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 26 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 (27 Jun):

  • Morning surf: Morning surf (27 Jun, local time) - 4.5ft (1.4m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (27 Jun, local time) - 4.5ft (1.3m), 8s period with E swell.
  • Evening surf: Evening surf (27 Jun, local time) - 4ft (1.2m), 8s period with E swell.

The current surf forecast for Boat Basin Lefts at 3AM is: 1.4m 8s primary swell from a East direction and 0.6m 11s secondary swell from a West-northwest direction (forecast issued at 09:00pm June 26). An open ocean swell of 0.4m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (27 Jun)4.5ft (1.4m)8s
Afternoon (27 Jun)4.5ft (1.3m)8s
Evening (27 Jun)4ft (1.2m)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

Light rain (total 8mm), mostly falling on Fri night. Warm (max 30°C on Sun morning, min 27°C on Fri night). Wind will be generally light.

Fri
26
Saturday
27
Sunday
28
Monday
29
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
2
1
1
1
1
1
1
1
1
2
2
1
0
0
0
0
1
1
1
2
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)
1.5
E
8
1.5
E
8
1.4
E
8
1.4
E
8
1.4
E
8
1.3
E
8
1.3
E
8
1.3
E
8
1.2
E
8
1.2
E
8
1.2
E
8
1.1
E
8
1.1
E
8
1
E
8
1
E
8
1
E
8
1
E
8
1
E
8
1
E
8
1
E
8
0.9
E
8
0.9
E
8
0.9
E
8
0.9
E
8
Wave Graph
Metric surfscale
Energy kJ
256
263
229
229
222
196
202
202
176
176
172
144
141
116
116
116
120
120
127
130
108
108
108
108
Wind (km/h)
20
ESE
25
ESE
20
ESE
20
E
20
E
25
E
20
E
20
E
15
E
15
E
15
E
15
E
15
E
20
E
20
E
20
E
15
E
15
E
10
E
15
E
15
E
20
E
20
E
15
E
Wind State
cross-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
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
7:14PM0.77m
4:15AM0.84m
7:57PM0.80m
4:54AM0.83m
8:35PM0.82m
5:36AM0.83m
Low Tide
11:18PM0.69m
12:08PM0.15m
00:16AM0.70m
12:47PM0.11m
1:04AM0.70m
1:25PM0.09m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:51
6:51
6:51
 mm
1
2
2
1
1
1
1
Temp °C
28
28
27
27
28
29
29
29
28
28
27
28
28
29
30
29
29
28
28
28
28
29
30
29
Feels °C
29
30
29
29
30
31
31
31
31
31
30
31
31
31
32
30
32
31
32
31
30
30
32
31
Swell 1
Height (m)
Direction
Period (s)
0.8
WNW
12
0.7
WNW
11
0.7
WNW
11
0.6
WNW
11
0.6
WNW
11
0.6
WNW
11
0.5
W
10
0.5
W
10
0.5
W
10
0.5
WNW
10
0.5
WNW
10
1.1
E
8
0.5
WNW
10
0.4
WNW
10
0.4
WNW
10
0.4
WNW
10
0.4
NNE
11
0.4
NNE
11
0.4
NNE
11
0.4
NNE
11
0.9
E
8
0.9
E
8
0.9
E
8
0.9
E
8
Energy kJ
186
133
128
93
93
91
51
50
50
62
59
144
57
38
38
35
38
38
38
38
108
108
108
108
Swell 2
Height (m)
Direction
Period (s)
0.3
NNE
11
0.3
NNE
10
0.4
SE
10
0.4
SE
10
0.4
SE
9
0.4
SE
9
0.4
WNW
12
0.4
WNW
12
0.4
NW
12
0.4
SE
9
0.4
SE
9
0.5
WNW
10
0.4
SE
9
0.4
SE
9
0.4
NNE
12
0.4
NNE
11
0.4
WNW
9
0.4
WNW
9
0.3
WNW
9
0.3
WNW
9
0.4
NNE
10
0.4
NNE
10
0.4
NNE
10
0.3
NNE
10
Energy kJ
22
20
33
32
31
30
58
58
36
31
22
58
22
21
45
40
34
32
16
16
37
33
33
19
Swell 3
Height (m)
Direction
Period (s)
0.3
WSW
7
0.3
WSW
7
0.3
NNE
10
0.4
WNW
13
0.3
NNE
10
0.3
NNE
9
0.4
SE
9
0.4
SE
10
0.4
SE
9
0.3
NNE
9
0.3
NNE
12
0.4
SE
9
0.3
NNE
12
0.3
NNE
12
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.3
WNW
9
0.3
WNW
9
0.3
WNW
8
0.3
SE
9
Energy kJ
11
10
20
58
18
16
30
32
31
15
27
21
26
26
21
21
21
20
20
20
16
15
14
12
Wind waves
Height (m)
Direction
Period (s)
1.5
E
8
1.5
E
8
1.4
E
8
1.4
E
8
1.4
E
8
1.3
E
8
1.3
E
8
1.3
E
8
1.2
E
8
1.2
E
8
1.2
E
8
1.1
E
8
1
E
8
1
E
8
1
E
8
1
E
8
1
E
8
1
E
8
1
E
8
0.9
ENE
8
Energy kJ
256
263
229
229
222
196
202
202
176
176
172
141
116
116
116
120
120
127
130
105
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
2
1
1
1
Distance (km)
20
0
20
20
20
20
20
20
1864
1858
0
0
1290
24
24
1958
20
0
0
0
0
1290
1290
1290
Best forecast wave conditions in Guam
Rating
(10 max)
2
2
1
1
1
1
1
1
2
2
1
1
1
1
1
1
2
Best forecast wave conditions in Guam
Rating
(10 max)
2
2
1
1
1
1
1
1
2
2
1
1
1
1
1
1
2
Header Global
Rating
(10 max)
5
6
7
7
5
6
6
6
5
5
5
5
4
9
8
7
6
5
5
6
6
6
8
7
  • 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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