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Surf Forecasts:

Boat Basin Lefts surf break

Boat Basin Lefts surfForecast / Guam / Guam

information circle48hr Weather and Surf, issued 9 am Saturday 09 May 2026 ChST
Forecast update in hr  min  s Forecast update imminent
Boat Basin Lefts surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Boat Basin Lefts sea temperature is
28.3° C
 (Which is normal for this time of year)

How big are the waves at Boat Basin Lefts today?

The current surf forecast for Boat Basin Lefts at 5PM is: 2.1m 9s primary swell from a East direction and 0.2m 10s secondary swell from a North direction (forecast issued at 09:00am May 09). An open ocean swell of 0.2m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (09 May)7ft (2.1m)9s
Afternoon (09 May)7ft (2.1m)9s
Evening (09 May)7ft (2.1m)10s

Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Moderate rain (total 12mm), heaviest on Mon night. Warm (max 28°C on Sat morning, min 27°C on Sat afternoon). Mainly fresh winds.

Saturday
9
Sunday
10
Monday
11
Tue
12
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
1
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
2
2
2
2
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
2.1
E
9
2.1
E
9
2.1
E
9
2.1
E
9
2.1
E
9
2.1
E
10
2.2
E
10
2.1
E
10
2.1
E
10
2.1
E
10
2.1
E
10
2
E
10
2
E
10
2.1
E
10
2.1
E
10
2
E
10
2
E
10
2.1
E
10
2
E
10
2
E
10
1.9
E
10
1.8
E
10
1.8
E
10
1.7
E
9
Wave Graph
Metric surfscale
Energy kJ
771
771
771
771
771
787
864
787
804
804
799
725
725
821
821
745
745
821
730
730
660
580
575
502
Wind (km/h)
30
E
35
E
30
E
30
E
25
ENE
30
ENE
30
E
30
E
25
E
25
E
25
E
20
E
20
ENE
20
ENE
25
ENE
25
ENE
25
ENE
30
ENE
30
E
25
E
20
E
20
E
20
E
20
E
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
10:49AM0.73m
2:56AM0.83m
12:08PM0.69m
3:29AM0.85m
1:56PM0.67m
3:57AM0.86m
Low Tide
7:30AM0.69m
6:53PM0.25m
8:47AM0.65m
7:46PM0.30m
9:45AM0.59m
8:43PM0.35m
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
thunderstorm
thunderstorm
thunderstorm
part cloud
cloud
part cloud
part cloud
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<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>
—
—
—
6:37
—
—
—
—
—
—
—
6:37
—
—
—
—
—
—
—
6:37
—
—
—
6:37
 mm
—
—
—
—
—
—
—
—
—
—
1
1
1
—
—
—
—
1
—
—
1
1
1
1
Temp °C
27
28
28
28
27
27
27
27
27
28
28
28
27
27
27
27
27
27
28
28
27
27
27
27
Feels °C
26
27
28
28
28
27
27
27
28
29
29
30
29
29
28
28
28
27
28
29
29
29
30
30
Swell 1
Height (m)
Direction
Period (s)
0.3
S
6
0.3
S
6
0.3
S
6
0.2
S
6
0.2
N
9
0.2
N
9
0.2
S
6
0.2
N
9
0.2
N
8
0.2
N
8
0.2
N
8
0.1
N
8
0.1
N
8
0.1
N
10
0.1
SE
10
0.1
SE
10
0.1
SE
10
0.1
SE
10
0.1
SE
10
0.1
SE
