Boat Basin Lefts Surf Break

Lat Long: 13.48° N 144.75° E

GUAM

Boat Basin Lefts 48 hour detailed Surf Forecast

Issued: 9 am 25 Jul 2026 (local time)

Forecast update in  hr  min

Today's Boat Basin Lefts sea temperature is
29.4° C
0.0° 

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 (25 Jul):

  • Morning surf: Morning surf (25 Jul, local time) - 1ft (0.3m), 8s period with ENE swell.
  • Afternoon surf: Afternoon surf (25 Jul, local time) - 1ft (0.3m), 8s period with ENE swell.
  • Evening surf: Evening surf (25 Jul, local time) - 1ft (0.3m), 8s period with ENE swell.

The current surf forecast for Boat Basin Lefts at 2PM is: 0.3m 8s primary swell from a East-northeast direction (forecast issued at 09:00am July 25). An open ocean swell of 0.7m 8s is not directed at the surf break, a second open ocean swell of 0.6m 10s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (ChST) & DateWave HeightWave Period
Morning (25 Jul)1ft (0.3m)8s
Afternoon (25 Jul)1ft (0.3m)8s
Evening (25 Jul)1ft (0.3m)8s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Mon night. Warm (max 30°C on Sat morning, min 27°C on Sat night). Wind will be generally light.

Saturday
25
Sunday
26
Monday
27
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
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)
0.3
ENE
8
0.3
ENE
8
0.3
ENE
8
0.4
ENE
8
0.4
NE
8
0.3
ENE
8
0.4
ENE
10
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
8
0.3
ENE
8
0.3
ENE
8
0.3
ENE
8
0.3
ENE
8
Wave Graph
Metric surfscale
Energy kJ
14
14
14
28
17
14
31
28
27
26
26
26
26
26
26
26
25
24
14
14
13
13
Wind (km/h)
5
ESE
10
ESE
15
SE
10
ESE
10
SE
15
ESE
10
SE
10
SE
15
SE
15
ESE
15
ESE
15
E
15
E
15
E
15
E
15
E
20
E
20
E
20
E
20
E
20
E
15
E
Wind State
cross-off
off
off
off
off
off
off
off
off
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
7:09PM0.76m
3:31AM0.81m
7:46PM0.79m
4:25AM0.81m
8:18PM0.81m
Low Tide
10:56AM0.20m
10:49PM0.71m
11:42AM0.16m
11:53PM0.71m
12:25PM0.13m
clear
clear
clear
clear
clear
thunderstorm
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:50
6:50
6:50
 mm
1
1
1
1
1
Temp °C
27
29
30
30
28
28
27
27
27
29
29
29
28
27
27
27
27
28
29
29
28
27
Feels °C
31
32
33
33
31
32
30
30
30
32
32
32
31
30
30
29
29
30
31
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)
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.


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