Mangandas Surf Forecast

/ Guam (16 surf breaks) /

Guam (16 surf breaks)

Surf Forecasts:

Mangandas surfForecast / Guam / Guam

48hr Weather and Surf, issued 3 pm Saturday 13 Sep 2025 ChST

Forecast update in hr min s Forecast update imminent

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

Today's Mangandas sea temperature is 29.8° C
(Which is slightly warmer than usual)

How big are the waves at Mangandas today?

The current surf forecast for Mangandas at 9PM is: 0.5m 9s primary swell from a North-northeast direction (forecast issued at 03:00pm September 13). An open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ChST) & Date	Wave Height	Wave Period
Morning (13 Sep)	-	-
Afternoon (13 Sep)	2ft (0.6m)	9s
Evening (13 Sep)	1.5ft (0.5m)	9s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Saturday 13				Sunday 14								Monday 15								Tuesday 16
	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	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM
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	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NE	NNE	NNE	NE	NNE	NE	NE
Period(s) (?)	9	9	9	9	9	9	9	11	11	11	11	11	11	10	10	5	10	10	10	10	10	10	10	10
Wave Graph (?)
kJ (?)	56	48	47	44	29	29	29	45	23	23	23	23	23	22	21	11	20	27	20	20	25	38	25	24
Wind (km/h)	ESE	E	E	E	E	E	E	E	E	E	E	E	E	E	E	ESE	SE	ESE	E	E	ESE	ESE	SE	SSE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	off	cross- off	cross- off	cross- off	off	glass	off	off
High Tide / height (m)	12:42PM 0.68				10:55PM 0.73					2:21PM 0.66			11:44PM 0.69					3:56PM 0.67			12:54AM 0.66
Low Tide / height (m)			5:46PM 0.48				6:37AM -0.03				6:59PM 0.54					7:48AM -0.03				8:31PM 0.55				9:02AM -0.03

	Saturday 13				Sunday 14								Monday 15								Tuesday 16
Sunrise	-	-	-	-	-	-	6:09	-	-	-	-	-	-	-	6:09	-	-	-	-	-	-	-	6:09	-
Sunset	-	6:23	-	-	-	-	-	-	-	6:23	-	-	-	-	-	-	-	6:22	-	-	-	-	-	-

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

Wind Update Continuing clean conditions at Mangandas (calm at SHIP181 10 km from Mangandas). 0.3m 7s swell from the NE with a 0.3m 10s swell from the NNE. 2 swells combining to make bigger set waves.
2 hours 1 minute ago Mangandas

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2 h 1 min ago

2 km/h

WNW

Clean

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