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 am Tuesday 16 Sep 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 29.0° C
(Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Dewata today?

The current surf forecast for Dewata at 8AM is: 1.2m 13s primary swell from a South direction and 0.3m 19s secondary swell from a South-southwest direction, 1.3m 6s secondary swell from a West-southwest direction (forecast issued at 04:30am September 16). The wind direction is predicted to be cross-onshore.

Time (+0530) & Date	Wave Height	Wave Period
Morning (16 Sep)	4ft (1.2m)	13s
Afternoon (16 Sep)	3.5ft (1.1m)	12s
Evening (16 Sep)	2.5ft (0.8m)	17s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Tuesday 16								Wednesday 17								Thursday 18
	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	2 PM	5 PM	8 PM	11 PM
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
Swell Height Map See all maps
Wave Height (m) & direction (?)	SSW	SSW	S	S	S	S	S	S	S	S	SSW	SSW	S	S	SSW	S	S	S	S	S	S	S	S	S
Period(s) (?)	13	13	13	13	12	12	17	16	16	16	16	15	15	15	15	14	14	14	14	14	14	14	12	12
Wave Graph (?)
Energy (?)	595	661	734	866	887	786	978	889	926	896	1044	998	987	919	877	1126	823	674	668	844	907	840	804	842
Wind (km/h)	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	WSW	WSW	WSW	WSW	WSW	WSW
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- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	on	cross- on	cross- on	cross- on	on
High Tide / height (m)				9:50AM 0.32					12:35AM 0.28				12:18PM 0.36				1:06AM 0.36				1:00PM 0.41
Low Tide / height (m)	12:16AM 0.20						7:16PM 0.22				5:59AM 0.23				7:00PM 0.16				6:54AM 0.18				7:14PM 0.10

	Tuesday 16								Wednesday 17								Thursday 18
Sunrise	-	-	5:58	-	-	-	-	-	-	-	5:58	-	-	-	-	-	-	-	5:58	-	-	-	-	-
Sunset	-	-	-	-	-	6:07	-	-	-	-	-	-	-	6:07	-	-	-	-	-	-	-	6:07	-	-

Rain (mm)	2	4	6	6	6	3	2	1	3	3	3	3	4	2	2	3	4	3	4	4	3	3	1	3
Temp. °C	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	26
Feels °C (?)	29	28	28	28	28	28	29	29	29	29	29	28	28	29	29	29	29	29	29	29	29	29	29	27

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 12s groundswell from the SSW with a 0.7m 9s swell from the SSE and a 0.2m 19s long period groundswell from the S. 3 swells combining to make bigger set waves.
3 hours 2 minutes ago Dewata

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3 h 2 min ago

11 km/h

WSW

Cross-On

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