Reef Surf Break

Lat Long: 38.98° N 9.42° W

Reef Surf Forecast and Surf Report

Issued: 12 am 10 Sep 2026 (local time)

Forecast update in  hr  min

Today's Reef sea temperature is
19.0°C
1.5° 

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


Reef surf forecast from 10 Sep 2026:

  • Best quality surf: Monday 14 Sep, 1AM (local time) - 4.5ft (1.4m), 11s period, NW swell with cross-offshore winds.
  • Most powerful swell: Sunday 13 Sep, 7PM (local time) - 5ft (1.6m), 12s period, NW swell with 678 kJ wave energy.
  • Next surfable swell (1★+): Sunday 13 Sep, 1AM (local time) - 1.5ft (0.5m), 15s period with NW swell.

Best Forecast Surf Conditions for Reef this week:

The surf forecast for Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 13) at 1AM. The primary swell is predicted to be 0.5m and 15s period with a secondary swell of 0.6m and 9s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Reef in the next 16 days are 1.6m 12s and forecast to arrive on Sunday (Sep 13) 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 2.2m 8s period and expected on Wednesday (Sep 16) at 4PM.

Wave TypeTime (WEST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Sun 13th Sep)1.5ft (0.5m) 15s
Best Surf 1AM (Mon 14th Sep)4.5ft (1.4m) 11s
Most Powerful 7PM (Sun 13th Sep)5ft (1.6m) 12s

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


The Lowdown

G'day, Rusty here. Look, I'm gonna level with you—this 16-day window for Reef is a real struggle. We're looking at a long, dry spell with barely a ripple for the first week and a bit, and even when things pick up, it's a mixed bag. The water’s sitting at 66°, which is a bit colder than normal for this time of year, so you'll want a decent spring suit.

The first decent pulse of energy shows up on Sunday the 13th. The morning is the real standout. We've got a clean 3ft groundswell from the NW, with a period of 13 seconds, and it's glassy. The combined energy is moderate (382), and while it's a reef break, that long period will mean good shape and long lines. It's a Monday morning session feel, but on a Sunday. This is a solid option for advanced surfers. The afternoon sees the swell bump up to 5ft and the period drops a touch, but the wind turns onshore, making it messier.

Monday the 14th is a bit of a letdown after that. The morning still has some 4ft NW swell with a 11-second period, but it's cross-shore and the energy is a bit weaker (348). The afternoon gets chopped up by a cross-onshore breeze. Then we enter another flat spell.

The next flicker of hope comes on Sunday the 20th. This is a long-range call, so don't bank on it, but the afternoon shows a massive pulse of energy (1033) from a very long-period NW swell at 18 seconds, pushing 4ft. That's a powerful, long-period groundswell that will be excellent for the reef's shape, but the onshore wind is a worry. If that wind swings off, it could be the best session of the whole outlook. But as it stands, it's a "watch and see" situation.

Outside of that Sunday 13th morning window, the rest of the time is either flat, too windy, or just not worth paddling out for. It's a tough run. For an area like this, a blank run of several days is more normal than a constant supply of waves. Let's hope the models sharpen up.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 25°C on Sat morning, min 18°C on Wed night). Mainly fresh winds.

Days 4-6 Weather Summary

Mostly dry. Warm (max 28°C on Mon morning, min 19°C on Mon night). Winds increasing (light winds from the S on Sun morning, fresh winds from the N by Tue afternoon).

Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
1
1
2
3
1
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
Wave
Height (m)
Direction
Period (s)
0.1
W
11
0.3
WNW
7
0.3
W
7
0.2
W
7
1
NNW
6
0.2
W
11
0.6
WNW
10
0.6
WNW
9
0.5
NW
15
0.9
NW
13
1.3
NW
12
1.4
NW
11
1.2
NW
11
1.1
NW
10
0.9
NW
9
0.6
NW
8
0.4
NW
12
0.7
NW
11
1
WNW
10
0.4
NW
13
1.1
NW
10
Wave Graph
Metric surfscale
Energy kJ
2
11
9
4
72
10
63
69
112
290
528
510
332
256
138
58
36
119
204
61
245
Wind (km/h)
25
N
30
NNW
30
N
20
N
25
NNW
15
N
10
NNE
15
NNW
15
NNE
5
S
10
WNW
10
NNE
5
NNW
15
NW
15
N
20
N
30
NNW
35
N
40
N
35
NNW
35
N
Wind State
cross
cross
cross
cross-off
cross
cross
cross-off
cross-on
cross-off
cross
on
cross-off
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
High Tide
2:59PM3.15m
3:25AM2.92m
3:38PM3.21m
4:01AM2.96m
4:15PM3.17m
4:36AM2.94m
4:51PM3.04m
5:10AM2.86m
5:26PM2.85m
5:44AM2.73m
6:02PM2.62m
6:18AM2.55m
6:39PM2.37m
Low Tide
8:45AM0.17m
9:16PM-0.04m
9:25AM0.07m
9:53PM-0.07m
10:02AM0.03m
10:27PM-0.02m
10:38AM0.08m
11:00PM0.11m
11:13AM0.19m
11:32PM0.29m
11:48AM0.36m
00:04AM0.50m
12:25PM0.57m
00:38AM0.73m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:13
7:13
7:15
7:16
7:16
7:18
7:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:54
7:52
7:51
7:50
7:47
7:46
7:45
 mm
Temp °C
21
21
18
22
22
19
25
24
24
27
26
25
28
27
22
21
20
18
19
19
18
Feels °C
18
17
14
19
19
18
24
23
23
25
25
24
26
25
22
19
17
14
14
14
13
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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 Reef Surf forecast

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

Are you planning a holiday in Ericeira? If you are looking for accommodation near Reef, camping, hotels and holiday cottages in Ericeira, consider staying in Torres Vedras which is 19 km (12 miles) away. Other places in and around Ericeira where you can find information about places to rent, and car hire include Sintra which is 21 km (13 miles) away, Rio de Mouro, Cacem and Loures.

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