Boat Basin Lefts Surf Break
GUAM

Boat Basin Lefts 48 hour detailed Surf Forecast

Lat Long: 13.48° N 144.75° E

Issued: 3 pm 10 Jun 2026 (local time)

Forecast update in  hr  min

Today's Boat Basin Lefts sea temperature is
29.3° C

Normal for this time of year

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 (10 Jun):

  • Afternoon surf: Afternoon surf (10 Jun, local time) - 2ft (0.6m), 10s period with NNE swell.
  • Evening surf: Evening surf (10 Jun, local time) - 2ft (0.6m), 10s period with NNE swell.

The current surf forecast for Boat Basin Lefts at 10PM is: 0.6m 10s primary swell from a North-northeast direction and 0.3m 8s secondary swell from a East direction (forecast issued at 03:00pm June 10). An open ocean swell of 0.5m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (10 Jun)--
Afternoon (10 Jun)2ft (0.6m)10s
Evening (10 Jun)2ft (0.6m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Wed night. Warm (max 29°C on Wed afternoon, min 26°C on Fri night). Wind will be generally light.

Wed
10
Thursday
11
Friday
12
Sat
13
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
1
1
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
Swell
Height Map
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)
0.7
NNE
11
0.6
NNE
10
0.6
NNE
10
0.6
NNE
10
0.6
NNE
10
0.5
NNE
10
0.5
NNE
10
0.5
NNE
9
0.5
NNE
9
0.5
NNE
9
0.5
NNE
9
0.4
NNE
9
0.4
NNE
9
0.4
NNE
9
0.4
NNE
9
0.4
NNE
9
0.4
NNE
9
0.4
NNE
9
0.4
E
8
0.4
E
8
0.4
E
8
0.4
E
8
0.5
E
9
0.5
E
9
Wave Graph
Metric surfscale
Energy kJ
117
82
80
78
77
56
54
49
48
47
47
32
32
32
32
30
30
29
28
21
21
22
42
42
Wind (km/h)
15
E
15
E
15
ENE
10
ENE
15
E
15
E
15
E
15
ENE
15
ENE
20
ENE
15
ENE
15
ENE
15
ENE
10
ENE
15
E
15
E
15
E
15
E
10
E
10
ENE
10
ENE
10
E
10
E
10
E
Wind State
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
3:42PM0.68m
3:10AM0.90m
5:16PM0.74m
3:46AM0.91m
6:32PM0.81m
4:26AM0.92m
Low Tide
8:49PM0.51m
10:30AM0.27m
9:58PM0.59m
11:17AM0.15m
11:08PM0.65m
clear
clear
clear
clear
thunderstorm
clear
clear
thunderstorm
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:46
6:46
6:47
6:47
 mm
1
1
1
1
Temp °C
29
29
28
28
28
28
27
28
29
29
28
28
28
27
28
29
29
29
28
27
27
26
27
28
Feels °C
31
31
31
32
31
31
30
30
31
31
31
31
31
30
32
31
31
30
30
30
30
28
30
30
Swell 1
Height (m)
Direction
Period (s)
0.7
NNE
11
0.6
NNE
10
0.6
NNE
10
0.6
NNE
10
0.6
NNE
10
0.5
NNE
10
0.5
NNE
10
0.5
NNE
9
0.5
NNE
9
0.5
NNE
9
0.5
NNE
9
0.4
NNE
9
0.4
NNE
9
0.4
NNE
9
0.4
NNE
9
0.4
NNE
9
0.4
NNE
9
0.5
E
8
0.4
E
8
0.4
E
8
0.4
E
8
0.4
E
8
0.5
E
9
0.5
E
9
Energy kJ
117
82
80
78
77
56
54
49
48
47
47
32
32
32
32
30
30
32
19
21
21
22
42
42
Swell 2
Height (m)
Direction
Period (s)
0.3
ENE
8
0.3
E
8
0.3
E
8
0.3
E
8
0.3
E
8
0.3
E
8
0.3
E
8
0.3
E
8
0.3
E
8
0.3
E
8
0.3
E
8
0.4
ESE
5
0.3
E
8
0.3
E
8
0.3
E
8
0.3
E
8
0.3
E
8
0.4
NNE
9
0.4
NNE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
Energy kJ
12
11
11
12
12
12
12
12
12
11
11
8
11
10
10
10
11
29
28
18
18
18
18
17
Swell 3
Height (m)
Direction
Period (s)
0.2
ESE
10
0.2
ESE
10
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.3
E
8
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
ESE
9
0.2
WNW
11
0.2
WNW
11
0.2
WNW
10
Energy kJ
9
9
9
9
8
8
8
8
8
8
8
11
8
8
8
8
8
8
8
8
8
11
11
10
Wind waves
Height (m)
Direction
Period (s)
0.6
E
5
0.6
E
5
0.5
E
5
0.5
E
5
0.5
E
5
0.6
E
4
0.6
E
4
0.5
E
5
0.5
E
5
0.5
E
5
0.5
E
5
0.3
NE
3
0.5
E
5
0.5
E
4
0.5
E
4
0.5
E
4
0.4
ESE
5
Energy kJ
17
17
13
13
13
13
15
11
12
12
12
2
12
7
7
9
8
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
1304
1304
0
0
20
0
0
0
1304
1304
0
0
0
0
0
1304
0
1304
0
1304
1304
0
0
0
Best forecast wave conditions in Guam
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in Guam
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
5
4
6
8
7
8
9
9
7
6
7
6
6
5
5
5
6
6
7
7
8
8
7
6
  • 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

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