Sumatra Surf

Detailed Sumatra surf forecast maps and the latest eyeball surf report from local surfers in the region. Near-shore swell is shown on the map together with the surf forecast rating for spots in Sumatra. Find the best places to surf in offshore conditions by selecting the wind option on the forecast map. Windsurfers and kite surfers can also use this option to find more favorable cross-shore conditions in Sumatra. Our local Wavefinder indicates where some of the best conditions are likely to be found in Sumatra over the next 7 days. Surf photos from Sumatra and reviews of the best spots and surfing conditions have been provided by local surfers.

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Wave Energy Map

Wave Height Map

Wind Map

Please enable JavaScript to access the following map views:All map types that you can enable here: Sumatra Colour Base Map, Wave Height, Wave Energy, Sumatra Swell 1 Energy, Swell 2 Energy, Windwave Energy, Sumatra Precipitation, Wind, Temperature, Sumatra Cloud Cover.Map overlays available for display: Sumatra Pressure, Wind.Symbols shown on the map: Sumatra Surf Breaks, Tide Forecasts, Cities, Sumatra Ski Resorts, Live Wave Buoys, Live Webcams, Sumatra Wind Now, Temperature Now, Weather Now, Sumatra Swell at breaks, Rating at breaks.

Sumatra Wavefinder

7 day 48 hour

	Thursday 17			Friday 18			Saturday 19			Sunday 20			Monday 21			Tuesday 22			Wednesday 23			Thu
	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM
Best forecast wave conditions in Sumatra	Bankvaults Mentawi Islands	Bankvaults Mentawi Islands	Bankvaults Mentawi Islands	Bawa Nias	Kandui Left Mentawi Islands	Macaronis Mentawi Islands	Bankvaults Mentawi Islands	Bankvaults Mentawi Islands	Bankvaults Mentawi Islands	Bankvaults Mentawi Islands	Bankvaults Mentawi Islands	E-Bay Mentawi Islands	Bankvaults Mentawi Islands	Bankvaults Mentawi Islands	Bankvaults Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Asu Nias	Bawa Nias	Bankvaults Mentawi Islands	Kandui Left Mentawi Islands
Rating	2	2	3	3	2	4	3	3	3	3	3	2	2	2	2	4	4	4	4	4	4	4
Wave Height (m) & direction (?)	0.9 SSW	0.8 SSW	1.1 SSW	1.2 SSW	0.9 SSW	1.3 SSW	1.3 SSW	1.4 SSW	1.3 SSW	1.3 SSW	1.3 SSW	1.0 S	1.1 S	1.1 S	1.0 S	1.4 SW	1.7 SSW	1.8 SW	1.9 SW	1.8 SW	1.8 SW	1.6 SW
Period(s) (?)	13	16	15	15	14	17	16	15	14	14	13	13	13	13	12	19	19	18	17	16	16	16
Energy(?)	303	330	581	619	367	1044	783	845	615	655	627	336	414	421	290	1519	2098	1952	2007	1693	1591	1208
Wind (km/h)
Wind State(?)	cross- off	cross- off	cross- off	off	cross- off	cross- off	off	off	off	off	off	cross- off	off	cross- off	cross- off	glass	glass	glass	cross- off	off	cross- off	off
High Tide / height (m)			8:33PM	8:52AM		8:55PM	9:24AM		9:05PM	10:08AM		10:12PM	11:17AM	8:29PM	1:07AM	1:00PM		2:50AM		11:27PM		1:17PM
Low Tide / height (m)		2:32PM	2:21AM		3:29PM	2:52AM		4:17PM 2:53PM	2:41AM		5:15PM	3:24AM		6:46PM		5:41AM		7:55PM			6:58AM	6:18PM
Weather Advanced Surf Forecast

Summary	risk thund- der	risk thund- der	risk thund- der	clear	risk thund- der	risk thund- der	risk thund- der	risk thund- der	risk thund- der	risk thund- der	risk thund- der	risk thund- der	some clouds	some clouds	risk thund- der	light rain	cloudy	mod. rain	light rain	cloudy	some clouds	cloudy
Rain (mm)	8	2	1	-	3	6	3	4	10	1	4	8	-	-	5	1	-	6	1	-	-	-
High °C	27	26	26	28	28	27	30	29	27	30	29	27	29	30	28	28	28	28	25	27	27	28
Low °C	27	26	26	28	28	26	28	28	27	28	28	27	27	28	27	28	28	26	24	27	26	28
Chill °C (?)	27	26	26	28	28	27	30	29	27	30	29	27	29	30	28	28	28	28	25	27	27	28
Sunrise	6:20	-	-	6:26	-	-	6:20	-	-	6:20	-	-	6:20	-	-	6:18	-	-	6:24	-	-	6:18
Sunset	-	6:23	-	-	6:23	-	-	6:23	-	-	6:22	-	-	6:22	-	-	6:22	-	-	6:32	-	-
Swell1 (m) & direction	0.9 SSW	0.9 SSW	1.1 SSW	1.2 SSW	0.9 SSW	1.3 SSW	1.3 SSW	1.4 SSW	1.3 SSW	1.3 SSW	1.3 SSW	1.0 S	1.1 S	1.1 S	1.0 S	1.4 SW	1.7 SSW	1.8 SW	1.9 SW	1.8 SW	1.8 SW	1.6 SW
Period (s)	13	13	15	15	14	17	16	15	14	14	13	13	13	13	12	19	19	18	17	16	16	16
Swell2 (m) & direction	0.7 SSW	0.8 SSW	0.5 S	0.3 WNW	0.8 S	0.8 S	0.8 S	0.7 S	0.7 S	0.6 W	0.7 W	0.3 SSW	0.5 SW	0.7 W	0.7 SW	0.9 S	0.5 S	0.6 S	0.7 SSW	0.6 S	0.5 S	0.5 S
Period (s)	16	16	8	6	9	9	8	8	9	5	6	17	18	6	16	12	10	10	10	9	9	9
Wind waves (m) & direction	0.5 W	0.8 W	0.8 W	0.4 WNW	0.4 NNW	0.4 NNW	0.7 N	0.8 WNW	0.8 WNW	0.6 N	0.6 N	0.5 NNW	0.9 WNW	-	0.6 W	-	-	-	-	-	-	-
Period (s)	6	4	5	6	3	4	4	5	5	4	5	4	6	-	6	-	-	-	-	-	-	-

