Downtowns Surf Forecast

/ Sumbawa (17 surf breaks) /

Indonesia (168 surf breaks)

Surf Forecasts:

Downtowns surfForecast / Sumbawa / Indonesia

48hr Weather and Surf, issued 1 am Friday 05 Sep 2025 WITA

Forecast update in hr min s Forecast update imminent

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

Today's Downtowns sea temperature is 27.2° C
(Which is slightly warmer than usual)

How big are the waves at Downtowns today?

The current surf forecast for Downtowns at 8AM is: 1.9m 16s primary swell from a South-southwest direction (forecast issued at 01:00am September 05). An open ocean swell of 0.6m 5s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.

Time (WITA) & Date	Wave Height	Wave Period
Morning (05 Sep)	6ft (1.9m)	17s
Afternoon (05 Sep)	7ft (2.1m)	17s
Evening (05 Sep)	7ft (2.1m)	16s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

		Friday 05								Saturday 06								Sunday 07
	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	2 PM	5 PM	8 PM
Rating (10 max)	3	4	4	4	3	3	4	4	4	4	4	4	3	2	2	3	3	3	3	3	1	0	2	2
Swell Height Map See all maps
Wave Height (m) & direction (?)	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SW	SW	SSW	SSW	SW	SW	SW	SW
Period(s) (?)	16	16	16	16	17	17	16	16	16	16	16	16	16	15	15	14	14	14	14	14	14	14	14	14
Wave Graph (?)
Energy (?)	1225	1606	1881	1975	2403	2403	2075	2038	2109	1866	1856	1933	1677	1589	1158	1142	1031	1031	1203	1072	804	752	797	871
Wind (km/h)	ESE	ESE	ESE	ESE	S	SSE	SSE	ESE	SE	SE	SE	SSE	S	SSW	S	SSE	SE	SE	SE	SE	S	S	SSE	SE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	off	off	off	off	cross	cross	glass	off	cross- off	cross- off	cross- off	cross- off	cross	cross	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross	cross	cross- off	cross- off
High Tide / height (m)	11:00PM 1.12				8:36AM 1.54				10:52PM 1.19				9:24AM 1.63				11:00PM 1.28				10:07AM 1.68
Low Tide / height (m)			2:41AM 1.01				4:12PM 0.19				3:27AM 0.89				4:37PM 0.17				4:07AM 0.74				5:00PM 0.19

		Friday 05								Saturday 06								Sunday 07
Sunrise	-	-	-	6:11	-	-	-	-	-	-	-	6:11	-	-	-	-	-	-	-	6:11	-	-	-	-
Sunset	-	-	-	-	-	-	6:09	-	-	-	-	-	-	-	6:09	-	-	-	-	-	-	-	6:09	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	23	23	23	24	27	28	27	25	24	24	23	25	26	27	26	25	24	24	25	25	27	27	26	25
Feels °C (?)	24	24	25	26	29	29	29	27	25	26	24	26	26	26	27	26	25	25	26	26	27	25	25	25

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 Sumbawa

Wind Update Continuing clean conditions at Downtowns (light winds from the SE at SumbawaBesarBrangbiji 81 km from Downtowns). 1.2m 13s groundswell from the SSW with a 0.7m 17s long period groundswell, also from the SSW. 2 swells combining to make bigger set waves.
2 hours 45 minutes ago Downtowns

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