Asakawa 48 hour detailed Surf Forecast

Lat Long: 33.63° N 134.38° E

Issued: 8 pm 21 Jul 2026 (local time)

Forecast update in hr min

Today's Asakawa sea temperature is

28.0° 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 (22 Jul):

Morning surf: Morning surf (22 Jul, local time) - 1ft (0.3m), 11s period with ESE swell.
Afternoon surf: Afternoon surf (22 Jul, local time) - 0.5ft (0.2m), 10s period with ESE swell.
Evening surf: Evening surf (22 Jul, local time) - 0.5ft (0.2m), 11s period with ESE swell.

The current surf forecast for Asakawa at 5AM is: 0.3m 11s primary swell from a East-southeast direction and 0.2m 3s secondary swell from a South-southwest direction, 0.3m 3s secondary swell from a Southwest direction (forecast issued at 08:00pm July 21). The wind direction is predicted to be glassy.

Time (JST) & Date	Wave Height	Wave Period
Morning (22 Jul)	1ft (0.3m)	11s
Afternoon (22 Jul)	0.5ft (0.2m)	10s
Evening (22 Jul)	0.5ft (0.2m)	11s

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

	Short Range Forecast Moderate rain (total 12mm), heaviest on Fri afternoon. Warm (max 32°C on Thu afternoon, min 27°C on Tue night). Wind will be generally light.
	Tue 21		Wednesday 22								Thursday 23
	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
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 10	ESE 10	ESE 11	ESE 11	SW 4	SE 9	SE 10	SE 10	SE 10	SE 10	SE 10
Wave Graph
kJ	22	22	22	22	22	22	22	11	11	11	11	11	14	25	25	25	25	16
Wind (km/h)	SW	WSW	WSW	W	NW	ESE	SE	S	SSW	WSW	W	NW	NNW	ESE	SSE	SSW	SW	W
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross	cross	cross-off	glassy	glassy	on	cross-on	cross-on	cross	cross-off	glassy	glassy	glassy	on	cross-on	cross-on	cross-off
High Tide			10:42PM1.56m					12:10PM1.25m			11:21PM1.50m					2:11PM1.24m
Low Tide	4:20PM0.84m				5:41AM0.66m				5:01PM1.01m					6:53AM0.64m				6:12PM1.14m


	—	—	—	5:07	—	—	—	—	—	—	—	5:07	—	—	—	—	—	—
	7:09	—	—	—	—	—	—	—	7:09	—	—	—	—	—	—	—	7:08	—
mm	1	—	—	—	—	—	—	1	—	—	—	—	—	—	1	1	2	1
Temp °C	30	28	28	27	27	30	31	31	30	28	28	28	28	30	31	32	30	29
Feels °C	35	33	33	32	32	35	36	36	35	33	33	34	34	36	35	37	35	35
Swell 1 Height (m) Direction Period (s)	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 11	ESE 10	ESE 10	ESE 11	ESE 11	SW 4	SSW 4	SE 10	SE 10	SE 10	SE 10	SE 10
kJ	22	22	22	22	22	22	22	11	11	11	11	3	1	25	25	25	25	16
Swell 2 Height (m) Direction Period (s)	SSE 8	SSE 8	SSE 8	SSE 8	SSW 3	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	ESE 11	SE 9	SSW 4	SSW 4	SE 19	S 8	SE 19
kJ	6	6	6	6	1	6	6	6	6	6	6	11	14	1	1	15	4	14
Swell 3 Height (m) Direction Period (s)	ESE 6	ESE 6	SE 6	SE 6	SSE 8	SSW 3	S 7	S 7	S 8	SE 10	SE 11	SE 11	ESE 10	SE 20	SE 20	S 8	SE 19	SE 8
kJ	4	4	2	1	6	1	1	1	1	4	4	4	10	15	15	5	15	3
Wind waves Height (m) Direction Period (s)	SW 3	SW 3	SW 3	SW 3	SW 4	SW 3	SSW 3	SSW 3	SW 3	SW 3	SW 3	SW 4	SW 4	—	—	SSW 4	SW 3	SW 3
kJ	2	2	1	2	4	3	1	1	2	3	4	10	7	—	—	1	2	2
Nearest Offshore or Glassy	Osaki Point Shikoku	Golfcourse Kyu Shu	Osaki Point Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Osaki Point Shikoku	Yona Bay Okinawa	Okuragahama Kyu Shu	Okuragahama Kyu Shu	Akabane Long Beach Shizuoka	Kanegahama Kyu Shu	Okuragahama Kyu Shu	Shishikui Beach Shikoku	Kisami-Ohama Beach Shizuoka	Susuki Shizuoka	Ikumi Beach Shikoku	Akabane Long Beach Shizuoka
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	30	336	30	30	30	30	30	967	289	289	282	293	289	6	433	370	14	282
Best forecast wave conditions in Shikoku	Osaki Point		Osaki Point	Yasuda Rivermouth	Niyodo Rivermouth	Yasuda Rivermouth	Osaki Point							Shishikui Beach			Ikumi Beach
Rating (10 max)	1		1	1	1	1	1							1			1
Best forecast wave conditions in Japan	Kudaka Okinawa	Torami Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Niyodo Rivermouth Shikoku	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Castles Okinawa	Castles Okinawa	Castles Okinawa	Suruga Bay Shizuoka	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Malibu Chiba	Mera Chiba	Mera Chiba	Susuki Shizuoka	Mera Chiba	Kuminatu Chiba
Rating (10 max)	1	2	2	2	1	2	1	1	1	1	1	1	2	2	1	1	1	1
Header Global	Asu Indonesia	Cape St Martin South Africa	Albatross South Africa	Sea Vista South Africa	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Gas Bay Australia	Cobblestones Australia	Gas Bay Australia	Cobblestones Australia	Cathedral Rock Australia	Cathedral Rock Australia	Viri Inga O Tuki Chile	Aufaga Village Samoa	Cobblestones Australia	Boneyards South Africa	Albatross South Africa
Rating (10 max)	4	4	4	5	5	5	6	6	5	5	5	8	5	6	4	4	4	4

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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Asakawa 48 hour detailed Surf Forecast

How big are the waves at Asakawa today (22 Jul):

Short Range Forecast

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