	Thursday 17					Friday 18								Saturday 19
	10AM	1PM	4PM	7PM	10PM	1AM	4AM	7AM	10AM	1PM	4PM	7PM	10PM	1AM	4AM	7AM	10AM	1PM
Best forecast wave conditions in Sumatra	Bankvaults Mentawi Islands	Bawa Nias	Bankvaults Mentawi Islands	Bankvaults Mentawi Islands	Lances Right Mentawi Islands	Bankvaults Mentawi Islands	Bankvaults Mentawi Islands	Kandui Left Mentawi Islands	Bawa Nias	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Bawa Nias	Lances Left Mentawi Islands	Macaronis Mentawi Islands	Bankvaults Mentawi Islands	Bankvaults Mentawi Islands	Bankvaults Mentawi Islands	Kandui Left Mentawi Islands
Rating	2	2	2	2	3	3	3	3	3	2	2	3	3	4	3	3	3	3
Wave Height (m) & direction (?)	0.9 SSW	0.9 SSW	0.8 SSW	0.9 SSW	1.2 SSW	1.1 SSW	1.2 SSW	1.2 SSW	1.2 SSW	0.9 SSW	0.9 SSW	1.1 SSW	0.9 SSW	1.3 SSW	1.1 S	1.4 SSW	1.3 SSW	1.4 SSW
Period(s) (?)	13	13	16	13	16	15	15	15	15	15	14	15	18	17	17	16	16	15
Energy(?)	303	307	330	303	715	581	627	619	619	372	367	522	510	1044	734	940	783	890
Wind (km/h)
Wind State(?)	cross- off	cross- off	cross- off	cross- off	off	cross- off	off	cross- off	off	cross- off	cross- off	cross- off	off	cross- off	off	off	off	cross- off
Tide State(?)	mid-ebb	mid-ebb	low	mid-flow	high	mid-ebb	low	mid-flow	high	mid-ebb	low	mid-flow	high	mid-ebb	low	mid-flow	high	mid-ebb
High Tide / height (m)					8:31PM 0.60				8:36AM 0.69				9:00PM 0.55				9:24AM 0.99
Low Tide / height (m)			2:52PM 0.13				2:21AM 0.13				3:32PM 0.19				2:52AM 0.19
Weather Advanced Surf Forecast

Summary	risk thund- der	some clouds	risk thund- der	cloudy	risk thund- der	cloudy	risk thund- der	risk thund- der	clear	some clouds	risk thund- der	clear	risk thund- der	risk thund- der	risk thund- der	risk thund- der	risk thund- der	risk thund- der
Rain (mm)	4	-	2	-	2	-	1	1	-	-	2	-	3	3	6	4	2	1
Temp. °C	27	28	26	26	27	26	26	26	28	29	28	28	28	26	26	27	28	29
Chill °C (?)	27	28	26	26	27	26	26	26	28	29	28	28	28	26	26	27	28	29
Sunrise	-	-	-	-	-	-	-	6:20	-	-	-	-	-	-	-	6:20	-	-
Sunset	-	-	6:23	-	-	-	-	-	-	-	6:23	-	-	-	-	-	-	-
Swell1 (m) & direction	0.9 SSW	0.9 SSW	0.9 SSW	0.9 SSW	1.2 SSW	1.1 SSW	1.2 SSW	1.2 SSW	1.2 SSW	0.9 SSW	0.9 SSW	1.1 SSW	0.9 SSW	1.3 SSW	1.1 S	1.4 SSW	1.3 SSW	1.4 SSW
Period (s)	13	13	13	13	16	15	15	15	15	15	14	15	18	17	17	16	16	15
Swell2 (m) & direction	0.7 SSW	0.7 SSW	0.8 SSW	0.7 SW	0.1 W	0.5 S	0.8 W	0.7 W	0.3 WNW	0.8 S	0.8 S	0.5 S	0.9 SSW	0.8 S	0.9 S	0.8 S	0.8 S	0.7 S
Period (s)	16	16	16	16	14	8	5	5	6	9	9	19	14	9	9	9	8	8
Wind waves (m) & direction	0.5 W	0.4 W	0.8 W	0.9 W	1.0 WNW	0.8 W	0.8 WNW	0.4 NNW	0.4 WNW	0.3 NNW	0.4 NNW	0.5 W	0.7 WNW	0.4 NNW	0.9 NW	0.9 NW	0.7 N	0.8 N
Period (s)	6	6	4	5	5	5	6	3	6	3	3	6	4	4	4	4	4	5

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