Boat Basin Lefts Surf Break

Lat Long: 13.48° N 144.75° E

GUAM

Boat Basin Lefts 48 hour detailed Surf Forecast

Issued: 3 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) - 1.5ft (0.4m), 8s period with ENE swell.

The current surf forecast for Boat Basin Lefts at 8AM is: 0.3m 8s primary swell from a East-northeast direction (forecast issued at 03:00am July 25). An open ocean swell of 0.6m 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 cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (25 Jul)1ft (0.3m)8s
Afternoon (25 Jul)1ft (0.3m)8s
Evening (25 Jul)1.5ft (0.4m)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
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
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
ENE
8
0.3
ENE
8
0.3
ENE
8
0.3
ENE
8
0.3
ENE
8
0.4
ENE
8
0.4
NE
8
0.4
ENE
8
0.5
E
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
0.8
E
8
0.9
ESE
5
0.3
ENE
8
Wave Graph
Metric surfscale
Energy kJ
24
14
14
14
14
28
17
23
47
28
27
26
26
26
26
26
26
26
25
24
14
86
0
13
Wind (km/h)
5
NE
10
E
10
ESE
10
ESE
15
SE
10
ESE
10
ESE
15
ESE
15
ESE
10
ESE
15
E
15
E
20
ESE
20
E
15
E
15
E
15
E
15
E
20
E
20
E
20
E
20
E
15
E
15
E
Wind State
cross
cross-off
cross-off
off
off
off
cross-off
cross-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
cross-off
cross-off
High Tide
2:40AM0.82m
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
thunderstorm
clear
clear
clear
part cloud
clear
clear
thunderstorm
clear
part cloud
part cloud
clear
thunderstorm
part cloud
part cloud
thunderstorm
clear
clear
clear
part cloud
clear
thunderstorm
thunderstorm
clear
<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
1
Temp °C
27
27
27
29
30
30
28
28
28
27
28
29
29
29
28
28
27
27
27
28
29
29
28
28
Feels °C
31
31
31
32
33
33
32
32
32
30
31
32
31
31
31
31
30
30
29
29
30
31
31
31
  • 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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