10
0.1
SE
9
0.1
SE
9
1.8
E
10
1.7
E
9
Energy kJ
7
7
7
3
6
6
3
6
5
5
5
1
1
2
4
4
4
4
4
4
3
3
575
502
Swell 2
Height (m)
Direction
Period (s)
0.2
N
10
0.2
N
9
0.2
N
10
0.2
N
10
0.2
S
6
0.2
S
6
0.2
N
9
0.1
S
11
0.1
S
11
0.1
S
6
0.1
S
6
0.1
S
6
0.1
S
6
—
0.1
N
10
0.1
N
10
0.1
N
9
0.1
N
9
0.1
N
9
—
—
—
0.1
SE
9
0.1
SE
11
Energy kJ
8
7
7
7
3
3
6
3
2
1
1
1
1
—
2
2
2
1
1
—
—
—
3
5
Swell 3
Height (m)
Direction
Period (s)
0.1
S
13
0.1
S
13
0.1
S
13
0.1
S
12
0.1
S
12
0.1
S
12
0.1
S
11
—
0.1
S
11
—
—
—
0.1
N
10
—
—
—
—
—
—
—
—
—
0.1
SW
6
0.1
SE
9
Energy kJ
3
3
3
3
3
3
3
—
2
—
—
—
2
—
—
—
—
—
—
—
—
—
2
3
Wind waves
Height (m)
Direction
Period (s)
2.1
E
9
2.1
E
9
2.1
E
9
2.1
E
9
2.1
E
9
2.1
E
10
2.2
E
10
2.1
E
10
2.1
E
10
2.1
E
10
2.1
E
10
2
E
10
2
E
10
2.1
E
10
2.1
E
10
2
E
10
2
E
10
2.1
E
10
2
E
10
2
E
10
1.9
E
10
1.8
E
10
—
—
Energy kJ
771
771
771
771
771
787
864
787
804
804
799
725
725
821
821
745
745
821
730
730
660
580
—
—
Nearest Offshore or Glassy
Melekeok (Babelthuap)
Palau
Melekeok (Babelthuap)
Palau
Melekeok (Babelthuap)
Palau
Melekeok (Babelthuap)
Palau
Melekeok (Babelthuap)
Palau
Melekeok (Babelthuap)
Palau
Lidos Left
Sandaun
Lidos Left
Sandaun
Lidos Left
Sandaun
Lidos Left
Sandaun
Kavieng Rights
New Ireland
Mabuntok
Siargao Islands
Karawop
East Sepik
Lidos Left
Sandaun
Lidos Left
Sandaun
Lidos Left
Sandaun
Lidos Left
Sandaun
Lidos Left
Sandaun
Kavieng Rights
New Ireland
Melekeok (Babelthuap)
Palau
Mabuntok
Siargao Islands
Vanimo Reef
Sandaun
Kavieng Rights
New Ireland
Jailbreak
Sandaun
Rating
(10 max)
4
4
4
4
3
3
2
2
1
2
1
3
1
2
2
2
2
2
1
2
3
1
1
2
Distance (km)
1290
1290
1290
1290
1290
1290
1836
1836
1836
1836
1905
2069
1885
1836
1836
1836
1836
1836
1905
1290
2069
1836
1905
1837
Best forecast wave conditions in Guam
Rating
(10 max)
Best forecast wave conditions in Guam
Rating
(10 max)
Header Global
Boneyards
South Africa
Amanzimtoti
South Africa
Boneyards
South Africa
Boneyards
South Africa
Boneyards
South Africa
Hanga Poukura
Chile
Hanga Poukura
Chile
Hanga Poukura
Chile
Barrancon
Chile
Barrancon
Chile
Ahijedero
Mexico
Ahijedero
Mexico
Ahijedero
Mexico
Dunedin - Bobs Beach
New Zealand
Dunedin - Bobs Beach
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Weld Road
New Zealand
J-Bay
South Africa
Dunedin - Cob Cottage
New Zealand
Achadas Da Cruz
Portugal
Airport Rights
New Zealand
Achadas Da Cruz
Portugal
Trial Harbour
Australia
Rating
(10 max)
6
5
5
5
5
5
5
5
4
4
4
4
4
9
9
7
9
5
8
5
4
4
4
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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View detailed surf forecast for Boat Basin Lefts at:
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