Tank Beach Surf Forecast

/ Saipan (2 surf breaks) /

Northern Mariana Islands (2 surf breaks)

Surf Forecasts

Tank Beach surfForecast / Saipan / Northern Mariana Islands

48hr Weather and Surf, issued 9 pm Monday 18 Aug 2025 ChST

Forecast update in hr min s Forecast update imminent

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

Today's Tank Beach sea temperature is 29.7° C
(Which is normal for this time of year)

How big are the waves at Tank Beach today?

The current surf forecast for Tank Beach at 3AM is: 1.5m 7s primary swell from a East direction and 0.2m 8s secondary swell from a East-northeast direction, 0.2m 13s secondary swell from a East-northeast direction (forecast issued at 09:00pm August 18). The wind direction is predicted to be cross-onshore.

Time (ChST) & Date	Wave Height	Wave Period
Morning (19 Aug)	5.5ft (1.7m)	7s
Afternoon (19 Aug)	5ft (1.6m)	8s
Evening (19 Aug)	4.5ft (1.4m)	8s

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

Hourly 12 Days

Saipan Surf

Print Surf Table

Updates in hr min s Forecast update imminent

	Mon 18		Tuesday 19								Wednesday 20								Thursday 21
	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM
Rating (10 max)	0	0	0	0	0	1	2	2	2	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	E	E	E	E	E	ESE	ESE	ESE	ESE	ESE	ESE	E	E	E	E	E	E	E	E	E	E	E	E	E
Period(s) (?)	7	7	7	7	7	7	7	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	9
Wave Graph (?)
Energy (?)	174	202	214	238	260	315	302	259	255	228	190	202	181	180	154	152	150	169	159	166	134	127	136	132
Wind (km/h)	E	E	E	E	SE	SSW	SW	SSW	ESE	NE	NNE	NE	ENE	E	ENE	ENE	ENE	ENE	E	E	E	E	E	ENE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- on	cross- on	cross	cross- off	off	glass	glass	glass	cross- on	on	on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on
High Tide / height (m)	6:05PM 0.68			1:42AM 0.73					6:53PM 0.70			2:45AM 0.73						7:30PM 0.71		3:51AM 0.73
Low Tide / height (m)		9:21PM 0.65					10:18AM 0.06				10:37PM 0.66				11:12AM 0.04				11:37PM 0.64				12:02PM 0.05

	Mon 18		Tuesday 19								Wednesday 20								Thursday 21
Sunrise	-	-	-	-	6:01	-	-	-	-	-	-	-	6:01	-	-	-	-	-	-	-	6:01	-	-	-
Sunset	-	-	-	-	-	-	-	6:37	-	-	-	-	-	-	-	6:37	-	-	-	-	-	-	-	6:37

Rain (mm)	-	-	-	1	3	2	-	-	3	1	-	-	-	1	1	2	-	-	1	-	-	1	1	1
Temp. °C	29	29	29	29	28	28	28	28	28	28	28	28	28	29	28	28	29	29	29	29	28	28	28	29
Feels °C (?)	30	29	29	29	27	29	32	33	33	32	31	31	31	33	31	31	31	31	31	31	30	30	30	32

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 Saipan

Wind Update Continuing clean conditions at Tank Beach (light winds from the SSE at Saipan Airport 18 km from Tank Beach). 1.3m 6s windswell from the E to make surfable waves.
1 hour 22 minutes ago Tank Beach

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18 km away, 1 h 22 min ago

10 km/h

SSE

0.0

29.7

Air / Water (°C)

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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 Tank Beach 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.