Boat Basin Lefts Surf Break
GUAM

Boat Basin Lefts 48 hour detailed Surf Forecast

Lat Long: 13.48° N 144.75° E

Issued: 9 am 29 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 (29 Jun):

  • Morning surf: Morning surf (29 Jun, local time) - 3.5ft (1.0m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (29 Jun, local time) - 3.5ft (1.0m), 8s period with ENE swell.
  • Evening surf: Evening surf (29 Jun, local time) - 3.5ft (1.1m), 8s period with ENE swell.

The current surf forecast for Boat Basin Lefts at 6PM is: 1.0m 8s primary swell from a East-northeast direction and 0.3m 10s secondary swell from a North-northeast direction (forecast issued at 09:00am June 29). An open ocean swell of 0.3m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (29 Jun)3.5ft (1.0m)8s
Afternoon (29 Jun)3.5ft (1.0m)8s
Evening (29 Jun)3.5ft (1.1m)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 5mm), mostly falling on Mon night. Warm (max 30°C on Tue morning, min 27°C on Mon night). Wind will be generally light.

Monday
29
Tuesday
30
Wednesday
1
Thu
2
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
7 PM
10 PM
1 AM
4 AM
Rating
(10 max)
1
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
1
1
1
1
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
E
8
1
E
8
1
E
8
1
ENE
8
1.1
ENE
8
1.1
ENE
8
1.1
ENE
8
1
ENE
8
1
ENE
8
1
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
9
0.8
ENE
8
0.8
ENE
8
Wave Graph
Metric surfscale
Energy kJ
134
137
137
144
171
171
171
144
144
144
112
112
119
96
88
88
81
81
125
120
120
123
96
96
Wind (km/h)
15
ENE
20
ENE
25
ENE
25
ENE
20
ENE
20
E
15
E
15
E
10
E
15
E
15
E
15
E
15
E
15
E
15
E
15
E
15
E
20
E
20
E
15
E
15
ENE
15
ENE
10
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
5:36AM0.83m
9:12PM0.84m
6:18AM0.84m
9:47PM0.85m
7:00AM0.84m
10:21PM0.86m
Low Tide
1:25PM0.09m
1:47AM0.70m
2:04PM0.07m
2:28AM0.69m
2:41PM0.08m
3:09AM0.68m
clear
clear
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
thunderstorm
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:51
6:51
6:52
6:52
 mm
1
1
1
1
1
Temp °C
27
28
29
29
28
28
28
27
28
29
30
29
28
28
28
27
28
29
30
29
29
28
28
28
Feels °C
30
29
30
30
29
30
31
30
32
32
32
31
31
31
31
30
31
31
32
31
32
31
32
31
Swell 1
Height (m)
Direction
Period (s)
1
E
8
0.4
NNE
10
0.3
NNE
10
0.3
NNE
10
0.3
NNE
10
0.3
WNW
9
0.3
WNW
9
1
ENE
8
1
ENE
8
1
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.4
E
9
0.4
E
9
0.4
E
10
0.3
SE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
9
0.8
ENE
8
0.8
ENE
8
Energy kJ
134
33
19
19
19
16
15
144
144
144
112
112
119
96
88
24
25
30
11
120
120
123
96
96
Swell 2
Height (m)
Direction
Period (s)
0.4
NNE
10
0.3
WNW
9
0.3
WNW
8
0.3
SE
9
0.3
SE
9
0.3
NNE
10
0.3
NNE
10
0.3
WNW
9
0.3
WNW
8
0.3
SE
8
0.3
NNE
7
0.3
NNE
6
0.3
SE
8
0.3
SE
8
0.4
E
9
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.1
SW
6
0.3
SE
8
0.3
SE
8
0.4
SE
8
0.3
SE
8
0.3
SE
8
Energy kJ
37
15
14
12
12
19
18
15
14
11
9
8
11
11
24
11
11
11
2
11
11
18
11
10
Swell 3
Height (m)
Direction
Period (s)
0.3
WNW
9
0.3
SE
9
0.3
SE
9
0.2
WNW
8
0.2
WNW
8
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.3
WNW
8
0.3
SE
8
0.3
SE
8
0.2
WNW
8
0.2
WNW
8
0.3
SE
8
0.2
WNW
8
0.2
WNW
8
0.1
NW
8
0.1
NW
7
0.1
SW
6
0.1
SW
6
0.1
SW
6
0.1
SW
6
0.1
SE
9
Energy kJ
16
12
12
7
7
11
11
11
11
14
11
11
6
6
11
6
6
2
2
2
2
2
2
3
Wind waves
Height (m)
Direction
Period (s)
1
E
8
1
E
8
1
ENE
8
1.1
ENE
8
1.1
ENE
8
1.1
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.4
NE
3
Energy kJ
137
137
144
171
171
171
88
81
81
125
2
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
1836
1908
1908
2097
1866
1290
0
0
0
0
0
0
0
0
0
0
1836
1290
1290
0
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
Best forecast wave conditions in Guam
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
6
9
6
6
7
7
5
6
5
5
5
5
5
5
5
5
5
5
5
5
5
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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