Beach
right
Level 4/10

Cas en Bas

Gros Islet, St Lucia
🌀Strong rips

Cas en Bas is St Lucia's main surf beach—a consistent beach break on the northeast coast that draws the island's small surf community. With the iconic Pitons visible in the distance, the setting is pure Caribbean magic.

Cas en Bas surf forecast

Model forecast for swell, wind and tide.

10-Day Forecast
Today19
0
Poor
0.3m@5s
14km/h
Sun20
5
Poor
0.3m@7s
14km/h
Mon21
0
Poor
0.3m@7s
15km/h
Tue22
1
Poor
0.3m@7s
15km/h
Wed23
0
Poor
0.5m@5s
16km/h
Thu24
0
Poor
0.5m@5s
18km/h
Fri25
0
Poor
0.4m@7s
21km/h
Sat26
0
Poor
0.4m@4s
18km/h
Sun27
0
Poor
0.4m@5s
19km/h
Mon28
0
Poor
0.5m@5s
21km/h
5+ days out, less certain

Today's Conditions

Find Flights
Best session: AfternoonAM 14 km/h · PM 13 km/h
Swell
0.3m
ENE(60°)
Score: 2/25
Period
5s
Short period / windswell
Score: 1/25
Wind
14km/h
ESE(112°)
Score: 2/25
Weather
29°C
0.0mm12%
First light 5:22amSunrise 5:52amSunset 6:02pmLast light 6:32pm
Secondary0.1mConfidence
100%

Location & Conditions

Loading map...
0°45°90°135°180°225°270°315°NESW
Swell
Wind
Showing forecast for today

Hourly Forecast, Tide & Strike Windows

Strike window: 2:00–6:32pm · risingIdeal tide: 0.2–2.5m
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
°C
26°
29°
31°
30°
28°
27°
30°
31°
30°
28°
27°
30°
31°
30°
28°
28°
31°
32°
31°
28°
26°
29°
30°
29°
28°
28°
28°
27°
28°
28°
29°
30°
31°
31°
29°
26°
27°
29°
30°
28°
28°
29°
30°
30°
28°
27°
26°
26°
26°
27°
2m1.0
sec
5s
5s
5s
6s
5s
8s
7s
7s
7s
7s
7s
7s
7s
7s
7s
7s
7s
7s
7s
7s
4s
5s
5s
5s
5s
5s
5s
5s
6s
5s
5s
8s
7s
7s
7s
4s
4s
5s
4s
4s
5s
5s
5s
5s
5s
5s
5s
5s
5s
5s
swell
windkm/h
13g23
15g37
16g40
14g37
12g30
13g23
15g37
15g38
15g37
12g33
14g26
14g34
16g40
16g40
14g32
14g27
17g40
16g43
14g36
13g31
12g38
13g39
17g50
18g45
19g42
18g37
18g46
19g55
17g45
17g39
22g48
22g51
21g52
20g52
21g49
18g41
19g42
19g45
18g46
16g45
16g35
16g38
20g47
22g53
22g53
18g41
20g44
23g53
23g57
19g52
tidem
4:30am0.0m
7:30pm0.3m
5:30am0.0m
8:30pm0.3m
6:30am0.0m
2:30pm0.2m
9:30pm0.3m
6:50am0.0m
2:30pm0.2m
6:00pm0.2m
7:30am0.0m
2:50pm0.3m
7:00pm0.2m
7:45am0.1m
2:30pm0.3m
7:30pm0.1m
1:30am0.3m
8:00am0.1m
2:30pm0.3m
8:10pm0.1m
2:30am0.3m
8:30am0.1m
2:30pm0.4m
8:50pm0.1m
3:10am0.3m
8:50am0.1m
2:45pm0.4m
9:45pm0.0m
3:50am0.3m
9:15am0.1m
3:18pm0.4m
Ideal tideStrike windowNight

Tide times today

4:30 am
Low tide - 0.04m
7:30 pm
High tide - 0.29m
Times shown in spot-local time.

