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

12 Day Weather and Surf, issued 8 pm Sunday 24 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)

Best Forecast Surf Conditions for Kaiser's (Hachijojima Island) this week:

The surf forecast for Kaiser's (Hachijojima Island) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 28) at 6AM. The primary swell is predicted to be 0.6m and 9s period with a secondary swell of 0.3m and 7s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Kaiser's (Hachijojima Island) in the next 12 days are 0.6m 11s and forecast to arrive on Friday (Aug 29) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 6s period and expected on Sunday (Aug 31) at 12PM.

Wave Type	Time (JST) & Date	Wave Height & Period
Next good surf (1 star+)	6AM (Thu 28th Aug)	2ft (0.6m) 9s
Best Surf	6AM (Thu 28th Aug)	2ft (0.6m) 9s
Most Powerful	12PM (Fri 29th Aug)	2ft (0.6m) 11s

Table - best surf conditions forecast for Kaiser's (Hachijojima Island) over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Some drizzle, heaviest during Sun night. Warm (max 29°C on Mon afternoon, min 27°C on Tue night). Wind will be generally light.										Days 3-6 Weather Summary Some drizzle, heaviest during Fri morning. Warm (max 28°C on Wed night, min 28°C on Wed night). Wind will be generally light.
		Monday 25			Tuesday 26			Wednesday 27			Thursday 28			Friday 29			Saturday 30			Sun 31
	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	1	1	1	1	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	ESE	SE	E	ESE	ESE	ESE	ESE	E	ESE	E	ESE	E	SE	SE	SE	E	ESE	SE	ESE	SE	ESE
Period(s) (?)	8	9	8	8	8	10	10	9	9	9	9	9	9	11	11	9	10	10	9	10	9
Wave Graph (?)
Energy (?)	41	39	33	27	34	32	36	50	51	72	65	78	90	96	113	120	157	152	112	82	51
Wind (km/h)	SW	WSW	SW	WSW	SW	SW	SW	WSW	SW	SW	WSW	SW	SW	WSW	SW	SW	WSW	WSW	WSW	W	W
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- off	cross- off	cross- off	cross- off	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	7:46AM 1.49		7:42PM 1.64	8:31AM 1.39		7:57PM 1.60	9:29AM 1.27		8:13PM 1.52	11:20AM 1.16
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	1:42AM 0.74		1:31PM 0.85	2:18AM 0.72		1:49PM 0.96	3:00AM 0.70		2:03PM 1.06		3:58AM 0.68	1:48PM 1.14

		Monday 25			Tuesday 26			Wednesday 27			Thursday 28			Friday 29			Saturday 30			Sun 31
Sunrise	-	5:09	-	-	5:09	-	-	5:11	-	-	5:11	-	-	5:11	-	-	5:13	-	-	5:13	-
Sunset	-	-	6:15	-	-	6:14	-	-	6:13	-	-	6:12	-	-	6:09	-	-	6:08	-	-	6:07

Rain (mm)	1	-	-	-	-	-	-	-	-	-	-	-	-	1	-	-	-	-	-	1	-
Temp. °C	28	28	29	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28	28
Feels °C (?)	31	32	33	31	32	31	31	30	29	30	31	31	31	31	30	31	31	31	31	31	31

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 WSW at Hachijojima 8 km from Kaiser's (Hachijojima Island)). 0.4m 8s swell from the E with a 0.1m 8s swell from the NNE. 2 swells combining to make bigger set waves.
1 hour 58 minutes ago Kaiser's (Hachijojima Island)

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1 h 58 min ago

7 km/h

WSW

Clean

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Kaiser's (Hachijojima Island) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

Information about the Kaiser's (Hachijojima Island) Surf forecast

The above surf forecast table for Kaiser's (Hachijojima Island) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Kaiser's (Hachijojima Island) can be found by selecting the local surf guide option on the grey menu. Our Kaiser's (Hachijojima Island) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kaiser's (Hachijojima Island)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Kaiser's (Hachijojima Island) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Kaiser's (Hachijojima Island) is 191 km (119 miles) from Oshima. If you plan a holiday in Izu Islands, look for hotels and other accommodation in Oshima. Oshima has rooms for a wide range of budgets as well as car hire and transport links.