Boat Basin Lefts Surf Break
GUAM

Boat Basin Lefts 48 hour detailed Surf Forecast

Lat Long: 13.48° N 144.75° E

Issued: 9 pm 12 Jun 2026 (local time)

Forecast update in  hr  min

Today's Boat Basin Lefts sea temperature is
29.4° 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 (13 Jun):

  • Morning surf: Morning surf (13 Jun, local time) - 1.5ft (0.4m), 9s period with E swell.
  • Afternoon surf: Afternoon surf (13 Jun, local time) - 1.5ft (0.5m), 9s period with E swell.
  • Evening surf: Evening surf (13 Jun, local time) - 1.5ft (0.5m), 9s period with E swell.

The current surf forecast for Boat Basin Lefts at 4AM is: 0.4m 8s primary swell from a Northeast direction and 0.3m 8s secondary swell from a East direction (forecast issued at 09:00pm June 12). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (13 Jun)1.5ft (0.4m)9s
Afternoon (13 Jun)1.5ft (0.5m)9s
Evening (13 Jun)1.5ft (0.5m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 30°C on Sat morning, min 27°C on Fri night). Wind will be generally light.

Fri
12
Saturday
13
Sunday
14
Monday
15
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
1 PM
4 PM
Rating
(10 max)
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)
0.5
E
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
E
9
0.4
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
8
0.5
E
8
0.5
E
9
0.6
E
9
0.5
E
9
0.6
E
9
0.6
E
9
0.5
E
9
Wave Graph
Metric surfscale
Energy kJ
30
18
18
18
27
27
41
41
41
40
40
39
39
39
38
38
37
37
39
55
38
55
56
39
Wind (km/h)
15
E
10
E
10
E
10
E
10
ENE
15
E
15
E
15
E
10
E
10
E
5
ENE
10
E
10
E
15
E
15
E
15
ENE
10
ENE
10
ENE
10
ENE
10
ENE
15
ENE
15
E
15
ENE
15
ENE
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
6:32PM0.81m
4:26AM0.92m
7:35PM0.88m
5:11AM0.94m
8:32PM0.92m
6:00AM0.95m
Low Tide
11:08PM0.65m
12:05PM0.04m
00:15AM0.70m
12:54PM-0.04m
1:16AM0.72m
1:44PM-0.09m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
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>
6:47
6:47
6:47
 mm
Temp °C
28
28
27
27
27
29
30
29
28
28
27
27
27
29
30
30
29
28
28
27
28
29
30
30
Feels °C
31
31
30
30
30
32
32
31
31
32
31
31
31
32
32
32
32
31
32
30
31
31
32
32
Swell 1
Height (m)
Direction
Period (s)
0.4
NNE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
E
9
0.4
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
8
0.5
E
8
0.5
E
9
0.6
E
9
0.5
E
9
0.6
E
9
0.6
E
9
0.5
E
9
Energy kJ
28
18
18
18
27
27
41
41
41
40
40
39
39
39
38
38
37
37
39
55
38
55
56
39
Swell 2
Height (m)
Direction
Period (s)
0.2
ESE
9
0.3
E
8
0.3
ESE
5
0.3
E
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.3
NE
8
0.3
NE
8
0.3
NE
8
0.3
NE
8
0.3
NE
8
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.3
SE
10
0.4
SE
8
0.4
SE
9
0.4
SE
9
Energy kJ
8
11
4
13
18
17
17
17
17
17
16
16
10
10
10
11
11
26
23
25
16
17
26
29
Swell 3
Height (m)
Direction
Period (s)
0.2
WNW
11
0.2
NNE
4
0.3
E
8
0.2
WNW
11
0.2
WNW
11
0.2
WNW
10
0.2
ESE
8
0.2
ESE
8
0.2
ESE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.2
ESE
9
0.3
SE
9
0.2
ESE
8
0.2
ESE
8
0.3
SE
10
0.3
NE
8
0.3
NE
8
0.3
NE
8
0.3
SE
9
0.3
SE
10
0.3
NE
7
0.3
NE
7
Energy kJ
11
2
12
11
11
10
7
7
7
12
12
12
8
12
7
7
17
11
10
10
12
16
8
9
Wind waves
Height (m)
Direction
Period (s)
0.5
E
8
0.3
ESE
5
0.1
NE
4
0.4
E
4
0.4
E
4
0.3
E
4
0.4
E
5
Energy kJ
30
5
1
6
6
4
7
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
0
1373
1304
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1996
0
2256
2258
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
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
1
1
1
Header Global
Rating
(10 max)
8
9
6
4
7
8
7
5
5
5
5
5
5
5
5
4
7
5
5
5
9
5
5
5
  • 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
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