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 23 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 (23 Jun):

  • Morning surf: Morning surf (23 Jun, local time) - 1.5ft (0.5m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (23 Jun, local time) - 3.5ft (1.0m), 8s period with NE swell.
  • Evening surf: Evening surf (23 Jun, local time) - 2.5ft (0.8m), 8s period with ENE swell.

The current surf forecast for Boat Basin Lefts at 3PM is: 1.0m 8s primary swell from a Northeast direction and 0.4m 4s secondary swell from a North-northwest direction (forecast issued at 09:00am June 23). An open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (ChST) & DateWave HeightWave Period
Morning (23 Jun)1.5ft (0.5m)8s
Afternoon (23 Jun)3.5ft (1.0m)8s
Evening (23 Jun)2.5ft (0.8m)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

Heavy rain (total 24mm), heaviest during Wed morning. Warm (max 30°C on Wed morning, min 28°C on Tue night). Wind will be generally light.

Tuesday
23
Wednesday
24
Thursday
25
Fri
26
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)
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
1
0
1
1
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)
0.5
E
8
0.5
E
8
0.5
E
8
1
NE
8
0.9
ENE
8
0.8
ENE
8
0.7
ENE
7
0.7
ENE
7
0.7
ENE
7
0.5
E
6
0.6
E
7
0.6
E
7
0.6
E
7
0.6
E
8
0.7
E
7
0.9
E
7
1.2
E
7
1.3
E
7
0.8
WNW
12
0.8
WNW
12
0.8
WNW
12
0.8
WNW
12
0.9
WNW
12
0.9
WNW
12
Wave Graph
Metric surfscale
Energy kJ
33
33
33
123
106
66
57
54
55
20
39
40
40
41
54
86
147
178
195
195
192
192
203
210
Wind (km/h)
20
NNW
20
NNW
15
NNW
10
NW
10
WNW
10
WSW
10
S
15
S
15
SSE
20
SSE
15
SSE
15
SE
15
ESE
15
SE
15
ESE
20
ESE
25
ESE
25
ESE
25
ESE
20
E
20
E
20
ESE
15
E
15
E
Wind State
on
cross-on
on
on
cross-on
cross-on
cross-off
cross-off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
3:21PM0.66m
2:35AM0.88m
5:01PM0.69m
3:05AM0.86m
6:19PM0.73m
3:38AM0.85m
Low Tide
9:16AM0.38m
8:05PM0.54m
10:06AM0.31m
9:03PM0.62m
10:49AM0.25m
10:10PM0.67m
clear
clear
clear
clear
part cloud
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
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>
5:54
5:54
5:54
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:50
6:50
6:51
6:51
 mm
1
5
2
3
4
5
4
Temp °C
28
29
29
29
29
28
28
28
28
29
30
30
28
28
28
28
28
29
29
29
29
28
28
28
Feels °C
30
31
31
32
33
32
32
32
31
31
33
33
31
31
31
30
29
30
30
30
31
30
31
30
Swell 1
Height (m)
Direction
Period (s)
0.6
SW
7
0.5
SW
7
0.6
WSW
7
1
NE
8
0.9
ENE
8
0.8
ENE
8
0.7
ENE
7
0.7
ENE
7
0.7
ENE
7
0.5
WSW
7
0.6
E
7
0.6
E
7
0.6
E
7
0.6
E
8
0.5
WSW
8
0.5
WSW
8
0.6
WNW
13
0.7
WNW
13
0.8
WNW
12
0.8
WNW
12
0.8
WNW
12
0.8
WNW
12
0.9
WNW
12
0.9
WNW
12
Energy kJ
30
23
35
123
106
66
57
54
55
31
39
40
40
41
37
37
131
178
195
195
192
192
203
210
Swell 2
Height (m)
Direction
Period (s)
0.5
E
8
0.5
E
8
0.5
E
8
0.6
WSW
7
0.6
WSW
8
0.6
N
6
0.6
WSW
8
0.6
WSW
8
0.5
WSW
8
0.5
E
6
0.5
WSW
7
0.5
WSW
8
0.6
WSW
8
0.5
WSW
8
0.4
SE
9
0.4
SE
9
0.5
WSW
8
0.5
WSW
8
0.4
WSW
8
0.4
WSW
8
0.4
WSW
8
0.4
SE
9
0.4
SE
9
0.4
SE
9
Energy kJ
33
33
33
37
37
22
37
37
32
20
31
32
45
38
31
31
35
35
23
23
23
30
31
29
Swell 3
Height (m)
Direction
Period (s)
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.6
N
8
0.6
WSW
8
0.5
N
6
0.5
N
6
0.4
NNE
10
0.4
SE
10
0.4
SE
10
0.5
SE
10
0.4
SE
10
0.4
SE
10
0.4
NNE
10
0.5
W
12
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.3
WSW
8
0.3
WSW
8
0.4
WSW
8
Energy kJ
25
26
35
26
42
37
16
15
36
34
33
45
32
32
40
72
31
31
31
31
31
12
11
23
Wind waves
Height (m)
Direction
Period (s)
0.4
NNW
3
0.5
N
4
0.4
NNW
4
0.3
S
6
0.3
SSE
6
0.6
SSE
8
0.6
SSE
4
0.6
SSE
8
0.4
SSE
3
0.3
S
4
0.7
E
7
0.9
E
7
1.2
E
7
1.3
E
7
1.2
E
7
1.2
E
7
1.1
E
7
1.2
E
7
1.1
E
7
1.1
E
7
Energy kJ
3
6
5
6
7
51
11
51
4
2
54
86
147
163
142
146
126
150
126
127
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
2
2
2
2
2
1
Distance (km)
1958
1304
11
11
11
11
0
0
0
1996
20
0
0
0
26
20
20
1290
20
20
20
20
20
1290
Best forecast wave conditions in Guam
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
Best forecast wave conditions in Guam
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
7
8
9
9
9
9
8
7
6
5
5
5
5
5
5
4
  • 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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