Name: Sumbawa – Cement Factory Surf Forecast & Surf Report
Address: Sumbawa, Indonesia

Current Weather

SunDaylight: 12h 23m

Sunrise06:05

Sunset18:28

Waves

Live

1.6m

Period: 7s

Swell 1:1.4m@ 6sWNW

Swell 2:0.4m@ 4sSW

Wind waves:

0.6m@ 3sSSW

Wind

Cross

SSW

26km/h

Gusts: 34 km/h

Tides

+1.08m

00h06h12h18h24h

Tides— Today

	Coef.Coef	▼Low tideLow	▲High tideHigh
MorningAM	48	10:00+0.50m	02:00+1.18m

Air

29°C

Feels like: 33°C

Max30°

Min27°

Water

30°C

Wetsuit: Boardshorts

UV IndexMax today: 9.2

9.2Very High

UV Scale

Extra protection required. Avoid the sun between 10am-4pm.

Rain ProbabilityMax today: 94%

44%Moderate

Chance of rain. Consider bringing a light jacket.

Forecast

	Today			Tomorrow			21 Fri			22 Sat			23 Sun			24 Mon			25 Tue			26 Wed
Period	AM	PM	EVE	AM	PM	EVE	AM	PM	EVE	AM	PM	EVE	AM	PM	EVE	AM	PM	EVE	AM	PM	EVE	AM	PM	EVE
Rating	!	!	!	!	!	!	!	!								!	!	!	!	!	!	!	!	!
Height(m)	1.6 W 266°	1.6 W 270°	1.6 W 272°	1.5 W 269°	1.4 W 269°	1.4 W 271°	1.3 W 275°	1.2 W 275°	1.2 W 278°	1.1 WNW 283°	1.0 WNW 282°	0.9 WNW 282°	1.0 WNW 283°	1.0 W 277°	1.0 W 280°	1.2 W 279°	1.3 W 275°	1.3 W 275°	1.3 W 273°	1.4 W 269°	1.5 W 270°	1.5 W 266°	1.5 W 267°	1.5 W 268°
Period(s)	6	7	7	7	6	6	7	7	7	7	7	6	6	6	6	6	6	6	6	6	6	6	6	6
Energy(kJ)	202	213	210	191	162	147	128	116	118	106	81	70	67	67	71	101	113	113	131	141	162	169	148	157
Wind(km/h)	30 ↑42 SSW	24 ↑34 S	25 ↑33 SSW	24 ↑32 SSW	25 ↑36 SSW	22 ↑29 SSW	21 ↑28 SSW	20 ↑28 SW	17 ↑24 SW	16 ↑22 SSW	17 ↑23 SW	17 ↑24 SW	22 ↑30 SW	24 ↑33 SW	18 ↑28 SW	23 ↑31 SW	25 ↑34 SW	22 ↑34 WSW	23 ↑37 SW	26 ↑45 SW	24 ↑45 SW	29 ↑39 SW	25 ↑43 WSW	29 ↑42 WSW
Wind state	offshore	cross-off	cross-off	offshore	cross-off	cross-off	cross-off	offshore	offshore	cross-off	offshore	offshore	offshore	offshore	offshore	offshore	offshore	offshore	offshore	offshore	offshore	offshore	offshore	offshore
Swell 1	1.3m6s WNW	1.4m6s WNW	1.4m6s WNW	1.4m6s W	1.3m6s W	1.3m6s W	1.2m6s W	1.1m6s W	1.2m6s W	1.0m6s WNW	0.9m6s WNW	0.9m6s WNW	0.9m6s WNW	0.9m5s WNW	1.0m5s WNW	1.1m6s WNW	1.1m6s WNW	1.2m5s WNW	1.1m6s WNW	1.2m6s WNW	1.3m6s WNW	1.3m6s WNW	1.2m6s WNW	1.1m6s WNW
Swell 2	0.2m5s SSW	0.4m4s SW	0.2m4s SSW	0.1m4s S	0.1m4s SSE	-	-	-	-	0.1m4s SE	0.2m4s WSW	-	-	0.1m3s SSE	-	-	-	0.1m6s SSW	0.2m3s SSW	0.1m4s S	0.3m4s SSW	0.1m4s S	0.3m4s SSW	0.3m5s S
Tides	▲ High0.6m	▲ High0.7m	▲ High0.7m	▲ High0.6m	▲ High0.5m	▲ High0.7m	▲ High0.7m	▲ High0.4m	▲ High0.7m	▲ High0.8m	▲ High0.3m	▲ High0.6m	▲ High1.0m	▲ High0.3m	▲ High0.5m	▲ High1.1m	▲ High0.2m	▲ High0.4m	▲ High1.3m	▲ High0.3m	▲ High0.4m	▲ High1.3m	▲ High0.4m	▲ High0.3m
Cloud cover
Rain(mm)		-				-		-	-	-	-	-	-	-	-	-
Air	29°C	29°C	29°C	29°C	29°C	29°C	29°C	29°C	30°C	29°C	29°C	30°C	29°C	29°C	30°C	30°C	30°C	30°C	29°C	29°C	29°C	29°C	28°C	29°C
Water	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C
UV Index	8	9	1	8	9	1	8	9	1	8	9	1	8	9	1	7	9	1	6	6	1	7	9	1

Map

Windy

Reviews

4.0

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Located in Sumbawa, Indonesia, Cement Factory is a challenging reef break that rarely breaks but delivers world-class waves when conditions align. The best swells come from the west-southwest, with east winds creating ideal conditions. The warm tropical waters and expert-level waves make this spot a hidden gem for advanced surfers. Patience is key, as the break is unpredictable but rewarding for those who catch it.

