Name: Chiba – Onjuku Surf Forecast & Surf Report
Address: Chiba, Japan

Current Weather

SunDaylight: 13h 22m

Sunrise05:01

Sunset18:23

Waves

Live

ESE

0.9m

Period: 8s

Swell 1:0.8m@ 5sESE

Swell 2:0.5m@ 11sESE

Wind waves:

0.0m@ 1sSE

Wind

Cross-off

SSE

9km/h

Gusts: 26 km/h

Tides

-0.12m

00h06h12h18h24h

Tides— Today

	Coef.Coef	▼Low tideLow	▲High tideHigh
MorningAM	40	02:00-0.25m	08:00+0.37m
AfternoonPM	40	13:00+0.10m	19:00+0.63m

Air

28°C

Feels like: 32°C

Max28°

Min25°

Water

28°C

Wetsuit: Boardshorts

UV IndexMax today: 7.6

3.5Moderate

UV Scale

Wear sunscreen and sunglasses. Seek shade during midday.

Rain ProbabilityMax today: 61%

28%Low chance

Unlikely to rain. Should stay dry for outdoor activities.

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	2		1	2		2	1	!				1	2	1	3	!	!	!	!	!	!	!	!	!
Height(m)	1.0 ESE 114°	0.9 ESE 113°	0.9 ESE 112°	0.9 ESE 113°	0.9 ESE 113°	0.9 ESE 115°	0.9 SE 124°	0.9 SE 131°	1.0 SE 136°	1.1 SE 127°	1.1 ESE 119°	1.1 ESE 116°	1.0 ESE 115°	1.0 ESE 114°	1.0 ESE 120°	1.4 SE 141°	1.7 SSE 148°	1.9 SSE 151°	1.9 SSE 156°	1.9 SSE 160°	1.9 SSE 165°	1.9 S 180°	2.0 S 187°	2.1 S 191°
Period(s)	8	8	8	8	9	9	9	8	8	9	9	9	9	9	10	13	13	13	12	11	10	9	9	8
Energy(kJ)	113	109	109	103	103	103	113	119	125	189	207	200	147	147	173	623	974	1121	968	847	733	535	550	540
Wind(km/h)	6 ↑19 ENE	10 ↑25 SE	8 ↑13 SSE	5 ↑14 ESE	10 ↑26 S	9 ↑16 SSW	12 ↑23 SW	13 ↑37 SSW	11 ↑27 SW	12 ↑18 SW	8 ↑18 SSW	6 ↑11 ENE	9 ↑22 NE	10 ↑27 E	4 ↑17 ENE	7 ↑20 NE	10 ↑28 SSE	10 ↑22 SSW	14 ↑30 SSW	19 ↑41 SSW	20 ↑42 SW	24 ↑51 SW	25 ↑57 SW	27 ↑57 SW
Wind state	cross	cross-on	cross-on	cross-on	onshore	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross	cross-off	cross	cross	offshore	onshore	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on
Swell 1	0.8m5s ESE	0.8m5s ESE	0.7m5s ESE	0.6m8s ESE	0.6m8s ESE	0.7m7s ESE	0.7m8s ESE	0.7m8s E	0.7m8s ESE	0.8m9s E	0.8m9s E	0.9m9s E	0.8m8s E	0.8m8s ESE	0.8m9s SE	1.3m11s SE	1.6m11s SSE	1.6m11s SSE	1.6m10s SSE	1.5m9s SSE	1.3m9s SSE	0.9m10s SSW	1.0m11s SSW	1.0m10s SSW
Swell 2	0.5m11s ESE	0.5m11s ESE	0.6m10s E	0.5m10s ESE	0.3m10s ESE	0.4m11s ESE	0.4m7s S	0.4m7s SSE	0.5m7s S	0.6m7s S	0.5m8s ESE	0.6m6s S	0.5m6s S	0.4m9s SE	0.4m7s ENE	0.3m11s SE	0.5m16s S	0.7m14s SE	0.7m13s S	0.8m12s S	1.0m11s S	0.7m10s SSW	0.6m8s S	0.5m9s SSE
Tides	▲ High0.3m	▲ High0.2m	▲ High0.6m	▲ High0.2m	▲ High0.3m	▲ High0.6m	▲ High0.1m	▲ High0.4m	▲ High0.6m	▲ High0.0m	▲ High0.4m	▲ High0.5m	▼ Low0.1m	▲ High0.5m	▲ High0.5m	▼ Low0.2m	▲ High0.5m	▲ High0.4m	▼ Low0.3m	▲ High0.5m	▲ High0.4m	▼ Low0.3m	▲ High0.4m	▲ High0.4m
Cloud cover
Rain(mm)	-	-	-	-	-	-	-	-	-			-	-	-	-		-	-	-	-	-	-	-	-
Air	27°C	28°C	26°C	26°C	28°C	26°C	27°C	27°C	26°C	27°C	27°C	25°C	26°C	27°C	25°C	26°C	28°C	26°C	29°C	30°C	28°C	30°C	30°C	29°C
Water	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	29°C	28°C	29°C	29°C	29°C	29°C	29°C	28°C	29°C	28°C
UV Index	7	8	1	7	7	1	7	7	0	7	7	0	6	7	0	7	7	1	7	7	1	5	5	0

Map

Windy

Reviews

2.0

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Onjuku is a beach break located in Chiba, Japan, offering both left and right waves. The surf is best with south-southeast swells and northwest winds, though conditions can be inconsistent. Suitable for beginners, the spot is crowded at times and features rocky hazards. Water temperatures hover around 17.4°C, making a wetsuit essential for surfers.

