Ylig Surf Forecast

/ Guam (16 surf breaks) /

Guam (16 surf breaks)

Surf Forecasts:

Ylig surfForecast / Guam / Guam

48hr Weather and Surf, issued 3 am Thursday 18 Sep 2025 ChST

Forecast update in hr min s Forecast update imminent

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

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

How big are the waves at Ylig today?

The current surf forecast for Ylig at 9AM is: 0.9m 5s primary swell from a Southeast direction and 0.4m 10s secondary swell from a Southeast direction (forecast issued at 03:00am September 18). The wind direction is predicted to be onshore.

Time (ChST) & Date	Wave Height	Wave Period
Morning (18 Sep)	3ft (0.9m)	5s
Afternoon (18 Sep)	1.5ft (0.4m)	10s
Evening (18 Sep)	1.5ft (0.5m)	9s

Table - waves today at Ylig. (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
	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	7 PM	10 PM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SE	ESE	ESE	SE	ESE	ESE	E	ENE	ESE	ENE	ESE	ESE	SE	SE	ESE	ESE	ESE	ESE	ESE	ENE	ENE	ENE	ENE	E
Period(s) (?)	5	5	5	10	10	10	8	11	5	11	5	8	9	9	9	9	7	8	8	5	5	5	8	7
Wave Graph (?)
kJ (?)	55	56	47	27	38	36	111	40	40	38	28	28	41	51	80	86	38	50	37	40	32	31	75	88
Wind (km/h)	ESE	E	ESE	ESE	E	E	E	E	ESE	E	E	N	NNE	NNE	NNE	NE	NE	NE	ENE	ENE	ENE	ENE	ENE	E
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	on	on	on	on	on	on	on	on	on	on	cross- on	cross- off	cross	cross	cross	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on	cross- on
High Tide / height (m)		2:46AM 0.47					6:01PM 0.47				4:02AM 0.47				6:31PM 0.47				5:07AM 0.46				6:55PM 0.47
Low Tide / height (m)	10:01PM 0.36				10:40AM -0.09				11:03PM 0.31				11:30AM -0.05				11:56PM 0.27				12:13PM -0.01

	Thursday 18								Friday 19								Saturday 20
Sunrise	-	-	6:09	-	-	-	-	-	-	-	6:09	-	-	-	-	-	-	-	6:09	-	-	-	-	-
Sunset	-	-	-	-	-	6:20	-	-	-	-	-	-	-	6:19	-	-	-	-	-	-	-	6:19	-	-

Rain (mm)	-	3	-	-	-	1	-	-	1	2	4	4	-	-	4	5	1	2	-	-	1	1	2	1
Temp. °C	27	26	27	27	28	28	28	28	28	27	27	27	28	28	27	27	27	27	28	28	28	28	28	28
Feels °C (?)	27	27	30	30	29	29	29	29	30	29	31	29	29	29	27	27	28	28	29	29	30	31	31	30

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 Ylig (calm at Windward Hills wx 4 km from Ylig). 0.8m 5s windswell from the ESE with a 0.4m 8s swell from the ENE and a 0.3m 11s groundswell from the E. 3 swells combining to make bigger set waves.
43 minutes ago Ylig

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Actual: 43 min ago

0 km/h

Clean

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