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Surf Forecasts:

Boat Basin Lefts surf break

Boat Basin Lefts surfForecast / Guam / Guam

information circle48hr Weather and Surf, issued 9 am Friday 23 Jan 2026 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
28.5° 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 6PM is: 0.6m 11s primary swell from a Northwest direction (forecast issued at 09:00am January 23). An open ocean swell of 1.1m 8s is not directed at the surf break, a second open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (23 Jan)1.5ft (0.5m)9s
Afternoon (23 Jan)1.5ft (0.5m)11s
Evening (23 Jan)2.5ft (0.7m)11s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Friday
23
Saturday
24
Sunday
25
Mon
26
7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM
Rating
(10 max)
1
1
0
0
0
0
1
1
1
1
1
2
3
4
4
4
3
3
3
2
2
2
3
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
W
0.5
W
0.4
NW
0.5
NW
0.6
NW
0.8
NW
0.8
NW
0.9
NW
1
NW
1.1
NW
1.1
NW
1.2
NW
1.3
NW
2.1
NNW
2.2
NNW
2.1
N
2.1
N
2.1
N
2
N
1.8
N
1.8
N
1.8
N
1.7
N
1.7
N
Period(s) (?)9912111110101010111111111111111010101010999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4348526497127144163173263293326396101610661026988936792625587551480490
Wind
(km/h)
20
SE
25
SSE
30
SSE
25
S
25
S
25
S
25
S
20
S
20
S
20
SSW
20
SSW
15
S
15
SSE
15
SSE
10
SSE
10
SSE
5
S
5
SE
5
E
5
NE
10
NE
10
NE
10
ENE
10
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		glassglassglasscrosscrosscrosscross-
off		cross
High Tide
/ height (m)
11:12AM
0.91
10:26PM
0.78
11:36AM
0.91
11:36PM
0.74
12:03PM
0.91
1:03AM
0.70
Low Tide
/ height (m)
4:17AM
0.22
5:16PM
0.51
4:52AM
0.31
6:06PM
0.44
5:30AM
0.41
7:01PM
0.36
Friday
23
Saturday
24
Sunday
25
Mon
26
Sunrise6:48-------6:48-------6:48-------
Sunset---6:15-------6:16-------6:16----
thunderstorm
thunderstorm
clear
thunderstorm
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
part cloud
thunderstorm
Rain (mm)
11-1--------1242-11-1--2
Temp. °C272828282828272727282929272727272727282828272726
Feels °C (?)303029292930292929303132303031313231323232303029
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 Boat Basin Lefts 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.

View detailed surf forecast for Boat Basin Lefts at:
surf-forecast.com

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