Right and Left Side Surf Break

Lat Long: 13.48° N 144.75° E

GUAM

Right and Left Side Surf Forecast and Surf Report

Issued: 3 pm 11 Jul 2026 (local time)

Forecast update in  hr  min

Today's Right and Left Side sea temperature is
28.8° C
0.5° 

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 11 Jul 2026:

  • Best quality surf: Sunday 12 Jul, 4PM (local time) - 5ft (1.5m), 13s period, W swell with offshore winds.
  • Most powerful swell: Saturday 11 Jul, 10PM (local time) - 5.5ft (1.7m), 14s period, WNW swell with 1,139 kJ wave energy.
  • Next surfable swell (1★+): Sunday 12 Jul, 4PM (local time) - 5ft (1.5m), 13s period with W 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 Sunday (Jul 12) at 4PM. The primary swell is predicted to be 1.5m and 13s period with a secondary swell of 1.3m and 8s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Right and Left Side in the next 16 days are 1.7m 14s and forecast to arrive on Saturday (Jul 11) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 10s period and expected on Saturday (Jul 18) at 7PM.

Wave TypeTime (ChST) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Sun 12th Jul)5ft (1.5m) 13s
Best Surf 4PM (Sun 12th Jul)5ft (1.5m) 13s
Most Powerful10PM (Sat 11th Jul)5.5ft (1.7m) 14s

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


Alright folks, Rusty here. Let’s get into it.

Right off the bat, we’ve got a bit of a tricky window. The surf at Right and Left Side is a classic reef setup, and it’s not the most consistent place. It’s also too small for a lot of the next week, so we’re looking at a bit of a wait before things get interesting.

The good news starts on Saturday afternoon, the 11th. We’ve got a solid 7ft swell from the WNW, but the wind is a messy cross-shore from the NE at 16 mph. The water is sitting at 84°, which is pretty much average for this time of year. The energy is pumping with a reading of 1574, but that wind will chop it up. It’s a bit of a looker, not a standout.

Sunday the 12th is where it gets cleaner. The morning shows a 5ft WNW swell (972 energy) with a cross-offshore breeze from the east at 12 mph. That’s a proper clean window. Then the afternoon turns even better: 5ft from the west, 13-second period, and a clean offshore wind from the ESE at 12 mph. The energy is 994, and the comment says “expect very good surf conditions.” This is the best on offer for the first week. The reef will handle that long period groundswell nicely.

After that, Monday the 13th drops off a bit. 4ft in the morning with a light S wind, clean but smaller. The afternoon is only 3ft. Tuesday the 14th is glassy but tiny, 3ft and 2ft. The energy plummets to around 170. It’s surfable, but you’ll be on a longboard, and it’s not worth planning a session around.

From Wednesday the 15th through to the 23rd, it’s a massive gap. The swell is either flat, tiny, or the wind is howling cross-shore. There’s a stormy pattern with risk of thunderstorms and poor conditions. The energy drops into single digits and low double digits. It’s a real blank run. The only blip is on the 21st afternoon when a 6ft W swell appears (550 energy), but the wind is a fresh cross-shore at 19 mph, which makes it messy and poor for a reef. Not worth it.

Now, hold on. The end of the window shows a glimmer. Thursday the 24th morning: a 5ft W swell (414 energy) with a light cross-offshore breeze from the south at 6 mph. That’s clean again. The period is 10 seconds, so it’s a decent groundswell. This is your second standout, but it’s a week and a half away, so take it with a grain of salt. The afternoon gets a bit more cross-shore and drops to 5ft. The 25th and 26th are small and windy again.

So, the real highlight is Sunday the 12th afternoon. That offshore wind and the 5ft west swell on the reef will be clean and fun. The energy is solid, and the direction suits the break. The other worthwhile session is the morning of the 24th, but that’s a long way off. For the rest, it’s a waiting game.

Rusty out.

Short Range Forecast

Heavy rain (total 27mm), heaviest during Sun night. Warm (max 29°C on Sun morning, min 27°C on Sat night). Wind will be generally light.

Days 5-7 Weather Summary

Moderate rain (total 16mm), heaviest on Thu morning. Warm (max 29°C on Wed morning, min 27°C on Tue night). Wind will be generally light.

Sat
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
2
3
2
3
3
2
2
2
1
1
1
1
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2
WNW
14
1.7
WNW
14
1.6
WNW
13
1.5
W
13
1.3
WNW
13
1.2
WNW
12
0.9
WNW
12
0.9
WNW
11
0.8
WNW
11
0.7
WNW
11
0.6
WNW
10
0.5
WNW
10
0.4
WNW
9
0.4
ENE
10
0.6
SSE
8
0.7
SW
7
0.4
NE
8
0.9
SW
7
0.4
ENE
10
0.4
ENE
10
0.4
ENE
9
Wave Graph
Metric surfscale
Energy kJ
1548
1106
811
775
514
393
250
183
133
123
86
52
28
31
0
0
23
0
30
30
29
Wind (km/h)
25
NE
20
ENE
20
E
20
ESE
15
ESE
15
S
10
SE
5
SE
5
E
0
E
5
NNW
5
W
10
W
10
WSW
10
WSW
15
SW
10
SW
15
SW
20
SW
20
SSE
15
E
Wind State
cross
cross-off
cross-off
off
cross-off
cross-off
off
glassy
glassy
glassy
glassy
glassy
cross-on
cross
cross
cross
cross
cross-off
cross
cross-off
cross-off
High Tide
6:41PM0.82m
3:47AM0.92m
7:39PM0.87m
4:45AM0.93m
8:28PM0.91m
5:45AM0.95m
9:11PM0.93m
6:45AM0.95m
9:50PM0.94m
7:44AM0.93m
10:26PM0.94m
8:44AM0.90m
10:59PM0.94m
9:45AM0.84m
Low Tide
10:47PM0.72m
11:47AM0.00m
00:00AM0.74m
12:41PM-0.05m
1:03AM0.73m
1:33PM-0.07m
2:00AM0.71m
2:22PM-0.06m
2:54AM0.67m
3:09PM-0.00m
3:47AM0.62m
3:53PM0.08m
4:41AM0.56m
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thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
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thunderstorm
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thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
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<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:00
6:00
6:01
6:01
6:01
6:01
6:01
<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
6:52
 mm
4
3
5
14
1
1
2
2
2
4
2
3
8
17
5
Temp °C
28
28
29
28
28
29
29
27
28
28
27
29
28
27
29
29
27
28
27
27
27
Feels °C
29
30
31
30
31
33
33
31
33
34
32
32
31
30
33
32
30
30
29
29
30
  • 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 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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