Asakawa 48 hour detailed Surf Forecast

Lat Long: 33.63° N 134.38° E

Issued: 2 am 03 Oct 2026 (local time)

Forecast update in hr min

Today's Asakawa sea temperature is

26.8°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 (03 Oct):

Morning surf: Morning surf (03 Oct, local time) - 1.5ft (0.4m), 8s period with SE swell.
Afternoon surf: Afternoon surf (03 Oct, local time) - 1.5ft (0.5m), 8s period with ESE swell.
Evening surf: Evening surf (03 Oct, local time) - 3.5ft (1.0m), 9s period with ESE swell.

The current surf forecast for Asakawa at 7AM is: 0.4m 8s primary swell from a Southeast direction and 0.1m 16s secondary swell from a Southeast direction (forecast issued at 02:00am October 03). An open ocean swell of 1.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (03 Oct)	1.5ft (0.4m)	8s
Afternoon (03 Oct)	1.5ft (0.5m)	8s
Evening (03 Oct)	3.5ft (1.0m)	9s

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

	Short Range Forecast Heavy rain (total 73mm), heaviest during Mon afternoon. Warm (max 24°C on Sat afternoon, min 20°C on Sat morning). Wind will be generally light.
	Saturday 3								Sunday 4								Monday 5
	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	1	1	2	2	2	2	4	3	4	4	4	4	3	3	4	4	4	5
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SE 8	SE 8	ESE 8	SE 8	ESE 8	ESE 8	ESE 8	ESE 9	ESE 10	ESE 10	ESE 10	ESE 10	E 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	SE 14	SE 14	ESE 14
Wave Graph
kJ	33	34	27	18	27	38	73	166	289	356	425	482	1802	2062	2050	1846	1556	1044	1044	1441	1411	1169	1324	2180
Wind (km/h)	N	N	N	NNE	NNE	NE	NNE	N	N	NNE	NNE	NNE	NNE	NE	NNE	NNE	NE	NE	ENE	ENE	NE	NE	N	NNE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross	cross	cross-off	cross-off	off	cross-off
High Tide					11:36AM1.38m				9:18PM1.50m					1:52PM1.40m			11:09PM1.38m						3:03PM1.50m
Low Tide			3:59AM0.36m				3:53PM1.21m				5:29AM0.47m					6:40PM1.26m				7:17AM0.49m				8:42PM1.11m


