Name: Sumbawa – Cobblestones Surf Forecast & Surf Report
Address: Sumbawa, Indonesia

Current Weather

SunDaylight: 12h 18m

Sunrise05:42

Sunset18:00

Waves

Live

SSW

0.8m

Period: 10s

Swell 1:0.5m@ 9sSSW

Swell 2:0.3m@ 16sSSW

Wind waves:

0.0m@ 0sSSE

Wind

Cross-off

8km/h

Gusts: 18 km/h

Tides

+1.36m

00h06h12h18h24h

Tides— Today

	Coef.Coef	▼Low tideLow	▲High tideHigh
MorningAM	65	07:00-0.67m	—
AfternoonPM	65	—	13:00+0.75m

Air

26°C

Feels like: 31°C

Max32°

Min25°

Water

28°C

Wetsuit: Boardshorts

UV IndexMax today: 9.3

0.0Low

UV Scale

No protection needed. Safe to be outside.

Rain ProbabilityMax today: 53%

1%No rain

Perfect conditions to be outside.

Forecast

	Today			Tomorrow			19 Mon			20 Tue			21 Wed			22 Thu			23 Fri			24 Sat
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	!	!	!	!	!	5	!	!	!	!	!	!	!	!	!	!	!	!	!	!	!	!	!	!
Height(m)	0.8 SSW 206°	0.8 SSW 205°	0.8 SSW 204°	0.8 SSW 201°	0.9 SSW 201°	0.9 SSW 206°	1.1 SSW 209°	1.3 SSW 209°	1.4 SSW 209°	1.5 SSW 208°	1.5 SSW 209°	1.5 SSW 210°	1.3 SSW 211°	1.2 SSW 212°	1.2 SSW 213°	1.1 SSW 213°	1.2 SSW 212°	1.3 SSW 211°	1.6 SSW 210°	1.7 SSW 210°	1.8 SSW 210°	1.9 SSW 211°	2.0 SSW 211°	2.0 SSW 211°
Period(s)	10	10	10	11	11	12	13	13	13	12	12	12	11	12	12	12	12	13	15	15	15	15	15	14
Energy(kJ)	116	106	103	130	176	237	408	518	602	663	625	585	426	365	344	345	407	523	1041	1221	1315	1446	1519	1562
Wind(km/h)	7 ↑24 S	16 ↑43 S	10 ↑26 SE	7 ↑23 SE	16 ↑44 SE	9 ↑26 SE	7 ↑22 S	16 ↑43 S	10 ↑26 SSE	7 ↑22 S	14 ↑40 SSW	10 ↑25 SSE	9 ↑27 SSE	14 ↑42 SSE	11 ↑32 SSE	6 ↑20 SSW	18 ↑47 S	13 ↑42 SSE	6 ↑23 SE	16 ↑46 SSE	10 ↑47 SSE	6 ↑21 SE	14 ↑41 S	9 ↑41 SSE
Wind state	cross	cross	cross	offshore	cross	cross-off	cross	cross	cross	cross-off	cross	cross	cross-off	cross	cross-off	cross-on	cross	cross	offshore	cross	cross	cross-off	cross	cross
Swell 1	0.7m7s SSW	0.6m8s SSW	0.5m8s SSW	0.6m12s SSW	0.7m11s SSW	0.8m12s SSW	1.1m11s SSW	1.3m11s SSW	1.3m12s SSW	1.5m10s SSW	1.5m10s SSW	1.4m10s SSW	1.2m9s SSW	1.1m9s SSW	1.1m9s SSW	1.0m8s SSW	0.9m8s SSW	1.1m10s SSW	1.5m13s SSW	1.7m13s SSW	1.7m13s SSW	1.9m12s SSW	1.9m12s SSW	2.0m12s SSW
Swell 2	0.2m9s SSE	0.3m14s SSW	0.3m16s SW	0.3m9s SSW	0.3m8s SSW	0.3m5s SSW	0.2m3s NW	0.1m2s NW	0.2m3s NW	0.1m3s SSE	-	-	0.4m18s SSW	0.4m17s SW	0.3m18s SW	0.5m16s SSW	0.7m16s SSW	0.5m8s S	0.2m3s SSE	-	0.2m3s SSW	-	-	-
Tides	▼ Low0.3m	▲ High0.5m	▲ High0.0m	▼ Low0.2m	▲ High0.4m	▲ High0.1m	▼ Low0.1m	▲ High0.3m	▲ High0.2m	▲ High0.1m	▲ High0.3m	▲ High0.5m	▲ High0.3m	▲ High0.1m	▲ High0.7m	▲ High0.5m	▲ High0.0m	▲ High0.9m	▲ High0.7m	▼ Low0.1m	▲ High1.1m	▲ High0.9m	▼ Low0.1m	▲ High1.2m
Cloud cover
Rain(mm)	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-		-	-	-			-
Air	29°C	31°C	27°C	29°C	31°C	26°C	29°C	30°C	27°C	30°C	31°C	27°C	29°C	32°C	28°C	29°C	30°C	27°C	29°C	31°C	27°C	29°C	30°C	27°C
Water	27°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	29°C	28°C	28°C	29°C	28°C
UV Index	9	9	0	9	9	0	9	9	0	9	9	0	9	9	0	9	9	1	8	10	0	8	9	1

Map

Windy

Reviews

3.0

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Located in Sumbawa, Indonesia, Cobblestones is a reef break known for its consistent waves suited for intermediate surfers. The southwest swell direction creates reliable conditions, while east-northeast winds keep the surface smooth. With warm tropical waters at 29.5°C, it's an inviting spot for surfers seeking well-formed waves. The reef bottom requires caution, but the ride is worth the effort. Best visited during the peak season for optimal conditions.

