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

Long range 3-hourly Hourly

	Tuesday 16			Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tue
	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	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Asu Nias	Green Bush Mentawi Islands	Green Bush Mentawi Islands	Gilligans Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Asu Nias	Kandui Left Mentawi Islands	Hiliduha Nias	Bankvaults Mentawi Islands	Kandui Left Mentawi Islands	Bawa Nias	Bankvaults Mentawi Islands	Kandui Left Mentawi Islands	Bawa Nias
Rating	4	4	4	4	4	4	4	4	3	4	4	4	4	4	4	4	4	4	4	4	4	4
Wave Height (m) & direction (?)	1.2 SW	1.2 SSW	1.8 SSW	1.8 SSW	1.8 SSW	1.8 SSW	1.7 SSW	1.7 S	1.5 S	1.4 S	1.3 S	1.6 SSW	1.8 SSW	1.4 SW	1.4 SW	1.5 SW	1.5 SSW	1.7 SSW	1.5 SSW	1.0 SW	1.4 SW	1.6 SW
Period(s) (?)	14	16	15	15	15	14	13	13	13	13	13	17	17	17	16	16	15	14	14	23	21	19
Energy(?)	873	1069	1657	1510	1420	1344	1074	1031	986	983	1076	1426	1936	1316	1696	1260	1093	1210	1126	1543	2053	2299
Wind (km/h)
Wind State(?)	glass	cross- off	off	glass	cross- on	cross- off	cross- off	cross- on	glass	glass	glass	glass	glass	on	on	glass	cross- on	cross- on	glass	cross- on	cross- on	off
High Tide / height (m)		1:49PM 0.27	2:05AM 0.82		3:30PM 0.61	3:42AM 1.00		4:31PM 0.72		4:38AM 1.05	5:15PM 0.85		5:22AM 1.09	5:51PM 0.96		5:41AM 0.73	6:02PM 0.69		6:18AM 0.92	6:35PM 0.89		7:04AM 1.06
Low Tide / height (m)		6:04PM 0.23		10:02AM 0.31		8:24PM 0.37	10:51AM 0.24		10:00PM 0.31	11:22AM 0.18		10:58PM 0.25	11:47AM 0.14		11:27PM 0.10	11:59AM 0.05		12:15AM 0.14	12:27PM 0.07		12:46AM 0.10	12:53PM 0.06
Weather Advanced Surf Forecast

Summary	mod. rain	light rain	light rain	risk thund- der	some clouds	risk thund- der	some clouds	risk thund- der	risk thund- der	clear	some clouds	risk thund- der	some clouds	some clouds	some clouds	clear	some clouds	risk thund- der	some clouds	some clouds	rain shwrs	some clouds
Rain (mm)	6	1	2	1	-	2	-	1	2	-	-	1	-	-	-	-	-	1	-	-	1	-
High °C	25	25	26	27	28	26	28	27	27	27	28	27	27	28	28	28	28	28	28	28	28	28
Low °C	25	25	26	26	28	25	27	27	26	27	27	26	27	28	27	27	28	27	27	28	27	27
Chill °C (?)	25	25	26	27	28	26	28	27	27	27	28	27	27	28	28	28	28	28	28	28	28	28
Sunrise	6:15	-	-	6:13	-	-	6:11	-	-	6:13	-	-	6:13	-	-	6:18	-	-	6:20	-	-	6:20
Sunset	-	6:20	-	-	6:29	-	-	6:16	-	-	6:19	-	-	6:28	-	-	6:19	-	-	6:19	-	-
Swell1 (m) & direction	1.2 SW	1.2 SSW	1.8 SSW	1.8 SSW	1.8 SSW	1.8 SSW	1.7 SSW	1.7 S	1.5 S	1.4 S	1.3 S	1.6 SSW	1.8 SSW	1.4 SW	1.4 SW	1.5 SW	1.5 SSW	1.7 SSW	1.5 SSW	1.0 S	1.4 SW	1.6 SW
Period (s)	14	16	15	15	15	14	13	13	13	13	13	17	17	17	16	16	15	14	14	10	21	19
Swell2 (m) & direction	0.7 SSE	1.0 SW	0.8 SSE	0.7 SSE	0.5 W	0.4 WNW	0.3 WNW	0.3 WNW	0.7 SW	0.8 SSW	0.9 SSW	0.2 WNW	0.2 WNW	0.7 S	1.1 S	0.9 S	1.0 S	0.2 SSW	0.5 SW	1.0 SW	0.9 S	0.9 S
Period (s)	7	12	8	8	7	7	7	7	15	16	17	7	7	9	10	10	9	25	23	23	10	10
Wind waves (m) & direction	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Period (s)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

