Marinas Surf Forecast

/ Okinawa (32 surf breaks) /

Japan (129 surf breaks)

Surf Forecasts:

Marinas surfForecast / Okinawa / Japan

48hr Weather and Surf, issued 8 am Thursday 18 Sep 2025 JST

Forecast update in hr min s Forecast update imminent

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

Today's Marinas sea temperature is 30.0° C
(Which is 1.8°C warmer than normal for this time of year)

How big are the waves at Marinas today?

The current surf forecast for Marinas at 2PM is: 0.3m 9s primary swell from a Southeast direction (forecast issued at 08:00am September 18). An open ocean swell of 0.6m 6s is not directed at the surf break, a second open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (18 Sep)	1.5ft (0.5m)	6s
Afternoon (18 Sep)	1ft (0.3m)	9s
Evening (18 Sep)	1.5ft (0.5m)	7s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Thursday 18						Friday 19								Saturday 20								Sun 21
	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	0 AM	3 AM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	0	1	1	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SE	SE	SE	SE	SE	SE	SE	SE	ESE	NW	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	ESE
Period(s) (?)	6	6	7	9	9	7	9	9	9	8	9	9	9	9	8	8	8	9	9	9	8	8	8	8
Wave Graph (?)
kJ (?)	19	19	36	13	13	26	13	13	0	3	0	0	0	0	0	0	0	0	93	91	68	66	66	0
Wind (km/h)	E	E	E	E	ESE	E	E	ENE	E	ESE	ESE	E	E	ESE	ESE	E	E	E	NE	ENE	E	ENE	ENE	ENE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	glass	off	cross- off	off	cross- off	cross- off	cross- off	off	off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	off	off	cross- off	off	off	off
High Tide / height (m)	4:27AM 1.75					6:03PM 1.85			5:29AM 1.88					6:32PM 1.94				6:15AM 1.99				6:58PM 2.00
Low Tide / height (m)			11:19AM 0.49				11:49PM 0.99					12:05PM 0.43				12:26AM 0.81				12:41PM 0.41				12:57AM 0.66

	Thursday 18						Friday 19								Saturday 20								Sun 21
Sunrise	-	6:15	-	-	-	-	-	-	-	6:15	-	-	-	-	-	-	-	6:16	-	-	-	-	-	-
Sunset	-	-	-	-	6:30	-	-	-	-	-	-	-	6:29	-	-	-	-	-	-	-	6:28	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	1	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	28	28	29	29	29	28	28	28	27	28	29	30	29	28	28	28	28	29	29	30	29	28	28	28
Feels °C (?)	33	32	32	32	32	30	31	32	30	31	32	33	32	30	31	32	32	32	32	33	32	30	31	31

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 Okinawa

Wind Update The wind is still cross-off at Marinas (light winds from the E at Kadena Air Force Base Airport 2 km from Marinas). 0.5m 6s windswell from the SE with a 0.2m 9s swell, also from the SE. 2 swells combining to make bigger set waves.
2 hours 25 minutes ago Marinas

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2 h 25 min ago

17 km/h

Cross-Off

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