Sakawa River Surf Forecast

/ Kanagawa (21 surf breaks) /

Japan (129 surf breaks)

Surf Forecasts:

Sakawa River surfForecast / Kanagawa / Japan

12 Day Weather and Surf, issued 2 am Friday 19 Sep 2025 JST

Forecast update in hr min s Forecast update imminent

Sakawa River surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Sakawa River sea temperature is 27.2° C
(Which is 1.4°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Sakawa River this week:

The surf forecast for Sakawa River over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 21) at 9AM. The primary swell is predicted to be 0.9m and 5s period with a secondary swell of 0.6m and 5s. Another secondary swell of 0.4m and 9s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Sakawa River in the next 12 days are 1.8m 8s and forecast to arrive on Thursday (Sep 25) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Tuesday (Sep 23) at 6AM.

Wave Type	Time (JST) & Date	Wave Height & Period
Next good surf (1 star+)	9AM (Sun 21st Sep)	3ft (0.9m) 5s
Best Surf	3AM (Thu 25th Sep)	6ft (1.8m) 8s
Most Powerful	3AM (Thu 25th Sep)	6ft (1.8m) 8s

Table - best surf conditions forecast for Sakawa River over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Light rain (total 6mm), mostly falling on Fri morning. Warm (max 29°C on Sun morning, min 21°C on Fri morning). Wind will be generally light.									Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Wed night. Warm (max 25°C on Mon afternoon, min 20°C on Mon night). Wind will be generally light.
	Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24			Thursday 25
	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night
Rating (10 max)	0	0	0	0	0	0	1	0	0	0	0	0	0	0	1	0	0	1	1	1	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	ENE	ESE	ESE	SE	SE	ESE	SSW	SW	SE	ESE	ESE	SSW	ESE	ESE	ESE	ESE	SW	SE	SE	S	SSE
Period(s) (?)	4	8	9	10	10	9	5	6	10	8	8	13	10	10	9	9	15	7	7	6	6
Wave Graph (?)
kJ (?)	15	11	16	25	26	48	44	54	24	35	24	65	152	140	161	119	134	140	158	200	48
Wind (km/h)	NE	NE	NNE	NE	SSW	SW	NNE	ESE	E	ENE	ENE	NE	NNE	ENE	NE	NNE	E	N	N	SW	W
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross- off	cross	cross- on	cross	glass	cross- on	cross- on	cross	cross- on	cross	cross- off	cross- on	cross	cross- off	cross- on	cross- off	glass	cross	cross- off
High Tide / height (m)		4:09PM 1.38		3:18AM 1.39	4:26PM 1.42		4:01AM 1.45	4:42PM 1.44		4:40AM 1.49	4:59PM 1.47		5:16AM 1.49	5:15PM 1.48		5:51AM 1.47	5:32PM 1.48		6:26AM 1.41	5:49PM 1.48
Low Tide / height (m)	9:19AM 0.29		9:43PM 0.78	9:54AM 0.30		10:11PM 0.63	10:24AM 0.34		10:38PM 0.50	10:52AM 0.40		11:05PM 0.39	11:17AM 0.49		11:32PM 0.31	11:40AM 0.58		12:00AM 0.27		12:02PM 0.68	12:29AM 0.26

	Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24			Thursday 25
Sunrise	5:28	-	-	5:28	-	-	5:28	-	-	5:30	-	-	5:31	-	-	5:31	-	-	5:31	-	-
Sunset	-	5:45	-	-	5:44	-	-	5:43	-	-	5:40	-	-	5:39	-	-	5:37	-	-	5:37	-

Rain (mm)	4	1	-	-	-	-	-	-	1	-	-	-	-	-	-	-	-	2	-	-	-
Temp. °C	21	22	22	24	25	25	29	29	23	24	25	22	24	25	23	23	24	21	21	23	22
Feels °C (?)	21	23	23	26	27	26	31	30	22	21	22	20	20	22	21	21	23	21	22	24	23

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

Recent Eyeball Surf Reports for Kanagawa

Wind Update The wind is still cross-off at Sakawa River (moderate winds from the NNE at Ajiro 21 km from Sakawa River). 1.1m 4s local chop from the NE with a 0.3m 7s swell from the SSE. 2 swells combining to make bigger set waves.
1 hour 21 minutes ago Sakawa River

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21 km away, 1 h 21 min ago

20 km/h

NNE

0.0

27.2

Air / Water (°C)

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Sakawa River 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.

Information about the Sakawa River Surf forecast

The above surf forecast table for Sakawa River provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Sakawa River can be found by selecting the local surf guide option on the grey menu. Our Sakawa River surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Sakawa River) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Sakawa River may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Sakawa River is 2 km (1 miles) from Odawara. If you plan a holiday in Kanagawa, look for hotels and other accommodation in Odawara. Odawara has rooms for a wide range of budgets as well as car hire and transport links.