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 25 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 (26 Jun):

  • Morning surf: Morning surf (26 Jun, local time) - 3ft (0.9m), 13s period with WNW swell.
  • Afternoon surf: Afternoon surf (26 Jun, local time) - 6ft (1.8m), 7s period with E swell.
  • Evening surf: Evening surf (26 Jun, local time) - 5ft (1.6m), 8s period with E swell.

The current surf forecast for Boat Basin Lefts at 12AM is: 1.2m 7s primary swell from a East direction and 0.7m 12s secondary swell from a West-northwest direction, 0.6m 14s secondary swell from a West-northwest direction (forecast issued at 09:00pm June 25). The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (26 Jun)3ft (0.9m)13s
Afternoon (26 Jun)6ft (1.8m)7s
Evening (26 Jun)5ft (1.6m)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 21mm), heaviest during Fri afternoon. Warm (max 30°C on Sun morning, min 27°C on Fri night). Mainly fresh winds.

Thu
25
Friday
26
Saturday
27
Sunday
28
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
1
1
1
0
1
1
1
0
1
1
1
1
0
0
0
1
1
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)
1.2
E
7
0.8
WNW
12
0.6
WNW
14
0.9
WNW
13
0.9
WNW
13
0.9
WNW
13
1.8
E
7
1.8
E
7
1.7
E
8
1.6
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.5
E
7
1.5
E
7
1.5
E
7
1.5
E
7
1.5
E
7
1.4
E
7
1.4
E
7
1.3
E
7
1.3
E
7
1.3
E
7
Wave Graph
Metric surfscale
Energy kJ
147
192
147
307
289
280
330
343
329
302
270
256
256
248
243
242
242
243
246
215
209
186
181
181
Wind (km/h)
20
E
20
E
20
E
20
E
30
E
30
E
30
ESE
30
ESE
25
ESE
25
ESE
20
E
20
E
25
E
25
E
25
E
25
E
20
E
25
E
20
E
20
ESE
25
ESE
25
E
25
E
20
ESE
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
6:19PM0.73m
3:38AM0.85m
7:14PM0.77m
4:15AM0.84m
7:57PM0.80m
4:54AM0.83m
Low Tide
10:10PM0.67m
11:30AM0.19m
11:18PM0.69m
12:08PM0.15m
00:16AM0.70m
12:47PM0.11m
clear
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
part cloud
thunderstorm
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
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
2
4
3
1
1
1
1
1
1
1
Temp °C
29
28
28
28
28
28
29
28
28
28
27
27
28
29
29
29
29
28
28
28
28
29
30
30
Feels °C
32
30
30
30
28
27
29
28
29
30
29
28
29
30
29
30
31
29
30
30
29
30
31
31
Swell 1
Height (m)
Direction
Period (s)
0.7
WNW
12
0.8
WNW
12
0.7
WNW
12
0.9
WNW
13
0.9
WNW
13
0.9
WNW
13
0.9
WNW
12
0.8
WNW
12
0.7
WNW
12
0.7
WNW
11
0.7
WNW
11
0.6
WNW
11
0.6
WNW
11
0.6
WNW
11
0.4
WNW
10
0.4
WNW
10
0.4
WNW
10
0.5
WNW
10
0.5
WNW
10
0.5
WNW
10
0.4
WNW
10
0.4
WNW
10
0.4
WNW
10
0.4
NNE
11
Energy kJ
145
192
137
307
289
280
210
192
145
135
128
93
93
91
33
33
33
63
60
58
40
39
38
41
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
9
0.4
SE
9
0.6
WNW
14
0.4
SE
9
0.4
SE
9
0.3
WSW
8
0.3
WSW
8
0.3
WSW
8
0.3
NNE
11
0.3
NNE
10
0.4
SE
10
0.4
SE
9
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
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
NNE
12
0.4
WNW
10
Energy kJ
31
31
145
30
29
11
11
11
22
20
25
31
31
30
58
58
36
22
22
22
21
21
45
36
Swell 3
Height (m)
Direction
Period (s)
0.4
WSW
9
0.4
WSW
9
0.4
SE
9
0.4
WSW
8
0.4
WSW
8
0.2
NNE
9
0.2
N
11
0.3
N
11
0.3
WSW
7
0.3
SE
10
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
0.3
NNE
12
0.3
NNE
12
0.3
NNE
12
0.4
SE
9
0.4
SE
9
Energy kJ
26
25
30
23
22
8
10
21
11
16
20
58
18
16
31
32
22
15
28
26
26
26
21
21
Wind waves
Height (m)
Direction
Period (s)
1.2
E
7
1.2
E
7
1.2
E
7
1.2
E
7
1.3
E
7
1.6
E
7
1.8
E
7
1.8
E
7
1.7
E
8
1.6
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.5
E
8
1.5
E
7
1.5
E
7
1.5
E
7
1.5
E
7
1.5
E
7
1.4
E
7
1.4
E
7
1.3
E
7
1.3
E
7
1.3
E
7
Energy kJ
147
143
147
147
178
260
330
343
329
302
270
256
256
248
243
242
242
243
246
215
209
186
181
181
Nearest Offshore or Glassy
Rating
(10 max)
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
1290
20
20
1290
1290
1290
1290
1290
1836
20
20
20
1836
1836
1875
1864
20
1858
20
20
20
20
20
20
Best forecast wave conditions in Guam
Rating
(10 max)
2
2
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in Guam
Rating
(10 max)
2
2
1
1
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
5
5
5
4
4
5
5
5
6
7
8
7
5
6
6
6
6
5
5
6
8
8
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
How to use the Wavefinder 

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