	Tuesday 16							Wednesday 17								Thursday 18
	4AM	7AM	10AM	1PM	4PM	7PM	10PM	1AM	4AM	7AM	10AM	1PM	4PM	7PM	10PM	1AM	4AM	7AM	10AM	1PM	4PM	7PM
Best forecast wave conditions in Sumatra	Kandui Left Mentawi Islands	Bay of Plenty Banyak Islands	Gilligans Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Asu Nias	Asu Nias	Bawa Nias	Kandui Left Mentawi Islands	Green Bush Mentawi Islands	Rags Right Mentawi Islands	Green Bush Mentawi Islands	Kandui Left Mentawi Islands
Rating	3	3	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3
Wave Height (m) & direction (?)	1.4 SW	1.2 SSW	1.2 SW	0.9 SSW	1.2 SSW	1.7 SSW	1.7 SSW	1.8 SSW	1.8 SSW	1.8 SSW	1.8 SSW	2.0 SSW	1.7 SSW	1.7 SSW	1.7 SSW	1.7 SSW	1.5 SSW	1.6 SSW	1.7 SSW	1.7 S	1.7 S	1.6 SSW
Period(s) (?)	14	14	14	17	16	16	16	15	15	15	15	15	14	14	14	14	14	14	13	13	13	13
Energy(?)	787	561	1127	1027	1069	1446	1518	1657	1580	1531	1510	1681	1317	1302	1213	1211	1022	1000	1074	1047	1018	939
Wind (km/h)
Wind State(?)	glass	glass	cross- off	cross- off	cross- off	off	cross- off	off	off	glass	glass	glass	glass	glass	glass	glass	cross- off	cross- off	cross- off	cross- off	glass	glass
Tide State(?)	mid-ebb	mid-ebb	low	mid-flow	high	low	mid-flow	mid-flow	high	mid-ebb	mid-ebb	low	high	mid-ebb	low	mid-flow	high	mid-ebb	mid-ebb	low	mid-flow	high
High Tide / height (m)					1:50PM 0.54				2:25AM 0.96				3:30PM 0.61				3:39AM 0.66					4:31PM 0.72
Low Tide / height (m)			8:25AM 0.28			6:21PM 0.34						10:02AM 0.31			8:49PM 0.22					10:39AM 0.17
Weather Advanced Surf Forecast

Summary	light rain	risk thund- der	risk thund- der	light rain	light rain	cloudy	some clouds	risk thund- der	risk thund- der	cloudy	cloudy	risk thund- der	risk thund- der	risk thund- der	some clouds	some clouds	some clouds	some clouds	some clouds	risk thund- der	risk thund- der	risk thund- der
Rain (mm)	5	3	3	2	1	-	-	1	1	-	-	1	2	1	-	-	-	-	-	1	1	1
Temp. °C	26	27	27	25	25	25	26	26	26	26	26	27	27	27	28	27	27	27	27	27	28	27
Chill °C (?)	26	27	27	25	25	25	26	26	26	26	26	27	27	27	28	27	27	27	27	27	28	27
Sunrise	-	6:22	-	-	-	-	-	-	-	6:13	-	-	-	-	-	-	-	6:13	-	-	-	-
Sunset	-	-	-	-	6:20	-	-	-	-	-	-	-	6:20	-	-	-	-	-	-	-	6:16	-
Swell1 (m) & direction	1.4 SW	1.2 SSW	1.2 SW	1.1 SW	1.2 SSW	1.7 SSW	1.7 SSW	1.8 SSW	1.8 SSW	1.8 SSW	1.8 SSW	2.0 SSW	1.7 SSW	1.7 SSW	1.7 SSW	1.7 SSW	1.5 SSW	1.6 SSW	1.7 SSW	1.7 S	1.7 S	1.6 SSW
Period (s)	14	14	14	14	16	16	16	15	15	15	15	15	14	14	14	14	14	14	13	13	13	13
Swell2 (m) & direction	0.6 SSE	0.7 W	0.9 SSW	0.9 SSW	1.0 SW	0.7 SSE	0.7 SSE	0.8 SSE	0.7 SSE	0.7 SSE	0.7 SSE	0.4 WNW	0.8 S	0.8 S	0.5 W	0.5 W	0.7 S	0.3 WNW	0.3 WNW	0.3 WNW	0.3 WNW	0.3 WNW
Period (s)	7	8	17	17	12	7	8	8	8	8	8	7	9	9	7	7	9	7	7	7	7	7
Wind waves (m) & direction	-	-	0.8 SSE	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Period (s)	-	-	7	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

