Santos (Hachijojima Island) Surf Forecast

/ Izu Islands (6 surf breaks) /

Japan (129 surf breaks)

Surf Forecasts:

Santos (Hachijojima Island) surfForecast / Izu Islands / Japan

48hr Weather and Surf, issued 8 pm Friday 05 Sep 2025 JST

Forecast update in hr min s Forecast update imminent

Santos (Hachijojima Island) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Santos (Hachijojima Island) sea temperature is 29.5° C
(Which is 1.8°C warmer than normal for this time of year)

How big are the waves at Santos (Hachijojima Island) today?

The current surf forecast for Santos (Hachijojima Island) at 3AM is: 0.4m 10s primary swell from a East-southeast direction (forecast issued at 08:00pm September 05). An open ocean swell of 3.0m 9s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (06 Sep)	1.5ft (0.4m)	10s
Afternoon (06 Sep)	4.5ft (1.3m)	8s
Evening (06 Sep)	4.5ft (1.4m)	8s

Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Fri 05		Saturday 06								Sunday 07								Monday 08
	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	1	1	0	0	1	2	1	1	2	3	2	2	2
Swell Height Map See all maps
Wave Height (m) & direction (?)	E	ESE	ESE	ESE	ESE	ESE	NNE	NNE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	NE	ENE	NE	NE	NE	NE
Period(s) (?)	10	10	10	10	10	10	8	8	8	8	8	9	9	9	10	10	10	11	11	12	11	11	11	11
Wave Graph (?)
Energy (?)	60	43	37	37	37	45	89	220	249	307	283	399	398	453	446	464	540	633	768	757	693	664	568	541
Wind (km/h)	WSW	WSW	W	NW	ENE	ENE	ENE	ENE	E	ESE	ESE	SE	SSE	S	S	S	S	S	SSW	SW	SW	SW	SW	SW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	off	cross- on	cross- on	cross- on	cross- on	cross- on	on	on	on	cross- on	cross- on	cross- on	cross	cross	cross	cross	cross- off	cross- off	cross- off	cross- off	cross- off
High Tide / height (m)	4:59PM 1.48				3:31AM 1.50				5:19PM 1.55				4:15AM 1.62				5:40PM 1.61				5:00AM 1.70
Low Tide / height (m)			10:10PM 0.97				10:27AM 0.19				10:39PM 0.86				11:02AM 0.21				11:12PM 0.75				11:36AM 0.28

	Fri 05		Saturday 06								Sunday 07								Monday 08
Sunrise	-	-	-	-	5:16	-	-	-	-	-	-	-	5:18	-	-	-	-	-	-	-	5:18	-	-	-
Sunset	6:00	-	-	-	-	-	-	-	6:00	-	-	-	-	-	-	5:59	-	-	-	-	-	-	-	5:57

Rain (mm)	3	1	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	28	28	29	28	27	27	27	27	27	27	27	27	27	27	27	28	28	28	28	28	28	28	28	28
Feels °C (?)	24	25	28	28	28	27	26	27	27	28	29	29	29	29	29	30	30	30	30	30	31	30	30	30

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 Izu Islands

Wind Update Cross-off wind 8 km from Santos (Hachijojima Island) has become light (light winds from the SSW at Hachijojima). Waves should be turning clean at Santos (Hachijojima Island). 0.4m 10s swell from the E with a 0.2m 10s swell from the NNE. 2 swells combining to make bigger set waves.
53 minutes ago Santos (Hachijojima Island)

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Actual: 53 min ago

6 km/h

SSW

Clean

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