	—	5:56	—	—	—	—	—	—	—	5:58	—	—	—	—	—	—	—	5:58	—	—	—	—	—	—
	—	—	—	—	—	5:45	—	—	—	—	—	—	—	5:44	—	—	—	—	—	—	—	5:42	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	1	1	2	—	1	1	2	1	5	11	20	16
Temp °C	19	18	17	20	23	24	21	20	20	20	21	21	20	20	20	20	20	20	20	21	21	20	20	20
Feels °C	16	15	14	16	19	21	19	18	19	19	20	21	20	20	21	21	21	21	21	21	22	20	22	22
Swell 1 Height (m) Direction Period (s)	SE 8	SE 8	ESE 8	SE 8	ESE 8	ESE 8	ESE 8	ESE 9	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	SE 18	SE 17	ESE 10	ESE 10	ESE 9	ESE 9	ESE 14
kJ	33	34	27	18	27	38	73	166	289	356	425	482	990	1168	1234	1125	943	452	978	943	800	736	549	2180
Swell 2 Height (m) Direction Period (s)	SE 16	SE 16	SE 16	SE 16	SE 16	SE 15	SE 15	ESE 15	SE 15	SE 15	SE 11	SE 11	E 16	S 20	SSE 18	SE 16	SE 11	SE 12	E 16	SE 16	SE 15	SE 14	SE 14	SE 18
kJ	10	10	10	10	10	9	9	21	8	8	19	75	5	7	31	132	150	116	20	1027	856	1169	1324	1099
Swell 3 Height (m) Direction Period (s)	E 11	E 12	E 12	SE 12	E 12	E 12	E 18	E 19	E 18	E 18	SE 15	E 18	—	—	E 16	SE 12	SE 19	SE 15	E 16	E 15	SE 18	ESE 14	SE 19	E 15
kJ	3	3	3	5	3	3	7	7	6	6	8	6	—	—	20	75	231	54	44	17	388	40	621	17
Wind waves Height (m) Direction Period (s)	NNE 5	NNE 5	NNE 5	NNE 5	NE 5	NNE 5	NE 4	NNE 4	NNE 4	NNE 4	NE 4	NE 4	E 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	—	ESE 10	E 9
kJ	67	67	80	80	57	31	21	12	9	8	15	7	1802	2062	2050	1846	1556	1044	1044	1441	1411	—	1226	715
Nearest Offshore or Glassy	Omaezaki Shizuoka	Akabane Long Beach Shizuoka	Yasuda Rivermouth Shikoku	Yasuda Rivermouth Shikoku	Akabane Long Beach Shizuoka	Akabane Long Beach Shizuoka	Asakawa Shikoku	Asakawa Shikoku	Asakawa Shikoku	Asakawa Shikoku	Asakawa Shikoku	Asakawa Shikoku	Asakawa Shikoku	Tainohama Shikoku	Asakawa Shikoku	Asakawa Shikoku	Asakawa Shikoku	Asakawa Shikoku	Hashikui Bay Shikoku	Tainohama Shikoku	Asakawa Shikoku	Asakawa Shikoku	Asakawa Shikoku	Asakawa Shikoku
Rating (10 max)	1	1	1	1	3	2	1	1	2	2	2	2	4	5	4	4	4	4	4	5	4	4	4	5
Distance (km)	369	282	43	43	282	282	0	0	0	0	0	0	0	22	0	0	0	0	19	22	0	0	0	0
Best forecast wave conditions in Shikoku			Yasuda Rivermouth	Yasuda Rivermouth			Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Tainohama	Kaifu Rivermouth	Kaifu Rivermouth	Yasuda Rivermouth	Nunoshima	Niyodo Rivermouth	Nunoshima	Nunoshima	Nunoshima	Tainohama	Niyodo Rivermouth
Rating (10 max)			1	1			1	3	4	4	4	3	4	5	4	4	4	4	4	5	5	4	5	5
Best forecast wave conditions in Japan	Omaezaki Shizuoka	Omaezaki Shizuoka	Omaezaki Shizuoka	Omaezaki Shizuoka	Akabane Long Beach Shizuoka	Akabane Long Beach Shizuoka	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Tainohama Shikoku	Kaifu Rivermouth Shikoku	Kaifu Rivermouth Shikoku	Unnamed Kyu Shu	Nunoshima Shikoku	Niyodo Rivermouth Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Omaezaki Shizuoka	Niyodo Rivermouth Shikoku
Rating (10 max)	1	2	2	2	3	2	1	3	4	4	4	3	4	5	4	4	5	4	4	5	5	4	5	5
Header Global	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Cobblestones Australia	Cobblestones Australia	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Gas Bay Australia	Cow Bombie Australia	Cow Bombie Australia	Injidup Carpark Australia	Bali Village Indonesia	Puertecillo Chile	Buchupureo Chile	Buchupureo Chile	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Easter Reef Australia	Nunoshima Japan	Barrancon Chile	Boneyards South Africa	Easter Reef Australia
Rating (10 max)	5	6	5	5	6	5	5	5	5	5	5	4	5	5	5	7	7	7	6	5	5	4	4	5

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

Ben Mondy

Six Sun-Soaked Summer Surf Spots: Backed by 20 years of Swell and Wind Stats (and with our 20% Summer Subscription Sale)

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Asakawa surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

Asakawa 48 hour detailed Surf Forecast

How big are the waves at Asakawa today (03 Oct):

Short Range Forecast

Latest Updates

Surf-Forecast Now Has Webcams

Road Testing the new Db Surf Roller Pro

Summer's Short. Life Is Long.

Roadsurfing in the Basque country

Six Sun-Soaked Summer Surf Spots: Backed by 20 years of Swell and Wind Stats (and with our 20% Summer Subscription Sale)

FREE! Surf-Forecast.com widget for your website