	Tuesday 16
	2AM	3AM	4AM	5AM	6AM	7AM	8AM	9AM	10AM	11AM	12PM	1PM	2PM	3PM	4PM	5PM	6PM	7PM	8PM	9PM	10PM	11PM
Best forecast wave conditions in Sumatra	Kandui Left Mentawi Islands	Bay of Plenty Banyak Islands	Gilligans Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Kandui Left Mentawi Islands	Asu Nias	Asu Nias	Bawa Nias	Kandui Left Mentawi Islands	Green Bush Mentawi Islands	Rags Right Mentawi Islands	Green Bush Mentawi Islands	Kandui Left Mentawi Islands
Rating	3	3	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3
Wave Height (m) & direction (?)	1.4 SW	1.2 SSW	1.2 SW	1.3 SSW	1.3 SSW	1.2 SW	1.2 SW	1.2 SW	1.2 SW	1.2 SW	1.2 SW	0.9 SSW	0.9 SSW	1.2 SSW	1.2 SW	1.2 SW	1.2 SW	1.7 SSW	1.7 SSW	1.7 SSW	1.8 SSW	1.7 SSW
Period(s) (?)	14	14	14	14	14	14	14	14	14	14	14	17	17	16	13	13	14	16	16	16	16	16
Energy(?)	777	565	794	727	736	657	664	864	873	864	1104	1027	1027	1069	930	918	1137	1446	1547	1559	1665	1563
Wind (km/h)
Wind State(?)	glass	cross	cross	glass	cross- on	cross- on	cross- on	glass	glass	glass	cross- off	cross- off	glass	glass	off	off	on	off	off	cross- off	off	cross- off
High Tide / height (m)													1:50PM 0.54
Low Tide / height (m)							7:56AM 0.36											6:21PM 0.34
Weather Advanced Surf Forecast

Summary	risk thund- der	cloudy	risk thund- der	risk thund- der	risk thund- der	risk thund- der	risk thund- der	risk thund- der	risk thund- der	risk thund- der	risk thund- der	cloudy	light rain	cloudy	some clouds	some clouds	some clouds	cloudy	cloudy	cloudy	cloudy	cloudy
Rain (mm)	2	-	2	1	1	1	1	1	1	1	1	-	1	-	-	-	-	-	-	-	-	-
High °C	26	27	26	26	25	25	25	25	25	25	25	25	25	25	27	27	27	25	26	26	26	26
Chill °C (?)	26	27	26	26	25	25	25	25	25	25	25	25	25	25	27	27	27	25	26	26	26	26
Sunrise	-	-	-	-	-	6:15	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Sunset	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	6:29	-	-	-	-	-
Swell1 (m) & direction	1.4 SW	1.2 SSW	1.2 SW	1.3 SSW	1.3 SSW	1.2 SW	1.2 SW	1.2 SW	1.2 SW	1.2 SW	1.2 SW	1.1 SW	1.1 SW	1.2 SSW	1.2 SW	1.2 SW	1.2 SW	1.7 SSW	1.7 SSW	1.7 SSW	1.8 SSW	1.7 SSW
Period (s)	14	14	14	14	14	14	14	14	14	14	14	14	14	16	13	13	14	16	16	16	16	16
Swell2 (m) & direction	0.7 W	0.7 W	0.8 SSE	0.7 SSE	0.7 SSE	0.7 SSE	0.7 SSE	0.7 SSE	0.7 SSE	0.7 SSE	0.9 SSW	0.9 SSW	0.9 SSW	1.0 SW	0.8 SSW	0.8 SSW	0.9 SSW	0.7 SSE	0.8 SSE	0.8 SSE	0.8 SSE	0.7 SSE
Period (s)	8	8	7	7	7	7	7	7	7	7	17	17	17	12	18	17	17	7	7	7	7	8
Wind waves (m) & direction	-	0.3 NW	1.1 SSE	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Period (s)	-	4	7	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

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