Strike Score Breakdown

0
Poor
Components
Swell Direction15/25
Swell Size2/25
Swell Period1/25
Wind2/25
Raw Score20/100
Adjustments
Wind History-4
🌊 Tide+3
💨 Gusty Wind-5
⚠️ Weak Component-5
📉 Undersized Swell-11
🚫 Undersized Capmax 30
Adjusted Score0/100
Confidence
Multiplier×1.00
Final Score0
🌊 Mostly in the tide window

Plan Your Strike

Return flights to UVF, departing today with a 5-day trip window.

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Swell Requirements

Optimal direction
NE (45°)
Direction range
20° - 80°
Size range
0.6m - 2m
Ideal size
1.2m - 1.7m
Height multiplier
0.97×
Ideal period
12s+

Wind Requirements

Optimal direction
W (270°)
Offshore range
240° - 300°

Tide Requirements

Optimal tide
all
Optimal range
0.2m - 2.5m

Water temp

27°C

Wetsuit

Boardshorts / Rashguard

Difficulty

4/10

Crowd level

3/10

Access: Northeast St Lucia. Island's surf hub.

Frequently Asked Questions

What tide is best at Cas en Bas?

The Cas en Bas profile favors the recorded tide range, ideally between 0.2m and 2.5m on the local tide chart. Compare this preference with the forecast tide and local conditions before choosing a session.

What wind direction is offshore at Cas en Bas?

The Cas en Bas profile uses wind from W (270°) as its preferred direction, with an offshore range of 240° to 300°. Wind speed matters too: light winds outside that range can still produce surfable conditions, while strong offshore winds can make takeoffs difficult.

What swell size and direction work best at Cas en Bas?

The Cas en Bas scoring profile favors swell from NE (20° to 80°), a swell-height range of 0.6m to 2m, and a reference period of 12s. These are model inputs, not guaranteed breaking-wave heights or a promise that the surf will suit every ability.

When is the best time of year to surf Cas en Bas?

The main season at Cas en Bas is Nov, Dec, Jan, Feb, Mar. A secondary window runs Sep, Oct. St Lucia's main surf beach.

How do I get to Cas en Bas?

The spot profile lists UVF as a nearby airport. The estimated road transfer is 60 minutes. Northeast St Lucia. Island's surf hub.

What kind of wave is Cas en Bas?

Cas en Bas is a beach break, a right-hander. Difficulty is rated 4/10.

Best Season

Peak: Nov, Dec, Jan, Feb, Mar

Secondary: Sep, Oct

St Lucia's main surf beach.

Getting There

Airport
UVF
Drive time
60 min
Data quality
verified

👨‍👩‍👧‍👦Family Travel

✈️Getting There
🔄One connection- Same-day arrival possible
🛫Direct from- JFK, MIA, ATL, LHR, YYZ
🛂Visa free- No visa needed for most passports
📞Book transfer- Arrange pickup in advance
🛡️Safety & Ease
Good infrastructure- Solid tourist infrastructure
🗣️English primary- English spoken everywhere
💧Safe tap water
🍴Mostly safe- Stick to restaurants
📶Good coverage- Coverage in populated areas
Safety notes:
👜 Petty theft
🏨Accommodation
💎Luxury tier- Four Seasons, Ritz-Carlton level
🏰Chains- Sandals, Jade Mountain, Sugar Beach
🎪Excellent kids clubs- Full programs, professional staff
🏨Many all-inclusive- Multiple resorts to choose from
Available:
🏰 Luxury resort🏨 Boutique hotel🏠 Vacation rental
🎡Kid Activities
🤿 Snorkeling🌴 Jungle hiking🏖️ Beach play🏊 Swimming pools

Plan a trip around Cas en Bas

Compare this break with other destinations in these surf guides.

Strike Log

Community Discussion