Asakawa 48 hour detailed Surf Forecast

Lat Long: 33.63° N 134.38° E

Issued: 2 am 19 Jul 2026 (local time)

Forecast update in hr min

Today's Asakawa sea temperature is

27.6° C

Asakawa 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 Asakawa today (19 Jul):

Morning surf: Morning surf (19 Jul, local time) - 1ft (0.3m), 9s period with ESE swell.
Afternoon surf: Afternoon surf (19 Jul, local time) - 1ft (0.3m), 10s period with ESE swell.
Evening surf: Evening surf (19 Jul, local time) - 1ft (0.3m), 9s period with ESE swell.

The current surf forecast for Asakawa at 7AM is: 0.4m 8s primary swell from a Southeast direction and 0.3m 5s secondary swell from a East-southeast direction (forecast issued at 02:00am July 19). The wind direction is predicted to be glassy.

Time (JST) & Date	Wave Height	Wave Period
Morning (19 Jul)	1ft (0.3m)	9s
Afternoon (19 Jul)	1ft (0.3m)	10s
Evening (19 Jul)	1ft (0.3m)	9s

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

	Short Range Forecast Light rain (total 8mm), mostly falling on Tue afternoon. Warm (max 31°C on Sun morning, min 26°C on Sun night). Wind will be generally light.
	Sunday 19								Monday 20								Tuesday 21
	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	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 Period (s)	SE 8	ESE 10	SE 8	ESE 9	ESE 9	ESE 10	ESE 10	ESE 9	SE 9	ESE 9	ESE 9	ESE 9	SE 7	SE 7	ESE 11	ESE 9	ESE 7	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11
Wave Graph
kJ	24	30	23	17	17	18	18	17	20	32	32	31	14	13	12	27	9	23	12	11	23	23	22	22
Wind (km/h)	S	WSW	WSW	S	SSE	S	S	SW	WSW	WSW	WSW	S	SSE	S	SSW	WSW	W	NW	N	ESE	S	SSW	SSW	W
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	on	cross	glassy	on	on	on	cross-on	cross-on	cross	cross	glassy	cross-on	on	on	cross-on	cross	glassy	glassy	glassy	glassy	on	cross-on	cross-on	cross-off
High Tide	9:08PM1.72m			8:52AM1.63m					9:39PM1.67m				9:44AM1.49m				10:10PM1.62m				10:46AM1.35m
Low Tide			3:02AM0.69m				3:11PM0.45m				3:49AM0.67m				3:45PM0.65m				4:40AM0.66m				4:20PM0.84m


	—	5:05	—	—	—	—	—	—	—	5:05	—	—	—	—	—	—	—	5:05	—	—	—	—	—	—
	—	—	—	—	—	—	7:12	—	—	—	—	—	—	—	7:10	—	—	—	—	—	—	—	7:09	—
mm	1	—	—	—	—	—	—	—	—	—	—	—	—	—	1	—	—	—	—	—	1	2	2	2
Temp °C	27	27	27	29	31	30	29	27	26	26	26	30	31	30	29	28	27	27	27	30	30	31	30	28
Feels °C	33	33	33	34	35	34	34	32	31	31	30	35	35	35	34	34	32	32	33	36	35	36	36	33
Swell 1 Height (m) Direction Period (s)	SE 8	ESE 10	SE 8	ESE 5	ESE 5	SE 5	ESE 10	SE 4	SE 5	ESE 9	ESE 9	ESE 9	SE 7	SE 7	ESE 7	ESE 9	ESE 7	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11
kJ	24	30	23	10	9	6	18	5	6	32	32	31	13	13	10	27	9	23	12	11	23	23	22	22
Swell 2 Height (m) Direction Period (s)	E 9	SE 4	ESE 5	ESE 9	ESE 9	ESE 10	SE 8	ESE 9	ESE 9	SSE 9	SSE 9	SSE 9	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	ESE 7	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8
kJ	7	4	5	17	17	18	10	17	16	8	7	7	14	7	7	7	7	4	7	7	7	6	6	6
Swell 3 Height (m) Direction Period (s)	E 8	SE 8	E 9	SE 8	SE 8	SE 8	SE 12	SSE 7	SE 9	ESE 12	ESE 12	ESE 12	E 9	ESE 11	ESE 11	ESE 11	S 3	SSE 8	ESE 6	ESE 6	ESE 6	ESE 6	ESE 6	SE 6
kJ	5	17	15	10	9	9	6	5	20	14	14	14	6	12	12	12	1	7	4	4	4	4	4	1
Wind waves Height (m) Direction Period (s)	SE 3	SSW 3	—	—	—	S 4	SSE 5	SW 6	SSW 5	SSW 5	—	—	—	—	S 3	S 3	SSW 3	SW 8	—	—	—	—	SW 3	SW 3
kJ	3	1	—	—	—	1	9	5	3	3	—	—	—	—	1	2	2	15	—	—	—	—	2	3
Nearest Offshore or Glassy	Niyodo Rivermouth Shikoku	Dead Man's Land Shikoku	Shishikui Beach Shikoku	Yasuda Rivermouth Shikoku	Susuki Shizuoka	Osaki Point Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Ikumi Beach Shikoku	Dead Man's Land Shikoku	Dead Man's Land Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Ikumi Beach Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Susuki Shizuoka	Osaki Point Shikoku	Lena Kyu Shu
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	64	2	6	43	370	30	30	30	14	2	2	30	30	30	30	14	30	30	30	30	30	370	30	303
Best forecast wave conditions in Shikoku	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth		Osaki Point	Osaki Point	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Osaki Point	Osaki Point	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Osaki Point		Osaki Point
Rating (10 max)	1	1	1	1		1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1
Best forecast wave conditions in Japan	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niijima - Habushiura Izu Islands	Niijima - Awaii Izu Islands	Shimoda Yamatoken (Tatado Hama) Shizuoka	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Susuki Shizuoka	Kudaka Okinawa	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba
Rating (10 max)	1	1	1	1	2	1	1	1	1	1	1	1	1	1	2	3	1	1	1	1	2	1	1	2
Header Global	Seconds (White Rock) New Zealand	Kaka Point New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	White Rock - The Spit New Zealand	Seconds (White Rock) New Zealand	Ning Nong Point and Reef New Zealand	Last Chance New Zealand	Seconds (White Rock) New Zealand	Diners Beach New Zealand	Trial Harbour Australia	Aganoa Beach Samoa	Aganoa Beach Samoa	Papatowai New Zealand	Benkunqut Indonesia
Rating (10 max)	6	5	6	6	6	7	7	7	8	7	6	5	5	8	7	5	5	5	5	5	4	4	5	4

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

Latest Updates

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Asakawa 48 hour detailed Surf Forecast

How big are the waves at Asakawa today (19 Jul):

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