Asakawa 48 hour detailed Surf Forecast

Lat Long: 33.63° N 134.38° E

Issued: 2 am 15 Jul 2026 (local time)

Forecast update in hr min

Today's Asakawa sea temperature is

25.6° 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 (15 Jul):

Morning surf: Morning surf (15 Jul, local time) - 2.5ft (0.7m), 9s period with SSW swell.
Afternoon surf: Afternoon surf (15 Jul, local time) - 2.5ft (0.8m), 8s period with SSW swell.
Evening surf: Evening surf (15 Jul, local time) - 4ft (1.2m), 8s period with SSW swell.

The current surf forecast for Asakawa at 5AM is: 0.7m 9s primary swell from a South-southwest direction and 0.4m 11s secondary swell from a Southeast direction (forecast issued at 02:00am July 15). The wind direction is predicted to be offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (15 Jul)	2.5ft (0.7m)	9s
Afternoon (15 Jul)	2.5ft (0.8m)	8s
Evening (15 Jul)	4ft (1.2m)	8s

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

	Short Range Forecast Mostly dry. Warm (max 32°C on Wed morning, min 27°C on Wed night). Wind will be generally light.
	Wednesday 15								Thursday 16								Friday 17
	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	1	1	0	0	0	0	2	1	1	1	1	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 9	SSW 9	SSW 9	SSW 9	SSW 9	SSW 8	SSW 8	SSW 8	SSW 8	SSW 8	SSW 8	SSW 8	SSW 8	SSW 8	SSW 8	SSW 7	SSW 7	SSW 7	ESE 10	ESE 10	SSW 7	SE 10	SE 10	SE 10
Wave Graph
kJ	86	86	84	84	82	82	78	175	75	75	92	98	95	66	50	33	32	30	18	18	19	19	16	15
Wind (km/h)	WSW	NW	N	E	SSE	SSW	SSW	WNW	NNW	NNW	NW	SE	SE	SE	S	W	NW	NNW	NNW	ENE	E	SSE	SSW	WSW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	glassy	off	cross	on	cross-on	cross-on	glassy	off	glassy	glassy	glassy	on	on	glassy	glassy	glassy	off	glassy	glassy	cross-on	on	glassy	cross
High Tide			5:39AM1.86m					7:26PM1.81m				6:28AM1.88m				8:02PM1.79m				7:16AM1.84m				8:36PM1.76m
Low Tide		00:08AM0.95m				12:35PM-0.09m				00:52AM0.87m				1:18PM-0.04m				1:35AM0.79m				1:58PM0.09m


	—	5:01	—	—	—	—	—	—	—	5:03	—	—	—	—	—	—	—	5:03	—	—	—	—	—	—
	—	—	—	—	—	—	7:13	—	—	—	—	—	—	—	7:13	—	—	—	—	—	—	—	7:12	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	28	28	27	30	32	30	30	28	28	27	27	30	31	31	30	28	27	27	27	30	31	31	29	28
Feels °C	33	33	31	34	36	34	35	33	33	32	32	35	35	35	36	33	30	29	30	33	34	35	34	33
Swell 1 Height (m) Direction Period (s)	SSW 9	SSW 9	SSW 9	SSW 9	SSW 9	SSW 8	SSW 8	SSW 8	SSW 8	SSW 8	SSW 8	SSW 8	SSW 8	SSW 8	SSW 8	SSW 7	SSW 7	SSW 7	SSW 7	SSW 7	SSW 7	SSW 7	SW 7	SW 7
kJ	86	86	84	84	82	82	78	76	75	75	92	98	95	66	50	33	32	30	18	18	19	19	11	11
Swell 2 Height (m) Direction Period (s)	SE 11	SE 11	SE 11	SE 11	SE 11	SE 10	SE 10	ESE 10	SE 11	SE 11	SE 11	SE 10	SE 10	ESE 10	ESE 10	SSW 8	ESE 10	ESE 10	ESE 10	ESE 10	ESE 9	ESE 9	ESE 9	SE 10
kJ	31	30	29	29	29	28	27	40	18	18	18	14	16	18	18	13	18	18	18	18	17	16	16	15
Swell 3 Height (m) Direction Period (s)	E 9	E 11	E 10	E 10	—	SE 11	SE 10	—	ESE 10	ESE 10	ESE 10	ESE 10	ESE 9	SE 10	SE 10	ESE 10	SSW 8	SSW 8	SE 10	SSW 8	SE 9	SE 10	SE 10	E 9
kJ	15	20	17	17	—	18	17	—	18	18	19	19	17	15	15	18	13	12	14	12	14	15	15	14
Wind waves Height (m) Direction Period (s)	SW 2	—	—	—	—	—	—	SSW 8	—	—	—	NNE 2	—	—	—	—	—	—	—	NNE 2	NE 3	ENE 3	—	—
kJ	1	—	—	—	—	—	—	175	—	—	—	1	—	—	—	—	—	—	—	1	1	1	—	—
Nearest Offshore or Glassy	Dead Man's Land Shikoku	Asakawa Shikoku	Asakawa Shikoku	Gomoda Shikoku	Hashikui Bay Shikoku	Ikumi Beach Shikoku	Dead Man's Land Shikoku	Asakawa Shikoku	Asakawa Shikoku	Asakawa Shikoku	Asakawa Shikoku	Asakawa Shikoku	Gomoda Shikoku	Hashikui Bay Shikoku	Asakawa Shikoku	Uchizuma Shikoku	Uchizuma Shikoku	Uchizuma Shikoku	Dead Man's Land Shikoku	Shishikui Beach Shikoku	Osaki Point Shikoku	Tainohama Shikoku	Osaki Point Shikoku	Osaki Point Shikoku
Rating (10 max)	1	1	1	1	1	1	1	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	2	0	0	41	19	14	2	0	0	0	0	0	41	19	0	1	1	1	2	6	30	22	30	30
Best forecast wave conditions in Shikoku	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Gomoda	Osaki Point	Yasuda Rivermouth	Kaifu Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Gomoda	Hashikui Bay	Kaifu Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Niyodo Rivermouth	Osaki Point	Osaki Point	Osaki Point	Niyodo Rivermouth
Rating (10 max)	1	1	1	1	1	2	2	2	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	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Niyodo Rivermouth Shikoku	Kaiser's (Hachijojima Island) Izu Islands	Osaki Point Shikoku	Yasuda Rivermouth Shikoku	Kaifu Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Keta Reef Oshima Izu Islands	Shida Chiba	Kaifu Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Cape Toi Kyu Shu	Cape Toi Kyu Shu	Shida Chiba	Niyodo Rivermouth Shikoku
Rating (10 max)	1	1	1	1	1	2	2	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Header Global	Fox River New Zealand	Fox River New Zealand	Cathedral Rock Australia	Cathedral Rock Australia	Asu Indonesia	Anawhata Road (Oaonui) New Zealand	Balnarring Point Australia	Asu Indonesia	Tessellated Pavements Australia	Cape St Martin South Africa	Hell South Africa	Fish Boma South Africa	Boneyards South Africa	Boneyards South Africa	Luna Park Australia	Cobblestones Australia	Easter Reef Australia	Dunedin - Bobs Beach New Zealand	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Papatowai New Zealand	Luna Park Australia	Cannibal Bay New Zealand
Rating (10 max)	6	7	7	7	4	5	4	4	6	5	5	5	5	5	6	5	5	9	6	6	6	7	5	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

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Asakawa 48 hour detailed Surf Forecast

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

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