Kaiser's (Hachijojima Island) Surf Forecast

/ Izu Islands (6 surf breaks) /

Japan (129 surf breaks)

Surf Forecasts:

Kaiser's (Hachijojima Island) surfForecast / Izu Islands / Japan

48hr Weather and Surf, issued 2 am Monday 25 Aug 2025 JST

Forecast update in hr min s Forecast update imminent

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

Today's Kaiser's (Hachijojima Island) sea temperature is 28.5° C
(Which is slightly warmer than usual)

How big are the waves at Kaiser's (Hachijojima Island) today?

The current surf forecast for Kaiser's (Hachijojima Island) at 4AM is: 0.4m 8s primary swell from a Southeast direction and 0.3m 8s secondary swell from a East-northeast direction (forecast issued at 02:00am August 25). An open ocean swell of 0.5m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (25 Aug)	1.5ft (0.4m)	9s
Afternoon (25 Aug)	1.5ft (0.5m)	8s
Evening (25 Aug)	1.5ft (0.4m)	8s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Monday 25								Tuesday 26								Wednesday 27
	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	6 PM	9 PM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	ESE	ESE	SE	SE	SE	E	E	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	E	E	E	E	ESE	ESE	E
Period(s) (?)	8	8	9	9	9	8	8	8	8	8	8	8	9	10	10	10	10	10	9	9	9	9	9	9
Wave Graph (?)
Energy (?)	38	47	40	32	31	36	40	34	27	27	34	34	35	32	31	32	35	56	52	48	47	51	59	70
Wind (km/h)	SW	WSW	WSW	WSW	WSW	WSW	SW	SW	SW	WSW	SW	SSW	SSW	SSW	SW	SSW	SSW	SSW	SW	SW	SW	SW	SW	SW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross	cross	cross	cross- off	cross	cross	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off
High Tide / height (m)			5:55AM 1.64					6:54PM 1.63				6:31AM 1.62				7:11PM 1.66				7:08AM 1.57				7:26PM 1.66
Low Tide / height (m)		12:06AM 0.82				12:27PM 0.43				12:38AM 0.80				12:51PM 0.58				1:09AM 0.77				1:12PM 0.72

	Monday 25								Tuesday 26								Wednesday 27
Sunrise	-	-	5:09	-	-	-	-	-	-	-	5:09	-	-	-	-	-	-	-	5:11	-	-	-	-	-
Sunset	-	-	-	-	-	-	6:15	-	-	-	-	-	-	-	6:14	-	-	-	-	-	-	-	6:13	-

Rain (mm)	-	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	28	28	28	28	28	29	29	28	28	28	28	28	28	28	28	28	28	27	27	28	28	28	28	28
Feels °C (?)	31	31	32	32	31	32	33	32	32	32	33	32	31	31	31	31	30	28	29	30	30	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 Continuing clean conditions at Kaiser's (Hachijojima Island) (light winds from the W at Hachijojima 8 km from Kaiser's (Hachijojima Island)). 0.4m 8s swell from the E with a 0.1m 9s swell from the NNE. 2 swells combining to make bigger set waves.
2 hours 13 minutes ago Kaiser's (Hachijojima Island)

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2 h 13 min ago

6 km/h

Clean

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