Unawatuna Surf Forecast

/ West (43 surf breaks) /

Sri Lanka (53 surf breaks) / Lat Long: (6.01° N 80.24° E)

Surf Forecasts:

Unawatuna surfForecast / West / Sri Lanka

48hr Weather and Surf, issued 4 pm Thursday 18 Sep 2025 +0530

Forecast update in hr min s Forecast update imminent

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

Today's Unawatuna 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 Unawatuna today?

The current surf forecast for Unawatuna at 6PM is: 1.3m 14s primary swell from a South direction and 0.3m 18s secondary swell from a South-southwest direction, 1.2m 6s secondary swell from a West-southwest direction (forecast issued at 04:30pm September 18). The wind direction is predicted to be cross-offshore.

Time (+0530) & Date	Wave Height	Wave Period
Morning (18 Sep)	-	-
Afternoon (18 Sep)	4.5ft (1.3m)	14s
Evening (18 Sep)	4ft (1.2m)	12s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Thursday 18				Friday 19								Saturday 20								Sunday 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)	2	2	1	2	2	2	2	2	3	2	2	2	2	2	2	2	2	2	2	2	2	1	1	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	S	S	S	S	S	S	S	S	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW
Period(s) (?)	14	14	12	12	13	13	13	13	18	18	18	17	17	17	16	16	16	16	16	16	15	15	15	15
Wave Graph (?)
kJ (?)	665	665	453	446	386	398	404	404	1106	454	356	681	665	985	604	590	688	582	575	561	539	439	392	381
Wind (km/h)	W	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	W	WSW	W	W	W	WSW	WSW	WSW	WSW	W	WSW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off
High Tide / height (m)	1:00PM 0.41				1:33AM 0.44				1:29PM 0.46				1:57AM 0.49				1:53PM 0.49				2:19AM 0.54
Low Tide / height (m)			7:14PM 0.10				7:24AM 0.12				7:33PM 0.05				7:51AM 0.08				7:56PM 0.00				8:16AM 0.05

	Thursday 18				Friday 19								Saturday 20								Sunday 21
Sunrise	-	-	-	-	-	-	5:58	-	-	-	-	-	-	-	5:58	-	-	-	-	-	-	-	5:58	-
Sunset	-	6:07	-	-	-	-	-	-	-	6:06	-	-	-	-	-	-	-	6:06	-	-	-	-	-	-

Rain (mm)	4	2	2	4	5	4	3	2	2	2	1	1	2	3	2	2	1	1	2	1	2	2	3	2
Temp. °C	27	27	27	26	26	26	27	27	27	27	26	26	26	26	27	27	28	27	27	26	26	26	27	27
Feels °C (?)	29	29	30	28	28	28	29	28	29	29	28	28	28	28	28	28	29	29	29	28	28	27	28	28

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-off at Unawatuna (moderate winds from the WSW at Mattala Rajapaksa International Airport 103 km from Unawatuna). 1.3m 12s groundswell from the S with a 1.2m 6s windswell from the WSW and a 0.3m 17s long period groundswell from the SSW. 3 swells combining to make bigger set waves.
1 hour 51 minutes ago Unawatuna

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