Yona Bay 48 hour detailed Surf Forecast

Lat Long: 26.76° N 128.19° E

Issued: 8 pm 16 Oct 2026 (local time)

Forecast update in hr min

Today's Yona Bay sea temperature is

27.7°C

Yona Bay 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 Yona Bay today (17 Oct):

Morning surf: Morning surf (17 Oct, local time) - 1.5ft (0.4m), 10s period with ENE swell.
Afternoon surf: Afternoon surf (17 Oct, local time) - 4.5ft (1.4m), 7s period with ENE swell.
Evening surf: Evening surf (17 Oct, local time) - 5ft (1.5m), 7s period with E swell.

The current surf forecast for Yona Bay at 2AM is: 0.4m 12s primary swell from a East-northeast direction and 0.4m 9s secondary swell from a East direction (forecast issued at 08:00pm October 16). An open ocean swell of 0.8m 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 (17 Oct)	1.5ft (0.4m)	10s
Afternoon (17 Oct)	4.5ft (1.4m)	7s
Evening (17 Oct)	5ft (1.5m)	7s

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

	Short Range Forecast Some drizzle, heaviest during Sat morning. Warm (max 27°C on Sat night, min 25°C on Sat afternoon). Mainly fresh winds.
	Fri 16		Saturday 17								Sunday 18
	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)	1	0	0	0	0	0	0	0	0	0	0	1	1	0	1	1	1	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ENE 10	ENE 10	NE 10	ENE 12	NE 10	ENE 10	E 9	ENE 7	ENE 7	E 7	E 7	E 8	E 8	E 8	E 8	E 8	E 8	E 8
Wave Graph
kJ	72	96	27	53	24	39	269	180	203	246	246	227	233	235	284	284	253	333
Wind (km/h)	NE	E	E	ESE	E	E	E	ENE	E	E	E	E	E	E	E	E	E	E
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
High Tide			9:13PM1.74m				11:05AM1.43m				9:43PM1.62m					12:28PM1.37m
Low Tide	3:22PM1.03m				4:19AM0.50m				3:54PM1.14m				5:10AM0.61m				4:52PM1.23m


	—	—	—	—	6:26	—	—	—	—	—	—	—	6:26	—	—	—	—	—
	—	—	—	—	—	—	—	5:57	—	—	—	—	—	—	—	5:57	—	—
mm	—	—	—	—	—	—	1	—	—	—	—	—	—	—	—	—	—	—
Temp °C	25	26	26	26	26	26	26	25	25	25	25	25	27	26	26	26	26	26
Feels °C	27	27	27	27	27	26	25	23	22	23	24	25	28	26	27	27	27	28
Swell 1 Height (m) Direction Period (s)	ENE 10	E 9	NE 10	ENE 12	ESE 9	ENE 10	N 6	ENE 11	ENE 10	ENE 10	ENE 10	NE 10	ENE 11	ENE 11	ENE 11	NE 11	E 8	E 8
kJ	72	15	23	53	28	39	1	45	43	38	37	28	24	12	13	30	253	213
Swell 2 Height (m) Direction Period (s)	NNW 6	NNW 6	E 9	ESE 9	NE 10	ESE 9	—	N 6	N 6	—	E 15	NE 11	—	—	SE 11	SE 11	ENE 11	ENE 11
kJ	14	7	26	28	24	26	—	1	1	—	4	32	—	—	5	5	11	11
Swell 3 Height (m) Direction Period (s)	E 9	ENE 12	ENE 12	NNW 5	ENE 12	N 6	—	—	—	—	—	—	—	—	E 13	E 13	SE 11	SE 10
kJ	13	14	27	3	14	1	—	—	—	—	—	—	—	—	3	3	5	4
Wind waves Height (m) Direction Period (s)	—	ENE 10	ENE 5	ENE 5	E 5	E 5	E 9	ENE 7	ENE 7	E 7	E 7	E 8	E 8	E 8	E 8	E 8	—	E 8
kJ	—	96	30	45	43	36	269	180	203	246	246	227	233	235	284	284	—	333
Nearest Offshore or Glassy	Yona Bay Okinawa	Nichinan Kyu Shu	Nichinan Kyu Shu	Sosanji Rivermouth Kyu Shu	Nichinan Kyu Shu	Sunrise North	Pirates Cove Samar	Keta Reef Oshima Izu Islands	Turtles Okinawa	Zampa (The Rock) Okinawa	Zampa (The Rock) Okinawa	Zampa (The Rock) Okinawa	Buma Okinawa	Zampa (The Rock) Okinawa	Mainside Okinawa	Mainside Okinawa	Zampa (The Rock) Okinawa	Zampa (The Rock) Okinawa
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2
Distance (km)	0	622	622	646	622	679	1710	1386	65	60	60	60	33	60	59	59	60	60
Best forecast wave conditions in Okinawa	Yona Bay								Turtles	Turtles	Turtles	Turtles	Turtles	Turtles	Turtles	Turtles	Turtles	Sunabe Seawall
Rating (10 max)	1								1	1	1	2	1	1	1	2	2	2
Best forecast wave conditions in Japan	Kaiser's (Hachijojima Island) Izu Islands	Malibu Chiba	Kaiser's (Hachijojima Island) Izu Islands	Ikumi Beach Shikoku	Ikumi Beach Shikoku	Niyodo Rivermouth Shikoku		Keta Reef Oshima Izu Islands	Nagata Kyu Shu	Nagata Kyu Shu	Niyodo Rivermouth Shikoku	Turtles Okinawa	Niyodo Rivermouth Shikoku	Yasuda Rivermouth Shikoku	Uraga Point Kanagawa	Turtles Okinawa	Yasuda Rivermouth Shikoku	Nagata Kyu Shu
Rating (10 max)	2	2	2	1	1	1		1	2	2	1	2	2	2	1	2	2	3
Header Global	Viri Inga O Tuki Chile	Ahijedero Mexico	Ahijedero Mexico	Bocock's Bay Namibia	Papatowai New Zealand	Afife Portugal	Afife Portugal	Afife Portugal	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Ahijedero Mexico	Dunedin - Bobs Beach New Zealand	Ahijedero Mexico	Pascuales Mexico	Dunedin - Bobs Beach New Zealand	Dunedin - Bobs Beach New Zealand	Nugget Point New Zealand	Otago Peninsula - Allans Beach New Zealand
Rating (10 max)	5	4	4	4	5	4	4	4	5	5	5	5	5	7	6	6	5	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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Yona Bay 48 hour detailed Surf Forecast

How big are the waves at Yona Bay today (17 Oct):

Short Range Forecast

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