaronal Guanacaste	Cutters Right Golfo de Nicoya	Playa Negra Guanacaste
Rating (10 max)	3	4	3	4	4	4	4	4	4	4	3	3	4	4	4	4	4	4	4	4	4	3	3
Header Global	Ouano Lefts New Caledonia	Weld Road New Zealand	Ahijedero Mexico	Niyodo Rivermouth Japan	Afife Portugal	Niyodo Rivermouth Japan	Niyodo Rivermouth Japan	Afife Portugal	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Chuns and Jocks Reefs United States	Trial Harbour Australia	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States
Rating (10 max)	5	5	4	5	4	5	5	4	4	4	4	5	5	4	4	4	5	5	5	5	5	5	5

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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Damas Rivermouth 48 hour detailed Surf Forecast

How big are the waves at Damas Rivermouth today (31 Oct):

Short Range Forecast

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