Boat Basin Lefts Surf Break

Lat Long: 13.48° N 144.75° E

GUAM

Boat Basin Lefts 48 hour detailed Surf Forecast

Issued: 3 pm 22 Jul 2026 (local time)

Forecast update in  hr  min

Today's Boat Basin Lefts sea temperature is
29.1° C
0.3° 

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


How big are the waves at Boat Basin Lefts today (22 Jul):

  • Afternoon surf: Afternoon surf (22 Jul, local time) - 1.5ft (0.4m), 9s period with ENE swell.
  • Evening surf: Evening surf (22 Jul, local time) - 1.5ft (0.4m), 9s period with ENE swell.

The current surf forecast for Boat Basin Lefts at 8PM is: 0.4m 9s primary swell from a East-northeast direction (forecast issued at 03:00pm July 22). An open ocean swell of 1.0m 7s is not directed at the surf break, a second open ocean swell of 0.5m 10s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (ChST) & DateWave HeightWave Period
Morning (22 Jul)--
Afternoon (22 Jul)1.5ft (0.4m)9s
Evening (22 Jul)1.5ft (0.4m)9s

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


Short Range Forecast

Moderate rain (total 12mm), heaviest on Wed afternoon. Warm (max 29°C on Wed afternoon, min 27°C on Wed night). Wind will be generally light.

Wed
22
Thursday
23
Friday
24
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
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.3
ENE
9
0.3
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
Wave Graph
Metric surfscale
Energy kJ
27
27
27
26
27
27
27
26
26
26
26
16
16
26
26
26
25
25
25
25
Wind (km/h)
10
SW
10
WSW
5
NW
5
NNE
5
NNE
5
NNE
5
NNE
5
N
10
NNW
10
NNW
15
N
10
N
15
N
10
N
10
N
10
NNW
10
NNW
10
NNW
5
NNE
5
ENE
Wind State
cross
cross-on
glassy
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross
glassy
High Tide
3:12PM0.67m
1:23AM0.85m
5:00PM0.69m
1:58AM0.83m
6:20PM0.73m
Low Tide
7:07PM0.61m
9:16AM0.28m
8:04PM0.67m
10:07AM0.24m
9:26PM0.70m
clear
thunderstorm
thunderstorm
clear
thunderstorm
clear
clear
thunderstorm
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:51
6:51
6:51
 mm
1
5
1
2
2
1
Temp °C
30
29
29
28
27
27
27
28
29
29
28
28
27
27
27
28
29
29
28
28
Feels °C
34
33
34
32
31
31
31
32
33
32
31
32
30
30
31
32
32
33
32
33
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

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.


Nearest locationNearest