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 14 Jun 2026 (local time)

Forecast update in  hr  min

Today's Boat Basin Lefts sea temperature is
29.5° 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 (15 Jun):

  • Morning surf: Morning surf (15 Jun, local time) - 1.5ft (0.5m), 9s period with E swell.
  • Afternoon surf: Afternoon surf (15 Jun, local time) - 1.5ft (0.5m), 9s period with E swell.
  • Evening surf: Evening surf (15 Jun, local time) - 2ft (0.6m), 9s period with E swell.

The current surf forecast for Boat Basin Lefts at 6AM is: 0.5m 9s primary swell from a East direction (forecast issued at 09:00pm June 14). An open ocean swell of 0.3m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (15 Jun)1.5ft (0.5m)9s
Afternoon (15 Jun)1.5ft (0.5m)9s
Evening (15 Jun)2ft (0.6m)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

Moderate rain (total 13mm), heaviest on Tue afternoon. Warm (max 30°C on Mon morning, min 27°C on Sun night). Wind will be generally light.

Sun
14
Monday
15
Tuesday
16
Wednesday
17
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)
0
0
0
0
0
0
0
0
1
1
1
1
0
1
0
0
1
1
1
0
1
1
1
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)
0.5
E
8
0.5
E
8
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
ENE
9
0.6
ENE
9
0.5
E
9
0.7
ENE
9
0.7
ENE
9
0.7
ENE
9
0.6
ENE
9
Wave Graph
Metric surfscale
Energy kJ
35
35
37
37
36
37
38
38
56
56
56
56
59
57
55
56
56
62
62
39
80
79
79
59
Wind (km/h)
10
ENE
10
ENE
10
E
10
ENE
10
E
15
E
20
E
15
E
15
E
15
E
10
E
10
E
10
E
15
ENE
15
ENE
10
NE
15
NE
10
ENE
10
E
10
E
10
E
10
E
10
ENE
10
NE
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
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
High Tide
8:32PM0.92m
6:00AM0.95m
9:25PM0.95m
6:51AM0.95m
10:15PM0.95m
7:45AM0.94m
Low Tide
1:16AM0.72m
1:44PM-0.09m
2:13AM0.73m
2:35PM-0.10m
3:08AM0.72m
3:25PM-0.07m
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:47
6:49
6:49
 mm
1
1
1
1
1
1
1
1
1
2
2
Temp °C
29
28
27
27
28
29
30
29
29
28
28
28
28
29
29
29
28
28
28
28
28
29
30
30
Feels °C
33
32
31
30
31
31
32
31
32
31
32
32
31
32
32
32
31
31
32
32
32
32
33
33
Swell 1
Height (m)
Direction
Period (s)
0.5
E
8
0.5
E
8
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.6
E
9
0.4
SE
9
0.4
SE
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
ENE
9
0.6
ENE
9
0.5
E
9
0.7
ENE
9
0.7
ENE
9
0.7
ENE
9
0.6
ENE
9
Energy kJ
35
35
37
37
36
37
38
38
56
29
20
56
59
57
55
56
56
62
62
39
80
79
79
59
Swell 2
Height (m)
Direction
Period (s)
0.4
NE
8
0.4
NE
8
0.4
SE
10
0.4
SE
10
0.3
SE
10
0.3
SE
8
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.3
NE
7
0.3
NE
7
0.4
SE
9
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.5
SE
9
Energy kJ
18
17
23
25
16
11
26
29
29
7
7
21
44
45
45
45
44
42
41
41
41
41
41
41
Swell 3
Height (m)
Direction
Period (s)
0.3
SE
10
0.3
SE
10
0.3
NE
8
0.3
NE
8
0.3
SE
9
0.3
SE
10
0.3
NE
7
0.3
NE
7
0.3
NE
7
0.2
S
8
0.2
S
8
0.3
NE
7
0.2
S
8
0.2
N
9
0.2
S
7
0.2
N
9
0.3
N
10
0.3
N
10
0.3
N
9
0.5
NE
6
0.3
N
9
0.3
N
9
0.3
N
8
0.3
N
8
Energy kJ
17
16
10
10
12
16
8
9
9
5
5
8
4
6
4
6
16
16
15
15
14
14
13
12
Wind waves
Height (m)
Direction
Period (s)
0.6
E
9
0.6
E
9
0.3
NE
5
0.3
NE
5
Energy kJ
56
56
3
4
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
0
0
0
0
2190
2425
1958
2258
0
0
0
0
0
0
0
1958
0
0
0
0
0
0
0
2055
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
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
Header Global
Rating
(10 max)
4
5
5
9
9
5
5
5
5
5
5
5
5
5
5
5
5
5
5
4
4
4
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
How to use the Wavefinder

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