Asakawa 48 hour detailed Surf Forecast

Lat Long: 33.63° N 134.38° E

Issued: 2 am 21 Oct 2026 (local time)

Forecast update in hr min

Today's Asakawa sea temperature is

26.2°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 (21 Oct):

Morning surf: Morning surf (21 Oct, local time) - 6.5ft (2.0m), 15s period with SSE swell.
Afternoon surf: Afternoon surf (21 Oct, local time) - 8ft (2.4m), 16s period with SSE swell.
Evening surf: Evening surf (21 Oct, local time) - 8ft (2.5m), 15s period with SSE swell.

The current surf forecast for Asakawa at 5AM is: 1.1m 16s primary swell from a South-southeast direction and 1.4m 12s secondary swell from a Southeast direction, 1.0m 5s secondary swell from a South-southwest direction (forecast issued at 02:00am October 21). The wind direction is predicted to be cross-shore.

Time (JST) & Date	Wave Height	Wave Period
Morning (21 Oct)	6.5ft (2.0m)	15s
Afternoon (21 Oct)	8ft (2.4m)	16s
Evening (21 Oct)	8ft (2.5m)	15s

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

	Short Range Forecast Heavy rain (total 100mm), heaviest during Fri night. Warm (max 28°C on Wed afternoon, min 14°C on Thu night). Wind will be generally light.
	Wednesday 21								Thursday 22								Friday 23
	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)	3	3	2	2	2	2	3	4	4	4	4	4	3	3	3	2	3	4	4	4	3	4	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SE 13	SSE 13	SSE 15	SSE 15	SSE 16	SSE 16	SSE 15	SSE 15	SSE 15	SSE 15	SSE 14	SSE 14	S 14	SSE 14	S 14	S 15	S 14	S 14	S 14	S 15	S 14	S 14	SSW 14	SSW 15
Wave Graph
kJ	816	998	744	1835	2414	2766	2560	2999	3308	2895	2098	2488	2065	1428	1902	881	1671	1603	1192	1860	1686	1691	1512	746
Wind (km/h)	SW	WSW	SW	SW	SW	SW	WSW	NNW	NE	NNE	N	N	NNE	NNE	N	NNE	N	NNE	N	NNE	ENE	E	ESE	E
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross	cross	cross	cross	cross	off	cross-off	cross-off	off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	off	cross-off	cross	glassy	cross-on	cross-on
High Tide		1:33AM1.28m					3:15PM1.53m			2:47AM1.40m					3:39PM1.61m				3:39AM1.54m				4:04PM1.69m
Low Tide				8:17AM0.63m					9:18PM0.90m				9:06AM0.57m				9:46PM0.71m				9:47AM0.54m


