Dewata Surf Forecast

/ West (43 surf breaks) /

Sri Lanka (53 surf breaks)

Surf Forecasts

Dewata surfForecast / West / Sri Lanka

48hr Weather and Surf, issued 4 pm Monday 18 Aug 2025 +0530

Forecast update in hr min s Forecast update imminent

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

Today's Dewata sea temperature is 27.7° C
(Which is normal for this time of year)

How big are the waves at Dewata today?

The current surf forecast for Dewata at 7PM is: 0.9m 10s primary swell from a South direction and 0.5m 15s secondary swell from a South-southwest direction (forecast issued at 04:30pm August 18). An open ocean swell of 1.2m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (+0530) & Date	Wave Height	Wave Period
Morning (18 Aug)	-	-
Afternoon (18 Aug)	3ft (0.9m)	10s
Evening (18 Aug)	3ft (0.9m)	10s

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

Hourly 12 Days

West Sri Lanka Surf

Print Surf Table

Updates in hr min s Forecast update imminent

	Monday 18				Tuesday 19								Wednesday 20								Thursday 21
	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	S	S	S	S	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW
Period(s) (?)	10	10	10	10	14	14	14	14	14	14	13	14	14	15	15	18	18	17	17	16	16	16	16	16
Wave Graph (?)
Energy (?)	259	248	422	254	214	209	205	234	197	190	159	177	207	347	398	481	585	603	635	753	744	718	809	928
Wind (km/h)	W	W	W	WNW	W	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	W	W
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross	cross	cross	cross	cross	cross	cross- on	cross- on	cross	cross	cross	cross- on	cross- on	cross- on	cross- on
High Tide / height (m)				10:54PM 0.22					12:09PM 0.37				12:56AM 0.28				1:06PM 0.41				1:40AM 0.35
Low Tide / height (m)			7:50PM 0.21			3:50AM 0.17					7:22PM 0.15				6:19AM 0.14				7:39PM 0.09				7:17AM 0.10

	Monday 18				Tuesday 19								Wednesday 20								Thursday 21
Sunrise	-	-	-	-	-	-	6:03	-	-	-	-	-	-	-	6:03	-	-	-	-	-	-	-	6:03	-
Sunset	-	6:22	-	-	-	-	-	-	-	6:21	-	-	-	-	-	-	-	6:21	-	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	28	27	27	26	26	26	27	27	28	27	26	26	26	26	27	27	27	27	26	26	26	26	27	28
Feels °C (?)	29	29	30	28	27	28	28	27	29	28	28	28	28	27	28	27	27	29	28	28	27	27	28	29

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 West

Wind Update The wind is still cross-on at Dewata (light winds from the WSW at Galle 2 km from Dewata). 1.0m 10s swell from the SSE with a 0.7m 11s groundswell from the S and a 0.5m 14s groundswell from the SW. 3 swells combining so expect closeout sets.
1 hour 32 minutes ago Dewata

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1 h 32 min ago

11 km/h

WSW

Cross-On

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