Yona Bay 48 hour detailed Surf Forecast

Lat Long: 26.76° N 128.19° E

Issued: 8 am 28 Jul 2026 (local time)

Forecast update in hr min

Today's Yona Bay sea temperature is

29.2° 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 (28 Jul):

Morning surf: Morning surf (28 Jul, local time) - 0.5ft (0.2m), 8s period with ENE swell.
Afternoon surf: Afternoon surf (28 Jul, local time) - 1ft (0.3m), 10s period with ENE swell.
Evening surf: Evening surf (28 Jul, local time) - 1ft (0.3m), 9s period with E swell.

The current surf forecast for Yona Bay at 2PM is: 0.3m 9s primary swell from a East-northeast direction (forecast issued at 08:00am July 28). An open ocean swell of 0.4m 10s is not directed at the surf break, a second open ocean swell of 0.4m 8s is not directed at the surf break, a second open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (28 Jul)	0.5ft (0.2m)	8s
Afternoon (28 Jul)	1ft (0.3m)	10s
Evening (28 Jul)	1ft (0.3m)	9s

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

	Short Range Forecast Light rain (total 2mm), mostly falling on Tue night. Warm (max 30°C on Tue morning, min 28°C on Tue night). Wind will be generally light.
	Tuesday 28						Wednesday 29								Thursday 30
	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	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ENE 8	ENE 8	ENE 8	ENE 10	E 9	E 9	E 9	SE 10	E 9	SE 10	SE 10	E 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 10	E 8	E 10	ENE 13
Wave Graph
kJ	7	7	7	18	15	15	15	0	15	0	0	6	0	0	0	0	0	0	0	5	8	17
Wind (km/h)	ESE	ESE	ESE	ESE	ESE	E	ESE	SE	SE	SE	ENE	ENE	E	ESE	SSE	SW	W	NW	N	NE	NE	E
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	off	glassy	glassy	cross-off	cross-off	cross-off	cross-off	cross-off	cross	cross-on	on	cross-on	cross	cross	glassy
High Tide	5:44AM1.77m					7:31PM1.76m				6:22AM1.84m				7:53PM1.81m				6:58AM1.90m				8:16PM1.86m
Low Tide				12:43PM0.38m				00:53AM1.10m				1:13PM0.32m				1:22AM1.01m				1:42PM0.29m


	5:48	—	—	—	—	—	—	5:48	—	—	—	—	—	—	—	5:50	—	—	—	—	—	—
	—	—	—	—	7:16	—	—	—	—	—	—	—	7:16	—	—	—	—	—	—	—	7:15	—
mm	—	—	—	—	—	—	—	1	1	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	28	29	30	30	29	29	29	29	28	29	30	30	30	29	29	28	28	28	29	29	29	29
Feels °C	32	32	32	33	32	33	34	34	32	34	34	34	34	33	34	33	33	32	33	33	34	35
Swell 1 Height (m) Direction Period (s)	S 8	S 8	SE 10	SE 10	SE 10	SE 10	SE 10	SE 5	SE 10	SE 10	SE 10	SE 10	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	ESE 10	ESE 9	ESE 10	ESE 9
kJ	32	30	25	26	26	26	25	6	25	24	24	25	29	29	28	28	29	29	30	17	18	8
Swell 2 Height (m) Direction Period (s)	ESE 10	ESE 10	S 8	S 8	S 8	S 8	S 8	SE 10	E 9	SE 5	SE 5	SE 5	ESE 5	ESE 5	ESE 5	S 7	S 7	S 7	S 7	E 8	E 10	E 8
kJ	40	40	18	18	10	10	10	25	15	6	6	4	2	2	2	4	4	4	4	5	8	6
Swell 3 Height (m) Direction Period (s)	ENE 8	ENE 8	ENE 8	ENE 10	E 9	E 9	E 9	S 7	S 7	S 7	S 7	E 9	S 7	S 7	S 7	ESE 5	ESE 5	SE 5	SW 8	S 7	E 8	ENE 13
kJ	7	7	7	18	15	15	15	10	10	9	4	6	4	4	4	2	2	1	2	3	5	17
Wind waves Height (m) Direction Period (s)	—	—	ESE 3	ESE 3	SE 4	SE 4	SE 4	—	SE 5	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	1	2	3	4	4	—	6	—	—	—	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Corners Okinawa	Cape Toi Kyu Shu	Corners Okinawa	Osaki Point Shikoku	Udo Shrine Kyu Shu	Corners Okinawa	Cape Toi Kyu Shu	Cape Toi Kyu Shu	Cape Toi Kyu Shu	Ko-Chan (Hedo Point) Okinawa	Kudaka Okinawa	Kudaka Okinawa	Kudaka Okinawa	Cape Toi Kyu Shu	Kojima Kyu Shu	Cape Toi Kyu Shu	Ko-Chan (Hedo Point) Okinawa	Aoshima Kyu Shu	Osaki Point Shikoku	Turtle Head West Luzon	Kojima Kyu Shu	Kudaka Okinawa
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	64	597	64	937	628	64	597	597	597	14	74	74	74	597	605	597	14	645	937	1267	605	74
Best forecast wave conditions in Okinawa	Steps		Steps			Steps				Kudaka	Kudaka	Kudaka	Kudaka				Ko-Chan (Hedo Point)					Kudaka
Rating (10 max)	1		1			1				1	1	1	1				1					1
Best forecast wave conditions in Japan	Nunoshima Shikoku	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Ikumi Beach Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Nunoshima Shikoku	Chikura Chiba	Nunoshima Shikoku	Nunoshima Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Niyodo Rivermouth Shikoku
Rating (10 max)	1	2	2	2	1	1	1	1	1	1	1	2	1	1	1	1	1	1	1	1	1	1
Header Global	Gerickes Point South Africa	Fish Boma South Africa	Cape St Martin South Africa	Cape St Martin South Africa	Etang-Sale Reunion	Punta Palmilla Mexico	Chameau Mauritius	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Ahijedero Mexico	Ahijedero Mexico	Point Roadnight Australia	Point Roadnight Australia	Ala Moana Bowls United States	Bancoora Australia	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico	Ahijedero Mexico
Rating (10 max)	7	6	5	5	5	6	5	5	5	5	5	4	4	7	5	4	4	4	4	4	4	4

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)

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 (28 Jul):

Short Range Forecast

Latest Updates

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

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

FREE! Surf-Forecast.com widget for your website