	—	—	6:11	—	—	—	—	—	—	—	6:11	—	—	—	—	—	—	—	6:11	—	—	—	—	—
	—	—	—	—	—	5:22	—	—	—	—	—	—	—	5:21	—	—	—	—	—	—	—	5:20	—	—
mm	—	—	—	—	—	—	—	1	—	—	—	—	—	—	—	—	—	—	—	—	—	5	19	12
Temp °C	24	23	24	26	27	28	25	23	22	20	17	18	21	20	17	15	14	14	14	18	19	20	21	21
Feels °C	26	24	26	27	27	29	28	26	24	21	16	16	18	16	13	10	10	11	11	17	19	22	20	20
Swell 1 Height (m) Direction Period (s)	SE 13	SSE 13	SE 12	SSE 15	SSE 16	SSE 16	SSE 15	SSE 15	SSE 15	SSE 15	SSE 14	SSE 14	S 14	SSE 14	S 14	S 13	S 14	S 14	S 14	S 15	S 14	S 14	ESE 8	ESE 9
kJ	816	998	590	1835	2414	2766	2560	2999	3308	2895	2098	2488	2065	1428	1902	878	1671	1603	1192	1860	1686	1691	562	586
Swell 2 Height (m) Direction Period (s)	SSE 17	SSE 16	SSE 15	SE 12	ESE 9	S 19	S 19	SW 6	SW 6	SW 5	S 18	ESE 9	ESE 9	S 17	ESE 10	S 15	ESE 10	ESE 10	SSW 16	ESE 10	ESE 9	ESE 8	SSW 14	S 13
kJ	665	480	744	590	45	854	891	33	31	12	628	56	56	783	63	881	63	63	677	83	222	486	1512	663
Swell 3 Height (m) Direction Period (s)	—	—	—	ESE 10	—	SSE 6	—	SW 6	—	WSW 5	ESE 9	—	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	SE 10	—	—	—	—	SSW 15
kJ	—	—	—	74	—	10	—	62	—	11	55	—	81	63	81	61	63	63	96	—	—	—	—	746
Wind waves Height (m) Direction Period (s)	—	SSW 5	SSW 5	SSW 5	SW 5	SSW 5	SW 5	—	NNE 5	NNE 5	NNE 6	NNE 6	NNE 5	NNE 5	NNE 5	NNE 5	NNE 5	NNE 5	NNE 5	NNE 4	ESE 8	—	—	—
kJ	—	44	42	56	57	72	42	—	59	31	27	34	44	80	80	98	61	56	24	15	383	—	—	—
Nearest Offshore or Glassy	Dead Man's Land Shikoku	Takegashima Shikoku	Takegashima Shikoku	Takegashima Shikoku	Takegashima Shikoku	Takegashima Shikoku	Dead Man's Land Shikoku	Asakawa Shikoku	Asakawa Shikoku	Asakawa Shikoku	Asakawa Shikoku	Asakawa Shikoku	Shishikui Beach Shikoku	Monabe Rivermouth Shikoku	Yasuda Rivermouth Shikoku	Yasuda Rivermouth Shikoku	Tainohama Shikoku	Asakawa Shikoku	Asakawa Shikoku	Asakawa Shikoku	Gomoda Shikoku	Asakawa Shikoku	Yasuda Rivermouth Shikoku	Niyodo Rivermouth Shikoku
Rating (10 max)	4	4	4	4	4	5	5	4	4	4	4	4	4	3	4	4	4	4	4	4	4	4	5	4
Distance (km)	2	11	11	11	11	11	2	0	0	0	0	0	6	57	43	43	22	0	0	0	41	0	43	64
Best forecast wave conditions in Shikoku	Takegashima	Takegashima	Niyodo Rivermouth	Takegashima	Takegashima	Takegashima	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Kaifu Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Yasuda Rivermouth	Niyodo Rivermouth
Rating (10 max)	4	4	4	4	4	5	5	5	5	4	5	5	4	4	4	4	4	4	4	4	4	4	5	4
Best forecast wave conditions in Japan	Takegashima Shikoku	Takegashima Shikoku	Niyodo Rivermouth Shikoku	Takegashima Shikoku	Takegashima Shikoku	Takegashima Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Kaifu Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Yasuda Rivermouth Shikoku	Niyodo Rivermouth Shikoku
Rating (10 max)	4	4	4	4	4	5	5	5	5	4	5	5	4	4	4	4	4	4	4	4	4	4	5	4
Header Global	Cyclops Australia	Cyclops Australia	Cyclops Australia	Cyclops Australia	Virac Harbour Philippines	Virac Harbour Philippines	Super Tubes South Africa	Lucky Point Philippines	Lucky Point Philippines	Haga-Haga South Africa	Riet River South Africa	Haga-Haga South Africa	Barbel Point South Africa	Easter Reef Australia	Trial Harbour Australia	Benkunqut Indonesia	Batu Mandi Indonesia	Bali Village Indonesia	Bali Village Indonesia	Luna Park Australia	Bommie Peak Indonesia	Bawa Indonesia	Trial Harbour Australia	Luna Park Australia
Rating (10 max)	6	6	7	7	6	6	6	9	9	9	8	7	5	5	6	5	5	6	6	6	5	5	7	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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Asakawa 48 hour detailed Surf Forecast

How big are the waves at Asakawa today (21 Oct):

Short Range Forecast

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