Nichinan Surf Forecast

/ Kyu Shu (26 surf breaks) /

Japan (129 surf breaks)

Surf Forecasts:

Nichinan surfForecast / Kyu Shu / Japan

48hr Weather and Surf, issued 2 am Friday 19 Sep 2025 JST

Forecast update in hr min s Forecast update imminent

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

Today's Nichinan sea temperature is 29.3° C
(Which is 1.8°C warmer than normal for this time of year)

How big are the waves at Nichinan today?

The current surf forecast for Nichinan at 7AM is: 0.4m 10s primary swell from a Southeast direction and 0.4m 9s secondary swell from a East direction, 0.4m 4s secondary swell from a Northeast direction (forecast issued at 02:00am September 19). The wind direction is predicted to be cross-shore.

Time (JST) & Date	Wave Height	Wave Period
Morning (19 Sep)	1.5ft (0.4m)	10s
Afternoon (19 Sep)	1.5ft (0.4m)	8s
Evening (19 Sep)	2.5ft (0.7m)	6s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Friday 19								Saturday 20								Sunday 21
	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM
Rating (10 max)	1	1	1	0	0	0	1	1	1	1	1	0	0	0	1	1	1	1	1	1	0	0	0	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	E	SE	SE	SE	SE	E	SE	NE	ENE	ENE	SE	SE	ESE	E	ENE	ENE	ENE	E	ENE	E	E	ENE	S	S
Period(s) (?)	9	10	10	10	10	8	10	6	7	6	9	9	9	10	8	8	8	8	8	8	8	8	10	10
Wave Graph (?)
kJ (?)	41	47	34	34	45	22	24	39	38	34	29	29	45	49	72	90	90	111	65	90	61	62	70	90
Wind (km/h)	N	NNW	NNE	NE	ENE	NE	NNE	N	NNW	NW	W	SW	SSW	SW	WSW	WSW	WSW	WSW	W	N	ENE	NE	NE	NNE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	glass	cross- off	cross	cross	cross	cross- off	cross- off	cross- off	glass	glass	cross	cross	cross	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross	cross	cross	cross- off
High Tide / height (m)			4:11AM 1.86				5:25PM 1.95				4:57AM 1.96				5:48PM 2.00				5:36AM 2.03					6:10PM 2.04
Low Tide / height (m)	10:43PM 1.11				10:47AM 0.43				11:14PM 0.94				11:22AM 0.40				11:43PM 0.78				11:54AM 0.42

	Friday 19								Saturday 20								Sunday 21
Sunrise	-	-	-	6:00	-	-	-	-	-	-	-	6:00	-	-	-	-	-	-	-	6:01	-	-	-	-
Sunset	-	-	-	-	-	-	6:15	-	-	-	-	-	-	-	6:14	-	-	-	-	-	-	-	6:13	-

Rain (mm)	-	-	1	-	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	1	-	-
Temp. °C	26	26	26	27	27	27	26	25	25	25	25	27	29	30	28	26	26	25	25	27	27	26	26	25
Feels °C (?)	30	31	30	31	30	30	29	28	29	29	29	31	31	31	31	29	30	29	29	30	29	28	28	27

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 Kyu Shu

Wind Update The wind is still cross-off at Nichinan (light winds from the W at Aburatsu 4 km from Nichinan). 0.5m 9s swell from the ESE with a 0.2m 12s groundswell from the E. 2 swells combining to make bigger set waves.
1 hour 5 minutes ago Nichinan

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1 h 5 min ago

11 km/h

Cross-Off

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