Right and Left Side surfForecast / Guam / Guam

information circle12 Day Weather and Surf, issued 9 pm Monday 07 Jul 2025 ChST
Forecast update in hr  min  s Forecast update imminent
Right and Left Side surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Right and Left Side sea temperature is
29.7° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Right and Left Side this week:

The surf forecast for Right and Left Side over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 08) at 4AM. The primary swell is predicted to be 0.6m and 9s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Right and Left Side in the next 12 days are 1.0m 9s and forecast to arrive on Monday (Jul 14) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 8s period and expected on Sunday (Jul 13) at 4PM.

Wave TypeTime (ChST) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Tue 8th Jul)2ft (0.6m) 9s
Best Surf 4AM (Tue 8th Jul)2ft (0.6m) 9s
Most Powerful10PM (Mon 14th Jul)3.5ft (1.0m) 9s

Table - best surf conditions forecast for Right and Left Side over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Sat
19
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
ENE
0.4
ENE
0.5
E
0.5
E
0.5
E
0.5
E
0.5
E
0.5
E
0.5
E
0.5
E
0.5
E
0.5
E
0.5
E
0.5
E
0.6
E
0.7
E
0.8
E
0.5
WNW
0.5
WNW
0.4
WNW
0.3
WNW
0.9
E
1
E
0.9
E
0.9
E
1
E
0.8
NW
1
E
0.9
WNW
0.9
NW
1
E
0.8
E
0.7
E
0.9
ENE
0.8
E
0.8
E
Period(s) (?)988899999999888991098899991010101110101010101010
Wave
Graph
(?)Metric surfscale
Energy (?)30243941565940415150444155338111414456452612136182200194279213358354270311203144204157143
Wind
(km/h)
0
SSW
15
SSE
25
S
15
S
20
S
15
SSW
10
S
15
S
15
S
15
SSE
15
S
15
S
10
SSW
5
SSW
5
WSW
5
SSW
10
SW
15
WSW
15
SSW
20
SW
20
SW
15
WSW
15
S
20
SW
20
S
15
SSW
20
SW
25
S
20
S
10
S
10
SW
10
SW
10
WSW
15
W
25
WNW
30
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
glasscrosscross-
off
crosscross-
on
cross-
off
crosscrosscrosscross-
off
crosscross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
crosscrosscrosscross-
on
onon
High Tide
/ height (m)
4:06AM
0.83
8:06PM
0.81
4:51AM
0.83
8:44PM
0.83
5:37AM
0.85
9:19PM
0.86
6:23AM
0.86
9:52PM
0.87
7:09AM
0.87
10:23PM
0.89
7:57AM
0.87
10:52PM
0.90
8:48AM
0.85
11:19PM
0.91
9:46AM
0.81
11:45PM
0.92
10:53AM
0.77
12:12AM
0.92
12:13PM
0.72
12:41AM
0.92
1:49PM
0.70
1:14AM
0.92
3:39PM
0.72
Low Tide
/ height (m)
11:19PM
0.70
12:08PM
0.13
12:18AM
0.71
12:49PM
0.09
1:07AM
0.71
1:30PM
0.06
1:52AM
0.71
2:10PM
0.04
2:35AM
0.70
2:49PM
0.04
3:20AM
0.68
3:27PM
0.07
4:08AM
0.65
4:04PM
0.13
4:58AM
0.59
4:42PM
0.21
5:51AM
0.53
5:22PM
0.30
6:47AM
0.44
6:05PM
0.41
7:44AM
0.35
6:54PM
0.52
8:43AM
0.26
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Sat
19
Sunrise-5:58--5:58--5:58--6:00--6:00--6:00--6:01--6:01--6:01--6:01--6:01--6:01-
Sunset--6:52--6:52--6:52--6:52--6:52--6:52--6:52--6:52--6:52--6:52--6:52--6:52
rain showerspart cloudcloudrain showersthunderstorm part cloudthunderstorm part cloudthunderstorm thunderstorm thunderstorm part cloudpart cloudrain showersthunderstorm clearpart cloudthunderstorm rain showersthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm mod rainthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm light rainmod rainmod rainthunderstorm thunderstorm thunderstorm
Rain (mm)
4--72-3-112--12--122297410301532543671689
Temp. °C282928283029283029282929282929282929282929272827262626252626262525272828
Feels °C (?)323029313231323332323231323333323231323131293029282728272830302928282929

Short Range Forecast: Moderate rain (total 17mm), heaviest on Mon night. Warm (max 30°C on Wed morning, min 27°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 7mm), mostly falling on Thu night. Warm (max 29°C on Fri morning, min 27°C on Thu night). Wind will be generally light.

Days 6-9 Weather Summary Heavy rain (total 81mm), heaviest during Wed morning. Warm (max 29°C on Mon morning, min 25°C on Tue night). Wind will be generally light.

Long Range Forecast: Heavy rain (total 95mm), heaviest during Wed night. Warm (max 28°C on Sat morning, min 25°C on Wed night). Winds increasing (calm on Thu afternoon, fresh winds from the NW by Sat afternoon).

  • 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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Information about the Right and Left Side Surf forecast

The above surf forecast table for Right and Left Side provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Right and Left Side can be found by selecting the local surf guide option on the grey menu. Our Right and Left Side surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Right and Left Side) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Right and Left Side may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Right and Left Side is 1 km (1 miles) from Agana. If you plan a holiday in Guam, look for hotels and other accommodation in Agana. Agana has rooms for a wide range of budgets as well as car hire and transport links.

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