Moonlight Beach Surf Break

Lat Long: 33.09° N 117.32° W

Moonlight Beach Surf Forecast and Surf Report

Issued: 10 pm 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Moonlight Beach sea temperature is
21.9° C
1.9° 

Moonlight Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Moonlight Beach surf forecast from 18 Aug 2026:

  • Best quality surf: Tuesday 18 Aug, 5AM (local time) - 3ft (0.9m), 16s period, SSW swell with glassy winds.
  • Most powerful swell: Tuesday 18 Aug, 8AM (local time) - 3ft (0.9m), 16s period, SSW swell with 402 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 18 Aug, 5AM (local time) - 3ft (0.9m), 16s period with SSW swell.

Best Forecast Surf Conditions for Moonlight Beach this week:

The surf forecast for Moonlight Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 18) at 5AM. The primary swell is predicted to be 0.9m and 16s period with a secondary swell of 0.8m and 6s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Moonlight Beach in the next 16 days are 0.9m 16s and forecast to arrive on Tuesday (Aug 18) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Tue 18th Aug)3ft (0.9m) 16s
Best Surf 5AM (Tue 18th Aug)3ft (0.9m) 16s
Most Powerful 8AM (Tue 18th Aug)3ft (0.9m) 16s

Table - best surf conditions forecast for Moonlight Beach over the next 16 days.


The Lowdown

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

First off, I’ve got to be straight with you: the next 16 days are a real struggle. There’s nothing that’s going to blow your mind. The swell is tiny, the wind is a constant problem, and the whole setup looks messy. Right now, we’re looking at a long stretch of poor conditions with very few windows of even marginal surf. The first recommendation doesn’t roll around until Tuesday the 18th, and even then it’s a real battle.

The first spot to check is Moonlight Beach. This is a beginner-friendly, exposed beach break, but it’s inconsistent at the best of times. On Tuesday morning the 18th, we’ve got a 2ft SSW swell with a very long 16-second period. That’s proper groundswell energy, and the combined energy is moderate at 397, but the wind is a cross-on 6 mph from the WSW. That’s going to mess up the surface, leaving it bumpy with small wind ripples. It’s a marginal call at best. The water temp is about average for this time of year.

The pattern just repeats itself. Tuesday afternoon the 18th is a write-off with onshore wind. Wednesday the 19th sees a tiny bump to 3ft, still with that long period, but the wind stays cross-on or onshore, keeping things messy. Thursday the 20th drops to 3ft, period drops to 14 seconds, and the energy weakens (321). This is a poor run. Friday the 21st is even smaller at 2ft, and by Saturday the 22nd the swell bottoms out at 2ft.

There’s a gap of a few days here where the surf is just too poor to bother with. The wind is relentless from the west or WSW, and the wave heights are struggling to stay above 2ft. The only real shift comes on the 27th of August, Thursday morning, when a short-period, 4ft W swell (8 seconds) shows up. That’s weak, choppy, and messy – more of a windswell than anything worth paddling out for.

The highlight of the entire outlook, and I mean the only thing that gets my heart beating a little faster, is the morning of Saturday the 29th of August. We’ve got a 3ft SSW swell, long-period at 18 seconds, and the combined energy jumps to 816 – that’s moderate wave energy. The wind is a light 6 mph cross-on from the SW, which is still a problem, but it’s the best we’ve got. It’s still marginal, but that long period means more shape and energy in the water. This is the one morning to check for a few clean-ish lines. Sunday the 30th is similar, with a 4ft SSW swell and 951 energy, but the wind picks up to 9 mph, making it choppier.

After that, it drops off again. The beginning of September sees the swell fade back to 2ft to 3ft with poor winds. Honestly, for a beach break with this kind of cross-onshore breeze and small swell, it’s more interesting for the kite crew than the paddle crew. If you’re desperate, keep an eye on that Saturday the 29th morning, but keep your expectations low.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 26°C on Wed morning, min 20°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 28°C on Sun morning, min 22°C on Thu night). Wind will be generally light.

Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
0
2
1
1
2
0
1
2
0
1
2
0
1
2
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
14
0.7
SSW
16
0.7
SSW
17
0.9
SSW
15
0.9
SSW
16
0.9
SSW
16
0.8
SSW
15
0.8
SSW
14
0.8
SSW
14
0.7
SSW
14
0.7
SSW
13
0.6
SSW
13
0.4
SW
17
0.4
SW
18
0.8
SSW
14
0.7
SSW
15
0.5
SW
19
0.6
SW
18
0.8
SSW
14
Wave Graph
Metric surfscale
Energy kJ
316
232
243
339
382
387
242
236
236
170
156
137
98
90
239
222
175
197
273
Wind (km/h)
5
NW
10
WSW
15
W
0
NW
10
WSW
10
WSW
5
SSW
10
SW
10
WSW
5
WSW
10
WSW
10
WSW
0
WSW
10
WSW
10
WSW
0
NW
10
W
10
WSW
5
W
Wind State
glassy
cross-on
on
glassy
on
cross-on
glassy
cross-on
cross-on
glassy
cross-on
cross-on
glassy
on
cross-on
glassy
on
cross-on
on
High Tide
1:35AM1.37m
1:41PM1.88m
3:23AM1.21m
2:33PM1.82m
3:47PM1.79m
8:25AM1.36m
5:06PM1.83m
8:27AM1.43m
6:08PM1.91m
8:41AM1.49m
6:56PM2.01m
Low Tide
6:46AM0.96m
9:15PM0.81m
7:01AM1.12m
10:59PM0.76m
00:19AM0.65m
10:08AM1.35m
1:10AM0.54m
11:57AM1.32m
1:47AM0.43m
12:51PM1.24m
2:18AM0.34m
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:13
6:15
6:16
6:16
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:30
7:30
7:29
7:28
7:27
7:24
 mm
Temp °C
21
24
25
22
26
26
23
25
25
23
26
26
24
27
26
24
28
26
23
Feels °C
22
25
25
23
27
26
25
26
25
25
27
26
26
27
26
26
27
25
24
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  • 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 Moonlight Beach Surf forecast

The above surf forecast table for Moonlight Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Moonlight Beach can be found by selecting the local surf guide option on the grey menu. Our Moonlight Beach 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 (Moonlight Beach) 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 Moonlight Beach 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.

Moonlight Beach is 6 km (4 miles) from the city of Encinitas. If you plan a vacation in San Diego County, look for hotels and other accommodation in Encinitas. Encinitas has rooms for a wide range of budgets as well as car hire and transport links.

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