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 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 (25 Jun):

  • Afternoon surf: Afternoon surf (25 Jun, local time) - 2.5ft (0.8m), 12s period with WNW swell.
  • Evening surf: Evening surf (25 Jun, local time) - 2.5ft (0.8m), 12s period with WNW swell.

The current surf forecast for Boat Basin Lefts at 6PM is: 0.7m 12s primary swell from a West-northwest direction and 1.2m 7s secondary swell from a East direction (forecast issued at 03:00pm June 25). An open ocean swell of 0.4m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (25 Jun)--
Afternoon (25 Jun)2.5ft (0.8m)12s
Evening (25 Jun)2.5ft (0.8m)12s

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 13mm), heaviest on Fri morning. Warm (max 29°C on Thu afternoon, min 27°C on Thu night). Mainly fresh winds.

Thu
25
Friday
26
Saturday
27
Sun
28
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
1
1
1
1
1
0
0
0
2
2
1
1
1
1
0
0
0
0
0
1
1
1
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)
1.3
E
7
0.8
WNW
12
1.2
E
7
0.8
WNW
12
0.6
WNW
14
0.9
WNW
13
0.9
WNW
13
0.9
WNW
13
1.6
E
7
1.8
E
7
1.7
E
7
1.5
E
8
1.5
E
8
1.4
E
8
1.5
E
8
1.5
E
8
1.6
E
8
1.6
E
7
1.6
E
7
1.6
E
8
1.6
E
8
1.5
E
7
1.5
E
7
0.4
WNW
10
Wave Graph
Metric surfscale
Energy kJ
159
192
147
192
147
307
289
280
267
340
315
256
262
228
268
270
299
276
275
282
283
243
236
39
Wind (km/h)
25
E
25
E
20
E
20
E
20
E
20
E
25
E
30
E
30
ESE
25
ESE
20
E
20
E
20
E
25
E
25
E
30
E
30
E
30
E
25
E
25
E
25
ESE
25
ESE
25
ESE
25
ESE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
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
High Tide
6:19PM0.73m
3:38AM0.85m
7:14PM0.77m
4:15AM0.84m
7:57PM0.80m
4:54AM0.83m
Low Tide
10:49AM0.25m
10:10PM0.67m
11:30AM0.19m
11:18PM0.69m
12:08PM0.15m
00:16AM0.70m
clear
clear
clear
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
part cloud
part cloud
clear
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
6:51
 mm
1
1
2
2
2
1
1
1
1
1
Temp °C
29
29
28
28
27
27
28
28
28
27
27
27
27
27
28
28
29
29
28
28
28
27
28
29
Feels °C
30
30
30
30
29
29
29
28
28
28
29
29
29
28
29
28
29
30
29
29
29
28
29
30
Swell 1
Height (m)
Direction
Period (s)
0.7
WNW
12
0.8
WNW
12
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
0.8
WNW
12
0.7
WNW
11
0.7
WNW
11
0.6
WNW
11
0.6
WNW
11
0.5
WNW
11
0.4
WNW
10
0.5
W
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
Energy kJ
152
192
145
192
137
307
289
280
210
192
186
135
128
93
93
64
33
50
33
62
60
58
39
39
Swell 2
Height (m)
Direction
Period (s)
0.4
WSW
8
0.4
WSW
8
0.4
SE
9
0.4
SE
9
0.6
WNW
14
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.3
WSW
8
0.3
WSW
8
0.3
NNE
11
0.3
SE
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
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.3
NNE
12
Energy kJ
24
20
31
31
145
29
29
30
11
11
22
16
33
33
30
31
58
58
29
30
30
22
29
26
Swell 3
Height (m)
Direction
Period (s)
0.4
SE
9
0.4
SE
9
0.4
WSW
9
0.4
WSW
9
0.4
SE
9
0.4
WSW
8
0.4
WSW
8
0.3
WSW
8
0.2
N
11
0.3
SE
10
0.3
WSW
7
0.3
NNE
10
0.3
NNE
10
0.4
WNW
13
0.3
NNE
10
0.4
NW
13
0.4
SE
9
0.4
SE
9
0.4
NW
12
0.3
NNE
9
0.3
NNE
12
0.3
NNE
12
0.3
NNE
12
0.2
NNE
8
Energy kJ
31
31
26
25
30
23
22
11
10
16
11
20
19
58
18
42
30
30
36
15
27
26
26
7
Wind waves
Height (m)
Direction
Period (s)
1.3
E
7
1.2
E
7
1.2
E
7
1.2
E
7
1.2
E
7
1.2
E
7
1.3
E
7
1.4
E
7
1.6
E
7
1.8
E
7
1.7
E
7
1.5
E
8
1.5
E
8
1.4
E
8
1.5
E
8
1.5
E
8
1.6
E
8
1.6
E
7
1.6
E
7
1.6
E
8
1.6
E
8
1.5
E
7
1.5
E
7
1.5
E
8
Energy kJ
159
143
147
143
147
147
173
206
267
340
315
256
262
228
268
270
299
276
275
282
283
243
236
265
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
1290
1875
1290
20
1290
1290
1290
1837
1290
1290
1290
1290
0
20
20
1836
1836
1836
1836
1858
1858
1858
20
20
Best forecast wave conditions in Guam
Rating
(10 max)
2
1
1
1
1
1
Best forecast wave conditions in Guam
Rating
(10 max)
2
1
1
1
1
1
Header Global
Rating
(10 max)
7
5
5
5
5
5
5
4
4
5
5
5
6
7
7
5
5
5
6
6
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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