Yona Bay 48 hour detailed Surf Forecast

Lat Long: 26.76° N 128.19° E

Issued: 2 am 23 Jul 2026 (local time)

Forecast update in hr min

Today's Yona Bay sea temperature is

28.5° 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 (23 Jul):

Morning surf: Morning surf (23 Jul, local time) - 1.5ft (0.5m), 10s period with ENE swell.
Afternoon surf: Afternoon surf (23 Jul, local time) - 2ft (0.6m), 10s period with ENE swell.
Evening surf: Evening surf (23 Jul, local time) - 1.5ft (0.5m), 10s period with ENE swell.

The current surf forecast for Yona Bay at 6AM is: 0.6m 10s primary swell from a East-northeast direction and 0.2m 6s secondary swell from a West direction (forecast issued at 02:00am July 23). The wind direction is predicted to be offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (23 Jul)	1.5ft (0.5m)	10s
Afternoon (23 Jul)	2ft (0.6m)	10s
Evening (23 Jul)	1.5ft (0.5m)	10s

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

	Short Range Forecast Light rain (total 2mm), mostly falling on Fri night. Warm (max 30°C on Thu morning, min 27°C on Sat night). Wind will be generally light.
	Thursday 23								Friday 24								Saturday 25
	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)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ENE 11	ENE 11	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 9	ENE 9	ENE 9	ENE 9	ENE 9
Wave Graph
kJ	47	103	72	59	80	78	56	56	56	56	56	56	56	55	55	38	37	37	31	29	29	28	28	28
Wind (km/h)	SSE	SSE	SE	SE	SE	SE	SE	SSE	SSE	SSE	SE	SE	SE	ESE	ESE	SE	SSE	SSE	SSE	S	ESE	ESE	SE	SSE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	off	off	off	off	off	off	off	cross-off	off	off	off	off	off	cross-off	off	off	off	cross-off	cross-off	cross-off	cross-off	off	off
High Tide		00:48AM1.70m				3:00PM1.35m				1:48AM1.65m					5:00PM1.41m			3:00AM1.63m						6:04PM1.51m
Low Tide				8:12AM0.78m				7:23PM1.19m					9:35AM0.73m				9:05PM1.28m				10:43AM0.64m


	—	5:46	—	—	—	—	—	—	—	5:47	—	—	—	—	—	—	—	5:47	—	—	—	—	—	—
	—	—	—	—	—	—	7:20	—	—	—	—	—	—	—	7:19	—	—	—	—	—	—	—	7:19	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	—	1	—	—	—	—	—	—
Temp °C	28	28	28	29	30	30	30	29	28	28	28	29	30	30	29	29	28	28	28	29	30	30	30	29
Feels °C	32	33	33	33	34	33	34	34	32	33	32	32	33	33	33	34	33	33	32	33	34	34	34	34
Swell 1 Height (m) Direction Period (s)	ENE 11	ENE 11	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	ENE 10	SE 7	SSE 9	SSE 9	SSE 9	SSE 9	SSE 8	SSE 8
kJ	47	103	72	59	80	78	56	56	56	56	56	56	56	55	55	38	37	43	86	111	140	140	127	118
Swell 2 Height (m) Direction Period (s)	ENE 8	W 6	W 6	W 6	W 6	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	ESE 9	ESE 9	ESE 9	SE 9	SE 7	SE 11	ENE 10	ENE 10	ENE 9	ENE 9	ENE 9	ENE 9	ENE 9
kJ	13	3	3	3	2	10	10	10	10	10	10	9	8	8	14	14	19	37	31	29	29	28	28	28
Swell 3 Height (m) Direction Period (s)	W 6	E 10	E 10	SE 10	ESE 10	S 7	S 7	S 7	S 7	S 7	S 7	S 7	S 8	S 8	S 8	S 7	S 9	SSE 9	ESE 11	SE 11	SE 10	SE 10	SE 10	SE 10
kJ	3	8	8	4	10	4	4	4	4	4	4	4	4	4	5	4	6	27	11	18	17	17	25	25
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	ESE 2	ESE 3	ESE 3	ESE 3	—	—	SE 2	SE 3	SE 3	SE 4	SE 4	SE 7	—	—	—	—	—	—	—
kJ	—	—	—	—	—	1	1	1	1	—	—	1	2	3	4	5	43	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Yona Bay Okinawa	Cape Toi Kyu Shu	Aha Rivermouth Okinawa	Aha Rivermouth Okinawa	Ko-Chan (Hedo Point) Okinawa	Ko-Chan (Hedo Point) Okinawa	Corners Okinawa	Corners Okinawa	Corners Okinawa	Ko-Chan (Hedo Point) Okinawa
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	1	2
Distance (km)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	597	12	12	14	14	64	64	64	14
Best forecast wave conditions in Okinawa	Rocky Point	Aja	Aja	Yona Bay	Yona Bay	Aja	Aja	Yona Bay	Aja	Aja	Yona Bay	Yona Bay	Yona Bay	Yona Bay	Yona Bay		Steps	Steps	Ko-Chan (Hedo Point)	Steps	Steps	Steps	Steps	Steps
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1		1	1	2	2	2	2	1	2
Best forecast wave conditions in Japan	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Big Ben Chiba	Malibu Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Mera Chiba	Amatu Chiba	Kaiser's (Hachijojima Island) Izu Islands	Niyodo Rivermouth Shikoku	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Takegashima Shikoku	Kaiser's (Hachijojima Island) Izu Islands	Kaifu Rivermouth Shikoku	Nunoshima Shikoku	Kaiser's (Hachijojima Island) Izu Islands	Ko-Chan (Hedo Point) Okinawa	Steps Okinawa	Steps Okinawa	Steps Okinawa	Kaiser's (Hachijojima Island) Izu Islands	Steps Okinawa
Rating (10 max)	1	2	2	1	1	1	1	1	1	1	1	1	1	1	2	1	1	1	2	2	2	2	1	2
Header Global	Viri Inga O Tuki Chile	Papa Tangaroa Chile	Point Roadnight Australia	Cobblestones Australia	Etang-Sale Reunion	Cobblestones Australia	Point Roadnight Australia	Dolphin Point South Africa	Benkunqut Indonesia	Point Roadnight Australia	Point Roadnight Australia	Dolphin Point South Africa	Fish Boma South Africa	Boneyards South Africa	Boneyards South Africa	Sea Vista South Africa	Sea Vista South Africa	Fish Boma South Africa	Fish Boma South Africa	Boneyards South Africa	Papatowai New Zealand	Papatowai New Zealand	Bancoora Australia	Blaketown Wedge New Zealand
Rating (10 max)	8	7	6	5	4	4	7	5	4	9	9	9	9	9	9	7	6	5	5	5	5	5	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

Ben Mondy

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 Yona Bay 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.

Yona Bay 48 hour detailed Surf Forecast

How big are the waves at Yona Bay today (23 Jul):

Short Range Forecast

Latest Updates

Summer School: The Timeline of The Boardshort

How Our WaveFinder Tool Makes Forecasting Easier Than Ever Before

The Five Best Forecasts For International Surfing Day 2026

Best Surf Travel Deals & Discounts For 2026 To Help Make Surf Travel Cheaper

Let Our Surf Alerts Do All Your Forecast Heavy Lifting

FREE! Surf-Forecast.com widget for your website