Boat Basin Lefts Surf Forecast

/ Guam (16 surf breaks) /

Guam (16 surf breaks)

Surf Forecasts:

Boat Basin Lefts surfForecast / Guam / Guam

48hr Weather and Surf, issued 3 pm Saturday 15 Nov 2025 ChST

Forecast update in hr min s Forecast update imminent

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

Today's Boat Basin Lefts sea temperature is 29.3° C
(Which is slightly warmer than usual)

How big are the waves at Boat Basin Lefts today?

The current surf forecast for Boat Basin Lefts at 7PM is: 0.7m 10s primary swell from a North direction and 0.4m 12s secondary swell from a North-northeast direction (forecast issued at 03:00pm November 15). An open ocean swell of 1.3m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ChST) & Date	Wave Height	Wave Period
Morning (15 Nov)	-	-
Afternoon (15 Nov)	3ft (0.9m)	11s
Evening (15 Nov)	4.5ft (1.4m)	6s

Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Saturday 15				Sunday 16								Monday 17								Tuesday 18
	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	1	1	1	1	1	1	0	0	1	1	1	1	1	1	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	N	N	N	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E
Period(s) (?)	11	11	10	6	7	7	7	7	7	7	7	7	7	7	7	7	7	8	8	8	8	8	8	8
Wave Graph (?)
kJ (?)	155	185	94	173	202	240	240	247	255	231	269	295	262	236	210	272	246	222	222	222	227	227	227	233
Wind (km/h)	ENE	ENE	ENE	E	ENE	ENE	ENE	ENE	ENE	ENE	E	E	ENE	ENE	E	E	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE
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	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off
High Tide / height (m)			4:23PM 0.86				5:19AM 0.71				4:49PM 0.86				6:24AM 0.75				5:13PM 0.85					7:16AM 0.80
Low Tide / height (m)					11:16PM 0.40				10:37AM 0.51				11:50PM 0.32				11:29AM 0.56				12:20AM 0.24

	Saturday 15				Sunday 16								Monday 17								Tuesday 18
Sunrise	-	-	-	-	-	-	6:20	-	-	-	-	-	-	-	6:20	-	-	-	-	-	-	-	6:20	-
Sunset	-	5:50	-	-	-	-	-	-	-	5:50	-	-	-	-	-	-	-	5:50	-	-	-	-	-	-

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

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

FREE! Surf-Forecast.com widget for your website

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