Right and Left Side Surf Break
GUAM

Right and Left Side Surf Forecast and Surf Report

Lat Long: 13.48° N 144.75° E

Issued: 9 am 07 Jul 2026 (local time)

Forecast update in  hr  min

Today's Right and Left Side sea temperature is
29.6° C

Normal for this time of year

Right and Left Side surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Right and Left Side surf forecast from 7 Jul 2026:

  • Best quality surf: Thursday 9 Jul, 4AM (local time) - 6ft (1.8m), 13s period, WNW swell with cross-offshore winds.
  • Most powerful swell: Tuesday 7 Jul, 1PM (local time) - 8ft (2.5m), 11s period, W swell with 1,719 kJ wave energy.
  • Next surfable swell (1★+): Thursday 9 Jul, 4AM (local time) - 6ft (1.8m), 13s period with WNW swell.

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

The surf forecast for Right and Left Side over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jul 09) at 4AM. The primary swell is predicted to be 1.8m and 13s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Right and Left Side in the next 16 days are 2.5m 11s and forecast to arrive on Tuesday (Jul 07) at 1PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 9s period and expected on Tuesday (Jul 07) at 1PM.

Wave TypeTime (ChST) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Thu 9th Jul)6ft (1.8m) 13s
Best Surf 4AM (Thu 9th Jul)6ft (1.8m) 13s
Most Powerful 1PM (Tue 7th Jul)8ft (2.5m) 11s

Table - best surf conditions forecast for Right and Left Side over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Right, let me break down this forecast in the old measurements for you. We're looking at one spot: Right and Left Side, a reef break that likes the north-west swell. It's an advanced wave and it's inconsistent, so you need to pick your moments. Water temp is about 85°F, right where it should be for this time of year.

The first part of the run, from Tuesday the 7th through to the 11th, is messy. Swell is running from 6ft to 8ft, with moderate to strong energy (1157 to 1972), but the wind is mostly cross-off or cross, meaning the surface won't be clean. The one bright spot is Thursday the 9th morning: the wind goes offshore from the SE at just 3 mph, the swell is a clean 6ft with a nice long 13-second period, and the energy is a solid 1162. That glassy look is your best early call, but on a reef, that's for experienced surfers only. Crowds are a possibility there.

Then it goes dead. From Monday the 13th afternoon all the way to Saturday the 19th morning, it's flat. Waves drop below 2ft, energy readings are tiny (down to 29), and the wind is onshore or cross-shore. That's a proper lull – not worth waxing the board.

But then – BAM. Sunday the 19th afternoon. A big 12ft west swell with the energy hitting a massive 3174. The wind is cross-off from the SW at 12 mph, keeping it clean for the experts. That's your first standout, but it's over 8ft, so you better know what you're doing.

Monday the 20th is the golden day. Swell holds at a solid 10ft from the west, energy is still huge at 2883, and the wind goes dead glassy in the afternoon – 3 mph from the south. Clean, powerful, long-period groundswell (12 seconds) tracking right onto the reef. That's the session to aim for. Experts only.

Tuesday the 21st morning is nearly as good: an 8ft west swell with a 12-second period and a clean offshore breeze from the ENE at 6 mph. Energy is 2114. Another standout morning.

Wednesday the 22nd rounds it out with a 7ft west swell and clean cross-off winds, energy at 1375. Still a very good wave.

So: the first week and a half is mostly a bust with that one clean slot on Thursday the 9th. Then it's flat for days. But from Sunday the 19th afternoon through Wednesday the 22nd, it's proper. The best is Monday the 20th with that big, glassy, clean 10ft west swell.

Rusty.

Short Range Forecast

Heavy rain (total 20mm), heaviest during Tue night. Warm (max 28°C on Tue morning, min 25°C on Wed night). Winds decreasing (strong winds from the S on Tue morning, calm by Wed night).

Days 4-6 Weather Summary

Some drizzle, heaviest during Sun night. Warm (max 29°C on Sun morning, min 27°C on Fri afternoon). Wind will be generally light.

Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
2
3
3
2
2
3
2
3
2
2
2
2
1
3
3
4
4
2
3
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
W
11
2.4
W
11
2.1
W
12
2
W
12
2.2
W
12
2
W
13
1.7
WNW
13
1.8
WNW
13
2
W
14
2
W
14
2
W
14
2
W
14
1.9
WNW
14
1.8
WNW
14
1.6
WNW
13
1.1
WNW
14
1.7
WNW
13
1.6
WNW
14
1.3
WNW
13
1.2
WNW
13
0.9
WNW
12
Wave Graph
Metric surfscale
Energy kJ
1555
1430
1248
1175
1507
1273
980
1179
1599
1531
1531
1509
1266
1156
867
427
1074
939
599
499
254
Wind (km/h)
40
S
35
S
25
S
25
S
30
SSE
15
SW
5
NE
15
NNE
15
NNE
15
NE
20
NNE
15
NNE
15
NNE
15
N
0
N
5
SSE
5
SSE
10
SSE
10
SW
15
SSW
15
S
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-on
cross
cross
cross
cross-on
cross
cross-on
glassy
glassy
glassy
cross-off
cross
cross-off
cross-off
High Tide
12:23PM0.69m
1:00AM0.90m
2:01PM0.67m
1:31AM0.90m
3:50PM0.70m
2:09AM0.90m
5:27PM0.76m
2:54AM0.91m
6:41PM0.82m
3:47AM0.92m
7:39PM0.87m
4:45AM0.93m
8:28PM0.91m
Low Tide
6:15PM0.42m
8:06AM0.38m
7:03PM0.52m
9:00AM0.28m
8:06PM0.61m
9:56AM0.18m
9:24PM0.68m
10:52AM0.08m
10:47PM0.72m
11:47AM0.00m
00:00AM0.74m
12:41PM-0.05m
1:03AM0.73m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
rain showers
clear
thunderstorm
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
5:58
5:58
6:00
6:00
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:52
6:52
6:52
6:52
6:52
6:52
 mm
3
3
12
2
1
3
2
Temp °C
28
28
28
28
27
26
28
28
27
28
28
27
28
28
27
29
29
27
29
28
27
Feels °C
27
28
30
29
27
28
30
30
30
30
30
30
31
31
31
34
34
31
32
31
30
Swell 1
Height (m)
Direction
Period (s)
2.5
W
11
2.4
W
11
2.1
W
12
2
W
12
2.2
W
12
2
W
13
1.9
SW
10
2
WSW
11
2
W
14
2
W
14
2
W
14
2
W
14
1.9
WNW
14
1.8
WNW
14
1.6
WNW
13
1.1
E
10
1.7
WNW
13
1.6
WNW
14
1.3
WNW
13
1.2
WNW
13
0.9
WNW
12
Energy kJ
1555
1430
1248
1175
1507
1273
720
857
1599
1531
1531
1509
1266
1156
867
226
1074
939
599
499
254
Swell 2
Height (m)
Direction
Period (s)
1.4
NW
12
0.4
ENE
8
0.4
ENE
8
0.4
SE
10
0.3
ENE
9
1.9
SW
10
1.7
WNW
13
1.8
WNW
13
1.7
WSW
11
1.3
WSW
11
1.3
WSW
11
1.2
WSW
11
0.9
WSW
10
0.9
WSW
10
0.9
WSW
10
1.1
WNW
14
1
ENE
9
0.7
E
8
0.7
E
9
0.6
E
8
0.6
E
8
Energy kJ
578
21
19
33
16
739
980
1179
661
427
408
331
191
187
158
427
173
68
74
52
49
Swell 3
Height (m)
Direction
Period (s)
0.4
ENE
8
0.1
N
10
0.1
N
10
0.1
N
9
0.5
SE
10
0.4
SE
9
0.5
SE
9
0.4
SE
9
0.4
ENE
9
0.5
E
9
0.5
E
9
0.5
ENE
9
0.6
ENE
9
0.7
ENE
9
0.8
E
9
1
WNW
12
0.4
SE
10
0.4
NNE
8
0.4
NNE
7
0.4
SE
9
0.5
WSW
8
Energy kJ
23
2
2
2
44
31
41
31
26
40
40
45
62
80
103
303
28
22
17
29
38
Wind waves
Height (m)
Direction
Period (s)
3
S
9
3
SSW
9
2.5
SSW
10
2.5
SSW
10
2.3
SSW
10
0.5
ENE
8
0.6
S
5
Energy kJ
1437
1382
1187
1163
1053
37
17
Nearest Offshore or Glassy
Rating
(10 max)
3
3
2
2
1
4
3
2
2
2
3
4
3
2
3
3
4
4
1
3
2
Distance (km)
1835
1863
1835
1835
1904
232
0
1858
1865
1835
1835
1303
1835
1863
0
0
0
0
11
0
0
Best forecast wave conditions in Guam
Rating
(10 max)
3
3
3
4
4
3
3
2
Best forecast wave conditions in Guam
Rating
(10 max)
3
3
3
4
4
3
3
2
Header Global
Rating
(10 max)
7
5
7
9
8
9
7
7
6
7
5
5
5
5
5
5
9
9
7
5
6
  • 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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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 16 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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