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Current Weather

SunDaylight: 12h 23m

Sunrise06:05

Sunset18:28

Waves

Live

1.6m

Period: 7s

Swell 1:1.4m@ 6sWNW

Swell 2:0.4m@ 4sSW

Wind waves:

0.6m@ 3sSSW

Wind

Cross

SSW

26km/h

Gusts: 34 km/h

Tides

+1.08m

00h06h12h18h24h

Tides— Today

	Coef.Coef	▼Low tideLow	▲High tideHigh
MorningAM	48	10:00+0.50m	02:00+1.18m

Air

29°C

Feels like: 33°C

Max30°

Min27°

Water

30°C

Wetsuit: Boardshorts

UV IndexMax today: 9.2

9.2Very High

UV Scale

Extra protection required. Avoid the sun between 10am-4pm.

Rain ProbabilityMax today: 94%

44%Moderate

Chance of rain. Consider bringing a light jacket.

Forecast

	Today			Tomorrow			21 Fri			22 Sat			23 Sun			24 Mon			25 Tue			26 Wed
Period	AM	PM	EVE	AM	PM	EVE	AM	PM	EVE	AM	PM	EVE	AM	PM	EVE	AM	PM	EVE	AM	PM	EVE	AM	PM	EVE
Rating	!	!	!	!	!	!	!	!								!	!	!	!	!	!	!	!	!
Height(m)	1.6 W 266°	1.6 W 270°	1.6 W 272°	1.5 W 269°	1.4 W 269°	1.4 W 271°	1.3 W 275°	1.2 W 275°	1.2 W 278°	1.1 WNW 283°	1.0 WNW 282°	0.9 WNW 282°	1.0 WNW 283°	1.0 W 277°	1.0 W 280°	1.2 W 279°	1.3 W 275°	1.3 W 275°	1.3 W 273°	1.4 W 269°	1.5 W 270°	1.5 W 266°	1.5 W 267°	1.5 W 268°
Period(s)	6	7	7	7	6	6	7	7	7	7	7	6	6	6	6	6	6	6	6	6	6	6	6	6
Energy(kJ)	202	213	210	191	162	147	128	116	118	106	81	70	67	67	71	101	113	113	131	141	162	169	148	157
Wind(km/h)	30 ↑42 SSW	24 ↑34 S	25 ↑33 SSW	24 ↑32 SSW	25 ↑36 SSW	22 ↑29 SSW	21 ↑28 SSW	20 ↑28 SW	17 ↑24 SW	16 ↑22 SSW	17 ↑23 SW	17 ↑24 SW	22 ↑30 SW	24 ↑33 SW	18 ↑28 SW	23 ↑31 SW	25 ↑34 SW	22 ↑34 WSW	23 ↑37 SW	26 ↑45 SW	24 ↑45 SW	29 ↑39 SW	25 ↑43 WSW	29 ↑42 WSW
Wind state	offshore	cross-off	cross-off	offshore	cross-off	cross-off	cross-off	offshore	offshore	cross-off	offshore	offshore	offshore	offshore	offshore	offshore	offshore	offshore	offshore	offshore	offshore	offshore	offshore	offshore
Swell 1	1.3m6s WNW	1.4m6s WNW	1.4m6s WNW	1.4m6s W	1.3m6s W	1.3m6s W	1.2m6s W	1.1m6s W	1.2m6s W	1.0m6s WNW	0.9m6s WNW	0.9m6s WNW	0.9m6s WNW	0.9m5s WNW	1.0m5s WNW	1.1m6s WNW	1.1m6s WNW	1.2m5s WNW	1.1m6s WNW	1.2m6s WNW	1.3m6s WNW	1.3m6s WNW	1.2m6s WNW	1.1m6s WNW
Swell 2	0.2m5s SSW	0.4m4s SW	0.2m4s SSW	0.1m4s S	0.1m4s SSE	-	-	-	-	0.1m4s SE	0.2m4s WSW	-	-	0.1m3s SSE	-	-	-	0.1m6s SSW	0.2m3s SSW	0.1m4s S	0.3m4s SSW	0.1m4s S	0.3m4s SSW	0.3m5s S
Tides	▲ High0.6m	▲ High0.7m	▲ High0.7m	▲ High0.6m	▲ High0.5m	▲ High0.7m	▲ High0.7m	▲ High0.4m	▲ High0.7m	▲ High0.8m	▲ High0.3m	▲ High0.6m	▲ High1.0m	▲ High0.3m	▲ High0.5m	▲ High1.1m	▲ High0.2m	▲ High0.4m	▲ High1.3m	▲ High0.3m	▲ High0.4m	▲ High1.3m	▲ High0.4m	▲ High0.3m
Cloud cover
Rain(mm)		-				-		-	-	-	-	-	-	-	-	-
Air	29°C	29°C	29°C	29°C	29°C	29°C	29°C	29°C	30°C	29°C	29°C	30°C	29°C	29°C	30°C	30°C	30°C	30°C	29°C	29°C	29°C	29°C	28°C	29°C
Water	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C	30°C
UV Index	8	9	1	8	9	1	8	9	1	8	9	1	8	9	1	7	9	1	6	6	1	7	9	1

Map

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Cement Factory

Cement Factory in Sumbawa offers powerful reef breaks for expert surfers seeking rare west-southwest swells.

Current Weather

Forecast

Map

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Reviews

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Current Weather

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