Boa Surf Forecast

/ Timor (11 surf breaks) /

Indonesia (169 surf breaks)

Surf Forecasts:

Boa surfForecast / Timor / Indonesia

48hr Weather and Surf, issued 1 pm Monday 18 May 2026 WITA

Forecast update in hr min s Forecast update imminent

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

Today's Boa sea temperature is 28.8° C
(Which is normal for this time of year)

How big are the waves at Boa today?

The current surf forecast for Boa at 6PM is: 0.5m 14s primary swell from a Southwest direction and 0.4m 10s secondary swell from a Southwest direction, 1.1m 5s secondary swell from a East direction (forecast issued at 01:00pm May 18). The wind direction is predicted to be cross-shore.

Time (WITA) & Date	Wave Height	Wave Period
Morning (18 May)	2.5ft (0.7m)	14s
Afternoon (18 May)	2ft (0.6m)	14s
Evening (18 May)	1.5ft (0.5m)	14s

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

Updates in hr min s Forecast update imminent

	Short Range Forecast Heavy rain (total 40mm), heaviest during Tue morning. Warm (max 28°C on Mon afternoon, min 26°C on Tue morning). Mainly fresh winds.
	Mon 18					Tuesday 19								Wednesday 20								Thu 21
	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	2 AM	5 AM	8 AM
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 Period (s)	SW 14	SW 14	SW 14	SW 14	E 5	E 6	SW 13	SW 13	SW 20	SW 19	SW 19	SW 19	SW 19	SW 18	SW 18	SW 18	SW 18	SW 18	SW 17	SW 16	SW 16	SW 16	SW 16	SW 16
Wave Graph
kJ	200	127	121	91	113	114	62	62	97	184	184	133	95	155	375	375	307	249	243	380	371	437	432	508
Wind (km/h)	E	E	E	E	E	E	ENE	E	E	E	ENE	NE	ENE	ENE	ENE	ENE	E	E	E	E	E	E	E	ENE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross-on	cross	cross	cross	cross	cross	cross-on	cross	cross	cross-off	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross
High Tide						00:02AM2.65m				11:44AM3.48m				00:45AM2.57m				12:27PM3.36m				1:30AM2.47m
Low Tide				5:47PM-0.19m				5:32AM0.72m				6:30PM-0.12m				6:14AM0.77m				7:14PM0.05m				7:00AM0.88m


