Nichinan 48 hour detailed Surf Forecast

Lat Long: 31.60° N 131.41° E

Issued: 8 pm 18 Jul 2026 (local time)

Forecast update in hr min

Today's Nichinan sea temperature is

28.0° C

Nichinan 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 Nichinan today (19 Jul):

Morning surf: Morning surf (19 Jul, local time) - 2ft (0.6m), 9s period with E swell.
Afternoon surf: Afternoon surf (19 Jul, local time) - 2ft (0.6m), 9s period with E swell.
Evening surf: Evening surf (19 Jul, local time) - 2ft (0.6m), 9s period with E swell.

The current surf forecast for Nichinan at 3AM is: 0.6m 9s primary swell from a East direction and 0.3m 7s secondary swell from a South-southwest direction (forecast issued at 08:00pm July 18). The wind direction is predicted to be glassy.

Time (JST) & Date	Wave Height	Wave Period
Morning (19 Jul)	2ft (0.6m)	9s
Afternoon (19 Jul)	2ft (0.6m)	9s
Evening (19 Jul)	2ft (0.6m)	9s

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

	Short Range Forecast Mostly dry. Warm (max 30°C on Sun morning, min 27°C on Sat night). Wind will be generally light.
	Sat 18		Sunday 19								Monday 20
	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	1	1	1	0	0	0	0	1	1	1	1	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 10	E 10	E 10	E 10	E 9	E 9	E 9	E 9
Wave Graph
kJ	59	59	57	57	56	56	56	58	63	64	88	92	92	92	87	83	83	81
Wind (km/h)	SSW	W	NW	NW	WNW	SSE	SSE	S	SSW	SW	WSW	W	WNW	S	SSE	S	S	SSW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	glassy	off	glassy	glassy	glassy	cross-on	cross-on	cross	cross	glassy	glassy	glassy	glassy	on	cross-on	cross-on	cross
High Tide			9:29PM1.93m				9:16AM1.84m				10:01PM1.88m				10:08AM1.68m
Low Tide					3:24AM0.81m				3:37PM0.53m				4:11AM0.80m				4:13PM0.76m


	—	—	—	5:20	—	—	—	—	—	—	—	5:22	—	—	—	—	—	—
	7:19	—	—	—	—	—	—	—	7:19	—	—	—	—	—	—	—	7:17	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	30	28	27	27	27	29	30	30	29	28	28	27	27	29	30	30	30	28
Feels °C	34	33	31	32	32	34	34	34	32	33	33	32	32	34	33	33	34	33
Swell 1 Height (m) Direction Period (s)	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 10	E 10	E 10	E 10	E 9	E 9	E 9	E 9
kJ	59	59	57	57	56	56	56	58	63	64	88	92	92	92	87	83	83	81
Swell 2 Height (m) Direction Period (s)	SE 8	SE 8	SW 4	SSW 7	SSW 6	SE 8	SE 8	ESE 12	SE 9	SE 9	SSW 3	SE 9	SSE 9	SSE 9	SSE 9	SSE 9	SSE 9	SSE 8
kJ	11	11	4	9	4	10	2	14	13	13	2	13	7	8	8	8	7	7
Swell 3 Height (m) Direction Period (s)	SW 7	SW 8	SE 8	SSE 8	SSE 8	SSW 6	SE 12	SE 8	SW 7	SW 8	SE 8	SSW 7	S 7	SW 8	SW 8	SW 8	SW 8	SW 8
kJ	2	2	11	6	6	4	6	2	2	2	11	5	4	3	2	2	2	2
Wind waves Height (m) Direction Period (s)	SSW 4	SSW 4	SW 4	—	—	—	SSW 6	SSW 2	SSW 3	SSW 3	SW 3	—	—	—	S 7	S 3	SSW 3	SSW 3
kJ	6	6	10	—	—	—	4	1	6	4	3	—	—	—	1	1	1	1
Nearest Offshore or Glassy	Chokusen Kyu Shu	Nichinan Kyu Shu	Nichinan Kyu Shu	Nichinan Kyu Shu	Nichinan Kyu Shu	Nichinan Kyu Shu	Rocky Point Okinawa	Udo Shrine Kyu Shu	Sosanji Rivermouth Kyu Shu	Chokusen Kyu Shu	Nichinan Kyu Shu	Nichinan Kyu Shu	Nichinan Kyu Shu	Nichinan Kyu Shu	Osaki Point Shikoku	Udo Shrine Kyu Shu	Udo Shrine Kyu Shu	Chokusen Kyu Shu
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	6	0	0	0	0	0	610	6	25	6	0	0	0	0	330	6	6	6
Best forecast wave conditions in Kyu Shu	Kojima	Okuragahama	Okuragahama	Okuragahama	Okuragahama	Kanegahama		Udo Shrine	Sosanji Rivermouth	Okuragahama	Okuragahama	Okuragahama	Okuragahama	Okuragahama		Udo Shrine	Udo Shrine	Okuragahama
Rating (10 max)	1	1	1	1	1	1		1	1	1	1	1	1	1		1	1	1
Best forecast wave conditions in Japan	Shida Chiba	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niijima - Habushiura Izu Islands	Shida Chiba	Shimoda Yamatoken (Tatado Hama) Shizuoka	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands	Kaiser's (Hachijojima Island) Izu Islands
Rating (10 max)	2	1	1	1	1	1	2	1	1	1	1	1	1	1	1	2	2	3
Header Global	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Seconds (White Rock) New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Otago Peninsula - Allans Beach New Zealand	Dinner Plates New Zealand	White Rock - The Spit New Zealand	Humenga Point New Zealand
Rating (10 max)	8	7	6	6	6	6	6	7	7	7	7	7	7	5	5	5	7	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 Nichinan 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.

Nichinan 48 hour detailed Surf Forecast

How big are the waves at Nichinan today (19 Jul):

Short Range Forecast

Latest Updates

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

Talking To Maddie Meddings on New Film Undercurrents. (And Then Watch It!)

FREE! Surf-Forecast.com widget for your website