Santos (Hachijojima Island) 48 hour detailed Surf Forecast

Lat Long: 33.07° N 139.84° E

Issued: 8 am 17 Jul 2026 (local time)

Forecast update in hr min

Today's Santos (Hachijojima Island) sea temperature is

27.7° C

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

Surf Forecasts:

How big are the waves at Santos (Hachijojima Island) today (17 Jul):

Morning surf: Morning surf (17 Jul, local time) - 3ft (0.9m), 9s period with E swell.
Afternoon surf: Afternoon surf (17 Jul, local time) - 3.5ft (1.0m), 9s period with E swell.
Evening surf: Evening surf (17 Jul, local time) - 3ft (0.9m), 9s period with E swell.

The current surf forecast for Santos (Hachijojima Island) at 11AM is: 0.9m 9s primary swell from a East direction and 0.4m 3s secondary swell from a Southeast direction (forecast issued at 08:00am July 17). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (17 Jul)	3ft (0.9m)	9s
Afternoon (17 Jul)	3.5ft (1.0m)	9s
Evening (17 Jul)	3ft (0.9m)	9s

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

	Short Range Forecast Mostly dry. Warm (max 27°C on Fri morning, min 26°C on Fri night). Wind will be generally light.
	Friday 17						Saturday 18								Sunday 19
	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	12 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
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 8	E 9	E 9	E 9	E 9	E 9	E 9	E 10	E 10	E 9	E 9	E 9	E 9	E 9	E 9
Wave Graph
kJ	122	125	122	146	119	119	117	115	126	103	162	162	168	205	219	255	241	235	198	198	203	235
Wind (km/h)	SSE	SSE	SSE	SE	SE	SE	SE	SE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SE	SE	SSE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-on	cross-on	cross-on	cross-on	on	on	on	on	on	on	on	on	on	on	on	on	on	on	on	cross-on	cross-on
High Tide		6:22AM1.55m				8:11PM1.45m				7:13AM1.52m				8:39PM1.47m				8:05AM1.45m
Low Tide				1:24PM0.11m				1:29AM0.85m				2:02PM0.32m				2:16AM0.83m				2:35PM0.54m


	4:43	—	—	—	—	—	—	4:43	—	—	—	—	—	—	—	4:43	—	—	—	—	—	—
	—	—	—	—	6:49	—	—	—	—	—	—	—	6:49	—	—	—	—	—	—	—	6:47	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	27	27	27	27	27	27	27	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26
Feels °C	29	29	28	29	28	28	29	27	28	27	27	28	27	28	28	28	28	28	29	28	28	29
Swell 1 Height (m) Direction Period (s)	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 8	E 9	E 9	E 9	E 9	E 9	E 9	E 10	E 10	E 9	E 9	E 9	E 9	E 9	E 9
kJ	122	125	122	146	119	119	117	115	126	103	162	162	168	205	219	255	241	235	198	198	203	235
Swell 2 Height (m) Direction Period (s)	WSW 7	WSW 7	WSW 7	SW 7	WSW 7	WSW 7	WSW 7	WSW 7	SE 8	WSW 7	WSW 7	SE 8	SE 8	WSW 8	WSW 8	WSW 7	WSW 7	WSW 9	SE 7	SE 7	SE 7	WSW 8
kJ	61	61	68	54	46	43	33	32	43	27	19	30	29	48	44	19	19	30	27	27	19	24
Swell 3 Height (m) Direction Period (s)	SW 10	SE 10	SE 9	SW 10	SE 9	SE 8	SW 9	SE 9	WSW 7	SE 8	SE 8	WSW 7	WSW 7	SE 7	SE 8	SE 7	S 8	S 8	WSW 9	WSW 9	WSW 9	S 8
kJ	24	23	21	23	27	24	20	19	27	33	31	18	18	27	20	14	11	11	30	29	29	10
Wind waves Height (m) Direction Period (s)	SE 3	SSE 3	SE 3	SE 3	SE 3	SE 3	SE 3	SE 3	SE 3	ESE 3	ESE 4	—	—	—	—	—	—	—	—	—	—	—
kJ	2	4	4	4	5	6	4	4	2	4	8	—	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Niijima - Habushiura Izu Islands	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Aoshima Harbour Kyu Shu	Ohara Chiba	Ohara Chiba	Ohara Chiba	Mera Chiba	Mera Chiba	Ohara Chiba	Ohara Chiba	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Kisami-Ohama Beach Shizuoka	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Ohara Chiba
Rating (10 max)	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2
Distance (km)	152	191	191	191	191	797	249	249	249	204	204	249	249	191	191	191	191	196	191	191	191	249
Best forecast wave conditions in Izu Islands	Niijima - Awaii	Keta Reef Oshima	Keta Reef Oshima	Keta Reef Oshima	Keta Reef Oshima									Keta Reef Oshima	Keta Reef Oshima	Keta Reef Oshima	Keta Reef Oshima		Keta Reef Oshima	Keta Reef Oshima	Keta Reef Oshima
Rating (10 max)	2	1	1	1	1									1	1	1	1		1	1	1
Best forecast wave conditions in Japan	Kamogawa Chiba	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Omaezaki Shizuoka	Kojima Kyu Shu	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Kudaka Okinawa	Rocky Point Okinawa	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Keta Reef Oshima Izu Islands	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba
Rating (10 max)	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	1	2
Header Global	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Kleinemonde South Africa	Otago Peninsula - Allans Beach New Zealand	Dunedin - Kuri Bush New Zealand	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Seconds (White Rock) New Zealand	Papatowai New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Papatowai New Zealand	Seconds (White Rock) New Zealand	Dunedin - Cob Cottage New Zealand	Kaka Point New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand
Rating (10 max)	5	5	6	6	6	5	5	6	7	7	6	9	9	9	8	8	6	6	6	6	6	6

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

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Santos (Hachijojima Island) 48 hour detailed Surf Forecast

How big are the waves at Santos (Hachijojima Island) today (17 Jul):

Short Range Forecast

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