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 22 Jun 2026 (local time)

Forecast update in  hr  min

Today's Boat Basin Lefts sea temperature is
29.2° 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 (22 Jun):

  • Afternoon surf: Afternoon surf (22 Jun, local time) - 1.5ft (0.5m), 8s period with E swell.
  • Evening surf: Evening surf (22 Jun, local time) - 1.5ft (0.5m), 8s period with E swell.

The current surf forecast for Boat Basin Lefts at 8PM is: 0.5m 8s primary swell from a East direction (forecast issued at 03:00pm June 22). An open ocean swell of 0.8m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (ChST) & DateWave HeightWave Period
Morning (22 Jun)--
Afternoon (22 Jun)1.5ft (0.5m)8s
Evening (22 Jun)1.5ft (0.5m)8s

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 15mm), heaviest on Wed morning. Warm (max 30°C on Wed morning, min 27°C on Wed night). Wind will be generally light.

Mon
22
Tuesday
23
Wednesday
24
Thu
25
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
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
E
8
0.6
E
8
0.6
E
8
0.5
E
8
0.5
E
8
0.5
E
8
0.5
E
8
0.5
E
8
0.5
E
8
0.5
E
8
0.5
ENE
8
0.5
ENE
8
0.6
ENE
8
0.6
ENE
8
0.6
ENE
8
0.5
ENE
8
0.7
E
8
0.6
E
8
0.6
E
8
0.5
ENE
8
0.5
ENE
8
0.5
ENE
7
0.7
ENE
7
1
ENE
7
Wave Graph
Metric surfscale
Energy kJ
33
44
44
31
32
33
33
33
33
33
35
35
45
44
44
33
57
42
42
32
32
31
57
114
Wind (km/h)
0
WSW
5
NNW
5
N
10
N
10
N
10
NNW
10
NNW
10
NNW
15
NNW
15
N
10
NNE
10
ENE
10
ESE
15
SE
15
SE
20
SE
15
SSE
15
SE
10
ESE
10
ESE
10
E
10
E
20
E
25
ESE
Wind State
glassy
cross-on
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
off
off
off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
High Tide
1:36PM0.67m
2:05AM0.89m
3:21PM0.66m
2:35AM0.88m
5:01PM0.69m
3:05AM0.86m
Low Tide
7:16PM0.44m
9:16AM0.38m
8:05PM0.54m
10:06AM0.31m
9:03PM0.62m
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
part cloud
clear
part cloud
cloud
part cloud
part cloud
clear
clear
clear
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:50
6:50
6:50
6:51
 mm
1
2
1
3
1
1
1
3
1
1
1
Temp °C
29
29
29
28
28
28
28
29
29
29
29
28
28
28
28
29
30
30
29
28
28
27
28
28
Feels °C
34
33
34
32
32
32
31
32
32
32
33
32
32
31
30
31
33
33
33
31
31
30
29
29
Swell 1
Height (m)
Direction
Period (s)
0.7
SSW
7
0.7
SSW
7
0.8
SSW
7
0.7
SW
6
0.6
SW
7
0.6
SW
7
0.6
SW
7
0.5
E
8
0.6
WSW
7
0.6
WSW
7
0.6
WSW
7
0.6
WSW
8
0.6
ENE
8
0.6
ENE
8
0.6
ENE
8
0.5
ENE
8
0.7
E
8
0.6
E
8
0.5
WSW
8
0.5
WSW
8
0.6
WSW
8
0.6
WSW
8
0.5
WSW
8
0.5
WSW
8
Energy kJ
47
47
50
43
38
38
30
33
34
37
37
37
45
44
44
33
57
42
37
38
51
49
35
35
Swell 2
Height (m)
Direction
Period (s)
0.5
E
8
0.6
E
8
0.6
E
8
0.5
E
8
0.5
E
8
0.5
E
8
0.5
E
8
0.5
SW
7
0.5
E
8
0.5
E
8
0.5
ENE
8
0.5
ENE
8
0.6
WSW
8
0.6
WSW
8
0.6
WSW
8
0.5
WSW
7
0.5
WSW
7
0.5
WSW
8
0.6
E
8
0.5
ENE
8
0.5
ENE
8
0.5
ENE
7
0.4
SE
9
0.4
SE
9
Energy kJ
33
44
44
31
32
33
33
23
33
33
35
35
37
37
37
31
31
32
42
32
32
31
31
31
Swell 3
Height (m)
Direction
Period (s)
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
NNE
10
0.4
SE
10
0.4
NNE
11
0.6
SE
10
0.4
SE
10
0.6
SE
10
0.4
SE
10
0.4
SE
9
0.4
WNW
10
0.4
WNW
10
Energy kJ
40
29
29
27
27
26
35
36
35
36
26
25
25
24
36
33
38
57
32
57
32
31
34
32
Wind waves
Height (m)
Direction
Period (s)
0.3
SE
2
0.4
SE
3
0.4
S
8
0.7
ENE
7
1
ENE
7
Energy kJ
1
3
20
57
114
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)
11
11
0
11
11
11
11
11
11
11
11
26
0
0
0
1836
0
0
0
26
15
1290
20
26
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
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
1
1
1
Header Global
Rating
(10 max)
6
5
7
6
6
5
5
5
5
5
5
5
5
6
7
8
9
7
8
7
8
7
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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