Kuminatu 48 hour detailed Surf Forecast

Lat Long: 35.12° N 140.24° E

Issued: 8 am 15 Jul 2026 (local time)

Forecast update in hr min

Today's Kuminatu sea temperature is

25.2° C

Kuminatu 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 Kuminatu today (15 Jul):

Morning surf: Morning surf (15 Jul, local time) - 2ft (0.6m), 10s period with SSW swell.
Afternoon surf: Afternoon surf (15 Jul, local time) - 1.5ft (0.5m), 10s period with E swell.
Evening surf: Evening surf (15 Jul, local time) - 2.5ft (0.7m), 9s period with E swell.

The current surf forecast for Kuminatu at 2PM is: 0.5m 10s primary swell from a East direction and 0.5m 9s secondary swell from a Southwest direction, 0.5m 3s secondary swell from a South direction (forecast issued at 08:00am July 15). The wind direction is predicted to be cross-onshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (15 Jul)	2ft (0.6m)	10s
Afternoon (15 Jul)	1.5ft (0.5m)	10s
Evening (15 Jul)	2.5ft (0.7m)	9s

Table - waves today at Kuminatu. (Swell directed towards the surf break)

	Short Range Forecast Light rain (total 3mm), mostly falling on Thu night. Warm (max 28°C on Wed morning, min 25°C on Fri night). Wind will be generally light.
	Wednesday 15						Thursday 16								Friday 17								Sat 18
	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	12 AM	3 AM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSW 10	SSW 10	SSW 9	E 10	SW 9	E 9	E 9	E 9	E 8	E 8	E 8	E 8	E 9	E 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	E 8	E 8	E 8
Wave Graph
kJ	85	61	56	47	41	81	102	93	115	115	112	116	127	125	172	199	199	199	203	162	158	147	116	147
Wind (km/h)	SSW	SSW	S	S	S	S	S	SSW	SW	SSW	S	S	S	S	SSW	SSE	SSE	SSE	SE	SE	ESE	ESE	SE	SE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	on	on	on	on	cross-on	cross-on	cross-on	cross-on	cross-on
High Tide	4:06AM1.58m					6:30PM1.49m			4:59AM1.59m					7:02PM1.48m			5:50AM1.55m					7:32PM1.46m
Low Tide			11:20AM-0.11m				11:37PM0.93m					12:03PM-0.03m				00:17AM0.85m				12:43PM0.10m				00:59AM0.78m


	4:35	—	—	—	—	—	—	4:35	—	—	—	—	—	—	—	4:35	—	—	—	—	—	—	—	4:37
	—	—	—	—	6:53	—	—	—	—	—	—	—	6:52	—	—	—	—	—	—	—	6:52	—	—	6:52
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	1	—	—	—	—	—	—	1
Temp °C	26	28	28	28	27	26	26	26	26	28	28	28	27	26	26	26	26	26	27	27	26	25	25	25
Feels °C	29	31	30	30	30	28	28	28	29	32	31	31	31	30	30	30	29	28	29	29	28	28	29	28
Swell 1 Height (m) Direction Period (s)	SSW 10	SSW 10	SSW 9	E 10	SW 9	E 9	E 9	E 9	E 8	E 8	E 8	E 8	E 9	E 9	ESE 9	ESE 9	ESE 9	SW 8	ESE 9	ESE 9	ESE 9	E 8	E 8	E 8
kJ	85	61	56	47	41	81	102	93	115	115	112	116	127	125	172	199	199	20	203	162	158	147	116	147
Swell 2 Height (m) Direction Period (s)	E 9	E 9	E 10	SW 9	E 8	SSW 9	SW 9	SW 9	SW 9	SW 8	SW 8	SW 8	SW 8	SW 8	SW 8	SW 8	SW 8	SE 10	SW 8	SE 8	SW 7	SW 7	S 4	SE 9
kJ	45	43	47	41	31	32	21	20	19	18	18	18	17	23	17	16	20	15	15	25	14	8	3	26
Swell 3 Height (m) Direction Period (s)	SE 10	SE 10	SE 11	ESE 9	ESE 8	SE 9	SE 9	SE 9	SE 9	SSE 9	SSE 9	SE 10	SE 10	SE 10	SE 10	SE 10	SE 10	SE 14	SE 10	SW 8	SE 8	SE 9	SE 9	SW 7
kJ	17	17	18	16	14	14	13	13	14	8	8	16	16	24	16	15	14	8	24	14	10	13	21	8
Wind waves Height (m) Direction Period (s)	—	SSW 3	S 3	S 3	S 4	S 4	S 4	S 5	SSW 5	SSW 5	SSW 5	SSW 5	S 4	S 4	S 4	S 4	S 4	ESE 9	SE 4	SSE 4	SE 4	SSE 4	—	SSE 4
kJ	—	1	2	6	10	15	32	44	42	33	33	29	20	9	18	17	17	199	19	10	14	9	—	3
Nearest Offshore or Glassy	Ohara Chiba	Ohara Chiba	Ohara Chiba	Ohara Chiba	Ohara Chiba	Ohara Chiba	Ohara Chiba	Ohara Chiba	Inamura Point Kanagawa	Ohara Chiba	Ohara Chiba	Ohara Chiba	Ohara Chiba	Ohara Chiba	Ohara Chiba	Ohara Chiba	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Omaezaki Shizuoka	Osaki Point Shikoku	Ohara Chiba	Ohara Chiba	Ohara Chiba	Ohara Chiba
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	1	1	1	1	1	1	1	1	1
Distance (km)	21	21	21	21	21	21	21	21	72	21	21	21	21	21	21	21	91	91	195	586	21	21	21	21
Best forecast wave conditions in Chiba	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Shida	Shida	Shida	Shida	Shida	Shida		Tsurigasaki Surfing Beach (Tokyo 2020)	Shida	Shida	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Shida					Mera	Mera	Mera	Mera
Rating (10 max)	1	1	1	1	1	1	1	1		1	1	1	1	2	2	1					1	1	1	1
Best forecast wave conditions in Japan	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Susuki Shizuoka	Osaki Point Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Yasuda Rivermouth Shikoku	Suruga Bay Shizuoka	Omaezaki Shizuoka	Niijima - Habushiura Izu Islands	Curren's Point Kyu Shu	Niyodo Rivermouth Shikoku	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Niijima - Awaii Izu Islands	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Omaezaki Shizuoka	Kojima Kyu Shu	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku
Rating (10 max)	1	1	1	2	2	2	1	2	2	2	2	1	1	2	2	2	1	1	1	1	1	1	1	1
Header Global	Cathedral Rock Australia	Cathedral Rock Australia	Asu Indonesia	Anawhata Road (Oaonui) New Zealand	Anawhata Road (Oaonui) New Zealand	Balnarring Point Australia	The Hoek South Africa	Cape St Martin South Africa	Hell South Africa	Fish Boma South Africa	Boneyards South Africa	Boneyards South Africa	Dunedin - Cob Cottage New Zealand	Easter Reef Australia	Otago Peninsula - Allans Beach New Zealand	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Papatowai New Zealand	Easter Reef Australia	Cannibal Bay New Zealand	Otago Peninsula - Allans Beach New Zealand	Dunedin - Cob Cottage New Zealand
Rating (10 max)	8	7	4	5	5	4	5	5	5	5	5	5	8	5	5	5	6	6	6	7	5	5	7	5

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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Kuminatu 48 hour detailed Surf Forecast

How big are the waves at Kuminatu today (15 Jul):

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