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Current Weather

SunDaylight: 13h 22m

Sunrise05:01

Sunset18:23

Waves

Live

ESE

0.9m

Period: 8s

Swell 1:0.8m@ 5sESE

Swell 2:0.5m@ 11sESE

Wind waves:

0.0m@ 1sSE

Wind

Cross-off

SSE

9km/h

Gusts: 26 km/h

Tides

-0.12m

00h06h12h18h24h

Tides— Today

	Coef.Coef	▼Low tideLow	▲High tideHigh
MorningAM	40	02:00-0.25m	08:00+0.37m
AfternoonPM	40	13:00+0.10m	19:00+0.63m

Air

28°C

Feels like: 32°C

Max28°

Min25°

Water

28°C

Wetsuit: Boardshorts

UV IndexMax today: 7.6

3.5Moderate

UV Scale

Wear sunscreen and sunglasses. Seek shade during midday.

Rain ProbabilityMax today: 61%

28%Low chance

Unlikely to rain. Should stay dry for outdoor activities.

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	2		1	2		2	1	!				1	2	1	3	!	!	!	!	!	!	!	!	!
Height(m)	1.0 ESE 114°	0.9 ESE 113°	0.9 ESE 112°	0.9 ESE 113°	0.9 ESE 113°	0.9 ESE 115°	0.9 SE 124°	0.9 SE 131°	1.0 SE 136°	1.1 SE 127°	1.1 ESE 119°	1.1 ESE 116°	1.0 ESE 115°	1.0 ESE 114°	1.0 ESE 120°	1.4 SE 141°	1.7 SSE 148°	1.9 SSE 151°	1.9 SSE 156°	1.9 SSE 160°	1.9 SSE 165°	1.9 S 180°	2.0 S 187°	2.1 S 191°
Period(s)	8	8	8	8	9	9	9	8	8	9	9	9	9	9	10	13	13	13	12	11	10	9	9	8
Energy(kJ)	113	109	109	103	103	103	113	119	125	189	207	200	147	147	173	623	974	1121	968	847	733	535	550	540
Wind(km/h)	6 ↑19 ENE	10 ↑25 SE	8 ↑13 SSE	5 ↑14 ESE	10 ↑26 S	9 ↑16 SSW	12 ↑23 SW	13 ↑37 SSW	11 ↑27 SW	12 ↑18 SW	8 ↑18 SSW	6 ↑11 ENE	9 ↑22 NE	10 ↑27 E	4 ↑17 ENE	7 ↑20 NE	10 ↑28 SSE	10 ↑22 SSW	14 ↑30 SSW	19 ↑41 SSW	20 ↑42 SW	24 ↑51 SW	25 ↑57 SW	27 ↑57 SW
Wind state	cross	cross-on	cross-on	cross-on	onshore	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross	cross-off	cross	cross	offshore	onshore	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on
Swell 1	0.8m5s ESE	0.8m5s ESE	0.7m5s ESE	0.6m8s ESE	0.6m8s ESE	0.7m7s ESE	0.7m8s ESE	0.7m8s E	0.7m8s ESE	0.8m9s E	0.8m9s E	0.9m9s E	0.8m8s E	0.8m8s ESE	0.8m9s SE	1.3m11s SE	1.6m11s SSE	1.6m11s SSE	1.6m10s SSE	1.5m9s SSE	1.3m9s SSE	0.9m10s SSW	1.0m11s SSW	1.0m10s SSW
Swell 2	0.5m11s ESE	0.5m11s ESE	0.6m10s E	0.5m10s ESE	0.3m10s ESE	0.4m11s ESE	0.4m7s S	0.4m7s SSE	0.5m7s S	0.6m7s S	0.5m8s ESE	0.6m6s S	0.5m6s S	0.4m9s SE	0.4m7s ENE	0.3m11s SE	0.5m16s S	0.7m14s SE	0.7m13s S	0.8m12s S	1.0m11s S	0.7m10s SSW	0.6m8s S	0.5m9s SSE
Tides	▲ High0.3m	▲ High0.2m	▲ High0.6m	▲ High0.2m	▲ High0.3m	▲ High0.6m	▲ High0.1m	▲ High0.4m	▲ High0.6m	▲ High0.0m	▲ High0.4m	▲ High0.5m	▼ Low0.1m	▲ High0.5m	▲ High0.5m	▼ Low0.2m	▲ High0.5m	▲ High0.4m	▼ Low0.3m	▲ High0.5m	▲ High0.4m	▼ Low0.3m	▲ High0.4m	▲ High0.4m
Cloud cover
Rain(mm)	-	-	-	-	-	-	-	-	-			-	-	-	-		-	-	-	-	-	-	-	-
Air	27°C	28°C	26°C	26°C	28°C	26°C	27°C	27°C	26°C	27°C	27°C	25°C	26°C	27°C	25°C	26°C	28°C	26°C	29°C	30°C	28°C	30°C	30°C	29°C
Water	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	29°C	28°C	29°C	29°C	29°C	29°C	29°C	28°C	29°C	28°C
UV Index	7	8	1	7	7	1	7	7	0	7	7	0	6	7	0	7	7	1	7	7	1	5	5	0

Map

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Onjuku

Onjuku is a beginner-friendly beach break in Chiba with inconsistent waves and cold water requiring wetsuits.

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