	—	—	—	—	—	—	5:56	—	—	—	—	—	—	—	5:56	—	—	—	—	—	—	—	5:56	—
	—	—	5:31	—	—	—	—	—	—	—	5:31	—	—	—	—	—	—	—	5:31	—	—	—	—	5:31
mm	—	3	3	2	1	2	5	9	3	4	3	1	—	—	1	1	1	1	—	—	—	—	—	—
Temp °C	28	28	27	27	27	27	27	26	26	27	27	26	27	27	27	27	27	28	28	28	27	27	27	27
Feels °C	28	29	27	27	27	27	28	26	26	29	28	26	28	27	27	28	27	28	28	28	27	27	27	27
Swell 1 Height (m) Direction Period (s)	SW 14	SW 14	SW 14	SW 14	SW 9	SW 9	SW 8	SW 8	SW 8	SW 19	SW 8	SW 10	SW 10	SW 18	SW 18	SW 18	SW 18	SW 18	SW 17	SW 16	SW 16	SW 16	SW 16	SW 16
kJ	200	127	121	91	31	50	45	44	43	184	21	32	36	155	375	375	307	249	243	380	371	437	432	508
Swell 2 Height (m) Direction Period (s)	SW 24	SW 10	SW 10	SW 10	SW 13	SW 13	SW 13	SW 13	SW 13	SW 8	SW 19	SW 19	SW 19	SW 10	SW 12	SW 12	SW 12	SW 12	SW 12	W 9	SW 13	W 9	W 9	W 9
kJ	22	35	34	33	63	63	62	62	44	23	184	133	95	33	89	89	50	51	51	2	26	2	2	1
Swell 3 Height (m) Direction Period (s)	W 9	SW 24	SW 24	SW 22	SW 21	SW 21	WSW 21	SW 21	SW 20	SW 13	SW 13	SW 13	SW 12	SW 12	W 10	W 10	W 10	W 9	W 9	—	W 9	—	W 9	—
kJ	2	22	22	18	72	72	45	18	97	61	43	26	25	23	2	2	2	2	2	—	2	—	2	—
Wind waves Height (m) Direction Period (s)	E 7	E 7	E 4	E 5	E 5	E 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	E 6	ESE 6	E 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 7	ESE 7
kJ	58	58	37	87	113	114	112	115	119	119	101	78	60	64	67	119	126	97	94	86	104	129	141	141
Nearest Offshore or Glassy	Peanuts Timor	Peanuts Timor	Ndao Timor	Millers Rights Sumba	Millers Rights Sumba	Millers Rights Sumba	Peanuts Timor	Peanuts Timor	Ndao Timor	Peanuts Timor	Peanuts Timor	Peanuts Timor	Peanuts Timor	Peanuts Timor	Peanuts Timor	Peanuts Timor	T-Land Timor	Peanuts Timor	Peanuts Timor	Savu Right Timor	Millers Rights Sumba	Millers Rights Sumba	Millers Rights Sumba	The Wedge (Raijua) Timor
Rating (10 max)	2	1	1	3	3	2	1	1	1	2	2	1	1	2	2	2	2	2	2	2	3	3	3	3
Distance (km)	3	3	27	336	336	336	3	3	27	3	3	3	3	3	3	3	5	3	3	131	336	336	336	150
Best forecast wave conditions in Timor	Pulau Dana	Pulau Dana	The Wedge (Raijua)				Savu Left	Savu Left	Ndao	The Wedge (Raijua)	The Wedge (Raijua)	T-Land	The Wedge (Raijua)	The Wedge (Raijua)	The Wedge (Raijua)	The Wedge (Raijua)	The Wedge (Raijua)	Pulau Dana	The Wedge (Raijua)	Savu Right				The Wedge (Raijua)
Rating (10 max)	2	2	2				2	1	1	2	2	1	2	3	3	2	2	2	2	2				3
Best forecast wave conditions in Indonesia	Benkunqut Sumatra - Mainland	Benkunqut Sumatra - Mainland	Benkunqut Sumatra - Mainland	Ujung Walur Sumatra - Mainland	Jimmys Sumatra - Mainland	Jimmys Sumatra - Mainland	Rifles (Kandui Right) Mentawi Islands	Rifles (Kandui Right) Mentawi Islands	Benkunqut Sumatra - Mainland	Rifles (Kandui Right) Mentawi Islands	Rifles (Kandui Right) Mentawi Islands	Rifles (Kandui Right) Mentawi Islands	Rifles (Kandui Right) Mentawi Islands	Jimmys Sumatra - Mainland	Jimmys Sumatra - Mainland	Jimmys Sumatra - Mainland	Rifles (Kandui Right) Mentawi Islands	Rifles (Kandui Right) Mentawi Islands	Jimmys Sumatra - Mainland	Rifles (Kandui Right) Mentawi Islands	Keusik Luhur Java - Central	Rifles (Kandui Right) Mentawi Islands	Rifles (Kandui Right) Mentawi Islands	Keusik Luhur Java - Central
Rating (10 max)	4	4	4	4	4	4	4	4	4	3	4	4	4	4	4	4	3	3	4	3	4	3	3	4
Header Global	Barrancon Chile	Fullers United States	Ghost Tree United States	Avalon-North Australia	Bali Village Indonesia	San Jorge - Faja dos Cubres Portugal	San Jorge - Faja dos Cubres Portugal	Back Bommie Australia	Benkunqut Indonesia	Black Rock Australia	Bankvaults Indonesia	Bankvaults Indonesia	Bali Village Indonesia	Bali Village Indonesia	Bali Village Indonesia	Bali Village Indonesia	Cavalos de Fao Portugal	The Reef Portugal	Achadas Da Cruz Portugal	Canal Brazil	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia
Rating (10 max)	4	6	5	4	4	5	5	4	4	4	4	4	4	4	4	4	5	5	4	5	5	5	5	5

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Latest Updates

Ben Mondy

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Boa Surf Forecast

Boa surfForecast / Timor / Indonesia

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