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Current Weather

SunDaylight: 12h 18m

Sunrise05:42

Sunset18:00

Waves

Live

SSW

0.8m

Period: 10s

Swell 1:0.5m@ 9sSSW

Swell 2:0.3m@ 16sSSW

Wind waves:

0.0m@ 0sSSE

Wind

Cross-off

8km/h

Gusts: 18 km/h

Tides

+1.36m

00h06h12h18h24h

Tides— Today

	Coef.Coef	▼Low tideLow	▲High tideHigh
MorningAM	65	07:00-0.67m	—
AfternoonPM	65	—	13:00+0.75m

Air

26°C

Feels like: 31°C

Max32°

Min25°

Water

28°C

Wetsuit: Boardshorts

UV IndexMax today: 9.3

0.0Low

UV Scale

No protection needed. Safe to be outside.

Rain ProbabilityMax today: 53%

1%No rain

Perfect conditions to be outside.

Forecast

	Today			Tomorrow			19 Mon			20 Tue			21 Wed			22 Thu			23 Fri			24 Sat
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	!	!	!	!	!	5	!	!	!	!	!	!	!	!	!	!	!	!	!	!	!	!	!	!
Height(m)	0.8 SSW 206°	0.8 SSW 205°	0.8 SSW 204°	0.8 SSW 201°	0.9 SSW 201°	0.9 SSW 206°	1.1 SSW 209°	1.3 SSW 209°	1.4 SSW 209°	1.5 SSW 208°	1.5 SSW 209°	1.5 SSW 210°	1.3 SSW 211°	1.2 SSW 212°	1.2 SSW 213°	1.1 SSW 213°	1.2 SSW 212°	1.3 SSW 211°	1.6 SSW 210°	1.7 SSW 210°	1.8 SSW 210°	1.9 SSW 211°	2.0 SSW 211°	2.0 SSW 211°
Period(s)	10	10	10	11	11	12	13	13	13	12	12	12	11	12	12	12	12	13	15	15	15	15	15	14
Energy(kJ)	116	106	103	130	176	237	408	518	602	663	625	585	426	365	344	345	407	523	1041	1221	1315	1446	1519	1562
Wind(km/h)	7 ↑24 S	16 ↑43 S	10 ↑26 SE	7 ↑23 SE	16 ↑44 SE	9 ↑26 SE	7 ↑22 S	16 ↑43 S	10 ↑26 SSE	7 ↑22 S	14 ↑40 SSW	10 ↑25 SSE	9 ↑27 SSE	14 ↑42 SSE	11 ↑32 SSE	6 ↑20 SSW	18 ↑47 S	13 ↑42 SSE	6 ↑23 SE	16 ↑46 SSE	10 ↑47 SSE	6 ↑21 SE	14 ↑41 S	9 ↑41 SSE
Wind state	cross	cross	cross	offshore	cross	cross-off	cross	cross	cross	cross-off	cross	cross	cross-off	cross	cross-off	cross-on	cross	cross	offshore	cross	cross	cross-off	cross	cross
Swell 1	0.7m7s SSW	0.6m8s SSW	0.5m8s SSW	0.6m12s SSW	0.7m11s SSW	0.8m12s SSW	1.1m11s SSW	1.3m11s SSW	1.3m12s SSW	1.5m10s SSW	1.5m10s SSW	1.4m10s SSW	1.2m9s SSW	1.1m9s SSW	1.1m9s SSW	1.0m8s SSW	0.9m8s SSW	1.1m10s SSW	1.5m13s SSW	1.7m13s SSW	1.7m13s SSW	1.9m12s SSW	1.9m12s SSW	2.0m12s SSW
Swell 2	0.2m9s SSE	0.3m14s SSW	0.3m16s SW	0.3m9s SSW	0.3m8s SSW	0.3m5s SSW	0.2m3s NW	0.1m2s NW	0.2m3s NW	0.1m3s SSE	-	-	0.4m18s SSW	0.4m17s SW	0.3m18s SW	0.5m16s SSW	0.7m16s SSW	0.5m8s S	0.2m3s SSE	-	0.2m3s SSW	-	-	-
Tides	▼ Low0.3m	▲ High0.5m	▲ High0.0m	▼ Low0.2m	▲ High0.4m	▲ High0.1m	▼ Low0.1m	▲ High0.3m	▲ High0.2m	▲ High0.1m	▲ High0.3m	▲ High0.5m	▲ High0.3m	▲ High0.1m	▲ High0.7m	▲ High0.5m	▲ High0.0m	▲ High0.9m	▲ High0.7m	▼ Low0.1m	▲ High1.1m	▲ High0.9m	▼ Low0.1m	▲ High1.2m
Cloud cover
Rain(mm)	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-		-	-	-			-
Air	29°C	31°C	27°C	29°C	31°C	26°C	29°C	30°C	27°C	30°C	31°C	27°C	29°C	32°C	28°C	29°C	30°C	27°C	29°C	31°C	27°C	29°C	30°C	27°C
Water	27°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	28°C	29°C	28°C	28°C	29°C	28°C
UV Index	9	9	0	9	9	0	9	9	0	9	9	0	9	9	0	9	9	1	8	10	0	8	9	1

Map

Windy

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Kaiser's (Hachijojima Island)

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Cobblestones

Cobblestones offers intermediate surfers consistent reef waves in warm tropical waters of Sumbawa, Indonesia

Current Weather

Forecast

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Reviews

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