Boa 48 hour detailed Surf Forecast

Lat Long: 10.93° S 122.86° E

Issued: 1 am 20 Jul 2026 (local time)

Forecast update in hr min

Today's Boa sea temperature is

27.2° C

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

Surf Forecasts:

How big are the waves at Boa today (20 Jul):

Morning surf: Morning surf (20 Jul, local time) - 4.5ft (1.3m), 14s period with SW swell.
Afternoon surf: Afternoon surf (20 Jul, local time) - 4.5ft (1.4m), 15s period with SW swell.
Evening surf: Evening surf (20 Jul, local time) - 4.5ft (1.4m), 15s period with SW swell.

The current surf forecast for Boa at 5AM is: 1.1m 13s primary swell from a Southwest direction and 0.6m 17s secondary swell from a Southwest direction (forecast issued at 01:00am July 20). An open ocean swell of 1.5m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (WITA) & Date	Wave Height	Wave Period
Morning (20 Jul)	4.5ft (1.3m)	14s
Afternoon (20 Jul)	4.5ft (1.4m)	15s
Evening (20 Jul)	4.5ft (1.4m)	15s

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

	Short Range Forecast Mostly dry. Warm (max 26°C on Mon night, min 25°C on Mon morning). Mainly fresh winds.
	Monday 20								Tuesday 21								Wednesday 22
	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 Period (s)	SW 13	SW 13	SW 14	SW 15	SW 15	SW 16	SW 15	SW 15	SW 15	SW 15	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13
Wave Graph
kJ	495	386	596	788	930	942	930	894	859	847	668	659	581	506	499	371	361	350	299	246	242	205	166	166
Wind (km/h)	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SE	ESE	SE	SE	ESE	ESE	ESE	ESE	ESE	ESE	SE	SE	ESE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore 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	cross-on	cross-on	cross-on	cross-on	cross-on
High Tide		2:20AM2.95m				2:25PM2.60m				2:56AM2.87m				3:05PM2.30m				3:33AM2.73m				3:52PM2.01m
Low Tide				8:29AM0.70m				8:30PM0.60m				9:15AM0.84m				9:00PM0.84m				10:06AM0.98m				9:32PM1.08m


	—	6:07	—	—	—	—	—	—	—	6:07	—	—	—	—	—	—	—	6:07	—	—	—	—	—	—
	—	—	—	—	—	5:40	—	—	—	—	—	—	—	5:42	—	—	—	—	—	—	—	5:42	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	25	25	25	25	25	25	26	25	25	25	25	25	26	25	25	25	25	25	26	26	26	26	25	25
Feels °C	21	22	22	22	22	22	23	22	22	23	22	21	23	21	21	22	22	22	22	21	21	21	21	21
Swell 1 Height (m) Direction Period (s)	SW 13	SW 13	SW 14	SW 15	SW 15	SW 16	SW 15	SW 15	SW 15	SW 15	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 14	SW 13	SW 13	SW 13	SW 13	SW 13	SW 13
kJ	495	386	596	788	930	942	930	894	859	847	668	659	581	506	499	371	361	350	299	246	242	205	166	166
Swell 2 Height (m) Direction Period (s)	SW 18	SW 17	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	SW 19
kJ	51	173	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	14
Swell 3 Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Wind waves Height (m) Direction Period (s)	ESE 6	ESE 6	ESE 7	ESE 7	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	ESE 5	ESE 5
kJ	182	177	166	198	186	151	142	126	122	126	113	100	96	93	90	100	115	127	115	115	91	107	90	90
Nearest Offshore or Glassy	Savu Left Timor	Savu Left Timor	Savu Left Timor	Savu Left Timor	Savu Left Timor	Savu Left Timor	Savu Left Timor	Savu Left Timor	Savu Left Timor	Savu Left Timor	Savu Left Timor	Savu Left Timor	Savu Left Timor	Savu Left Timor	Savu Left Timor	Savu Left Timor	Savu Left Timor	Savu Left Timor	Savu Left Timor	Savu Left Timor	Scar Reef Sumbawa	Savu Left Timor	Lakey Peak Sumbawa	Savu Left Timor
Rating (10 max)	2	3	3	3	4	4	4	4	3	3	3	3	3	3	3	2	2	2	2	2	2	2	2	2
Distance (km)	125	125	125	125	125	125	125	125	125	125	125	125	125	125	125	125	125	125	125	125	708	125	545	125
Best forecast wave conditions in Timor	Savu Right	Savu Right	Savu Right	Savu Right	Savu Right	Savu Right	Savu Right	Savu Right	Savu Right	Savu Right	Savu Right	Savu Right	Savu Right	Savu Right	Savu Right	Savu Right	Savu Right	Savu Right	Savu Right	Savu Right		Savu Right		Savu Right
Rating (10 max)	2	3	3	3	4	4	4	4	3	3	3	3	3	3	3	2	2	2	2	2		2		2
Best forecast wave conditions in Indonesia	Asu Nias	Turtle Island Banyak Islands	Thailand Simeulue Island	Thailand Simeulue Island	Thailand Simeulue Island	Thailand Simeulue Island	Thailand Simeulue Island	Thailand Simeulue Island	Thailand Simeulue Island	Thailand Simeulue Island	Thailand Simeulue Island	Thailand Simeulue Island	Thailand Simeulue Island	Thailand Simeulue Island	Benkunqut Sumatra - Mainland	Thailand Simeulue Island	Thailand Simeulue Island	Karang Nyimbor Sumatra - Mainland	Jimmys Sumatra - Mainland	Benkunqut Sumatra - Mainland	Turtle Island Banyak Islands	Turtle Island Banyak Islands	Benkunqut Sumatra - Mainland	Benkunqut Sumatra - Mainland
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	3	3	4	4	4	3	3	3	3
Header Global	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Ning Nong Point and Reef New Zealand	Ning Nong Point and Reef New Zealand	Ning Nong Point and Reef New Zealand	Last Chance New Zealand	Seconds (White Rock) New Zealand	Diners Beach New Zealand	Asu Indonesia	Papatowai New Zealand	Asu Indonesia	Aganoa Beach Samoa	Aganoa Beach Samoa	Bruces Beauties South Africa	Van Stadens Mouth South Africa	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Injidup Carpark Australia	Bancoora Australia	Cathedral Rock Australia
Rating (10 max)	7	6	5	5	7	6	5	5	5	5	4	5	4	4	4	4	5	5	5	7	6	5	5	6

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

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Boa 48 hour detailed Surf Forecast

How big are the waves at Boa today (20 Jul):

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