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: 9 pm 23 Aug 2026 (local time)

Forecast update in  hr  min

Today's Right and Left Side sea temperature is
29.2°C
0.0° 

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 23 Aug 2026:

  • Best quality surf: Wednesday 26 Aug, 4PM (local time) - 2ft (0.6m), 11s period, NW swell with cross-offshore winds.
  • Most powerful swell: Saturday 29 Aug, 7PM (local time) - 7.5ft (2.3m), 8s period, W swell with 682 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 26 Aug, 4PM (local time) - 2ft (0.6m), 11s period with NW 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 Wednesday (Aug 26) at 4PM. The primary swell is predicted to be 0.5m and 12s period with a secondary swell of 0.6m and 11s. 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 2.3m 8s and forecast to arrive on Saturday (Aug 29) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 9s period and expected on Friday (Aug 28) at 7PM.

Wave TypeTime (ChST) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Wed 26th Aug)2ft (0.6m) 11s
Best Surf 4PM (Wed 26th Aug)2ft (0.6m) 11s
Most Powerful 7PM (Sat 29th Aug)7.5ft (2.3m) 8s

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


The Lowdown

Listen up, crew. Rusty here, breaking down the Right and Left Side situation for the next couple of weeks. It's a rough patch, to be honest. This spot is an inconsistent reef break, so it doesn't take much to shut it down, and the wind and weather are really giving us the gears.

We start the forecast period on Monday, 24 August, but I wouldn't bother. There's a small 3ft NW groundswell, but it's a write-off thanks to a moderate cross-shore breeze and a risk of thunderstorms. The wave energy is a modest 256, and it's just not worth the effort. This theme carries right through the week. Tuesday the 25th sees a bit of swell from the ENE, but it's only 2ft at 13 seconds with a cross-onshore wind making things choppy. Wednesday the 26th offers a glimmer with a light cross-offshore breeze in the afternoon, cleaning up a tiny 2ft ENE swell, but it's still just "surfable but very ordinary." Thursday the 27th is similar, with light offshore winds and a small 2ft to 2ft swell, but it's barely a ripple.

The wind really picks up on Friday the 28th, with a fresh breeze ruining the 2ft ENE swell. Saturday the 29th is a mess. The morning is a write-off, but the afternoon is where it gets interesting for the wrong reasons. A 7ft W swell from a short 8-second period and a moderate cross-onshore wind creates a lumpy, choppy mess. The wave energy jumps to 729, but it's a powerful, ugly wave. This continues right into the start of September. The Sunday the 30th and Monday the 31st of August see a long-period W swell up to 6ft, but a fresh cross-onshore wind keeps it messy and lumpy (wave energy up to 783).

The first week of September doesn't offer much relief. The 1st sees a 6ft W swell with a moderate cross-shore chop, and the 2nd is marginal at best. There's a brief window of clean conditions on the 3rd, but with only a 2ft WNW swell, it's not really surfable. After that, the swell completely dies, with no wave height recorded on the 5th of September. Then, a new strong W swell shows up for the 6th and 7th, but it's over 7ft and hammered by a strong cross-onshore wind. The 7th has a 8ft W swell at a short 7-second period, with wave energy at 858. This is heavy, raw, and messy. It's only for the most experienced, and even then, it's a battle.

Honestly, the best this place has to offer in the whole 16 days is that Thursday, 27 August. A tiny 2ft to 2ft ENE swell, but with light offshore winds in the morning and afternoon. It's a micro-session, but the conditions are clean. If you're desperate for a paddle, that's your window. That Saturday the 29th and Monday the 7th of September have some power, but the wind is just all wrong. The wave energy peaks at 1041 on Tuesday the 8th of September, but with a 7ft W swell and a 25 mph cross-onshore wind, it's a washing machine, better suited for a kite than a surfboard.

There's a long gap of no real surf from the 3rd through the 5th of September. The forecast can change, so keep an eye on it, but for now, it's a lean run.

Rusty.

Short Range Forecast

Heavy rain (total 48mm), heaviest during Mon afternoon. Warm (max 29°C on Mon morning, min 26°C on Tue night). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 47mm), heaviest during Fri morning. Warm (max 29°C on Thu morning, min 26°C on Thu night). Winds increasing (calm on Wed night, strong winds from the W by Fri afternoon).

Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
N
11
0.9
NNW
11
0.9
NNW
11
0.7
NNW
10
0.6
ENE
13
0.6
ENE
13
0.6
ENE
13
0.6
NW
11
0.6
NW
11
0.6
NW
10
0.6
NW
10
0.6
NW
10
0.4
ENE
13
0.7
ENE
13
0.7
ENE
12
0.6
ENE
12
0.6
ENE
12
2.2
W
8
2
W
8
Wave Graph
Metric surfscale
Energy kJ
274
210
161
90
139
135
129
82
81
74
69
69
69
145
131
98
90
659
513
Wind (km/h)
25
SSW
25
SW
20
SW
15
SW
20
WSW
20
W
15
WNW
10
SW
10
SSW
5
S
10
ESE
10
SSE
25
SW
30
SSW
45
W
25
WSW
25
WSW
30
WSW
25
W
Wind State
cross-off
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross-off
cross-off
off
off
cross
cross-off
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
2:57AM0.78m
7:12PM0.79m
4:06AM0.79m
7:38PM0.81m
5:07AM0.81m
8:01PM0.83m
6:01AM0.83m
8:21PM0.85m
6:53AM0.85m
8:41PM0.87m
7:43AM0.85m
9:00PM0.88m
Low Tide
10:36PM0.71m
11:11AM0.20m
11:37PM0.69m
11:57AM0.17m
00:23AM0.66m
12:37PM0.16m
1:03AM0.62m
1:14PM0.17m
1:40AM0.58m
1:49PM0.19m
2:17AM0.52m
2:24PM0.24m
2:55AM0.45m
thunderstorm
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thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
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part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:09
6:09
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:37
6:37
6:36
6:36
6:35
6:34
 mm
2
3
14
1
3
25
2
2
3
13
10
3
12
1
1
Temp °C
28
29
28
27
28
28
28
27
28
27
29
29
27
27
27
28
28
28
28
Feels °C
31
30
30
30
30
30
31
31
32
31
32
32
30
25
24
29
29
28
28
  • 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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