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
Today3
13
Poor
0.6m@6s
19km/h
Wed4
14
Poor
0.4m@8s
14km/h
Thu5
24
Poor
0.4m@9s
12km/h
Fri6
30
Poor
0.4m@9s
7km/h
Sat7
30
Poor
0.3m@9s
10km/h
Sun8
15
Poor
0.2m@8s
7km/h
Mon9
23
Poor
0.3m@9s
11km/h
Tue10
28
Poor
0.3m@11s
17km/h
Wed11
17
Poor
0.4m@10s
19km/h
Thu12
2
Poor
0.3m@9s
18km/h
5+ days out, less certain

Today's Conditions

Find Flights
Best session: AfternoonAM 19 km/h · PM 18 km/h
Swell
0.6m
ENE(62°)
Score: 11/25
Period
6s
Short period
Score: 2/25
Wind
19km/h
E(101°)
Score: 0/25
Weather
29°C
0.1mm55%
First light 5:29amSunrise 5:59amSunset 5:35pmLast light 6:05pm
Windswell
0.2m@2s
Secondary
0.2m
Confidence
100%

Location & Conditions

Loading map...
Swell0.6m @6s ENE in window
Wind19 km/h E onshore
SwellWind: Offshore Cross Onshore
Showing forecast for today · all day

Hourly Forecast, Tide & Strike Windows

Strike window: 6:20am–6:05pm · through highIdeal 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
27°
30°
30°
30°
27°
27°
29°
30°
30°
27°
26°
29°
30°
30°
27°
25°
30°
31°
31°
28°
25°
30°
32°
31°
28°
26°
30°
32°
30°
28°
26°
29°
31°
31°
28°
28°
29°
30°
30°
29°
28°
29°
30°
30°
28°
26°
26°
28°
30°
28°
2m1.0
sec
6s
6s
6s
6s
6s
5s
5s
7s
12s
11s
9s
7s
11s
11s
11s
10s
10s
9s
9s
9s
9s
9s
9s
9s
8s
8s
8s
8s
8s
9s
10s
10s
10s
9s
9s
9s
10s
12s
11s
11s
11s
10s
10s
10s
10s
9s
9s
9s
9s
9s
swell
windkm/h
19g36
19g44
20g47
19g45
18g35
17g31
17g39
16g39
13g34
11g19
14g25
14g34
14g36
10g34
10g19
8g12
7g22
5g19
9g23
7g19
7g13
10g25
14g35
11g34
9g26
9g17
9g26
3g26
6g26
5g21
8g16
12g27
12g35
11g35
12g33
16g34
17g39
17g41
17g41
18g41
17g39
18g42
20g48
20g51
19g49
19g39
19g43
17g50
16g52
17g47
tidem
4:50am0.2m
12:00pm0.4m
5:00pm0.3m
10:30pm0.4m
5:30am0.2m
12:30pm0.4m
6:30pm0.3m
6:10am0.2m
12:50pm0.4m
7:10pm0.2m
1:30am0.4m
6:50am0.3m
1:00pm0.5m
8:00pm0.1m
2:30am0.4m
7:10am0.3m
1:10pm0.5m
8:30pm0.1m
3:30am0.3m
7:30am0.3m
1:30pm0.5m
9:00pm0.0m
4:00am0.3m
7:50am0.2m
2:00pm0.4m
9:30pm0.0m
5:00am0.3m
2:30pm0.4m
10:10pm0.0m
6:00am0.3m
3:00pm0.4m
6:30am0.3m
3:30pm0.4m
Ideal tideStrike windowNight

Tide times today

4:50 am
Low · 0.17m
12:00 pm
High · 0.37m
5:00 pm
Low · 0.30m
10:30 pm
High · 0.39m
Times shown in spot-local time.

Strike Score Breakdown

13
Poor
Components
Swell Direction14/25
Swell Size11/25
Swell Period2/25
Wind0/25
Raw Score27/100
Adjustments
Wind History-4
🌊 Tide+5
💨 Gusty Wind-5
⚠️ Weak Component-10
Adjusted Score13/100
Confidence
Multiplier×1.00
Final Score13
🌊 Optimal 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 kind of wave is Cas en Bas?

Cas en Bas is a beach break in Gros Islet, St Lucia, that mostly breaks right.

What swell works best at Cas en Bas?

Cas en Bas picks up swell from the NNE round to the E, and it's best when it's coming straight out of the NE. It starts working at around 0.6m and handles up to about 2m, with the sweet spot around 1.2 to 1.7m. Period matters too: aim for 12s or longer, as anything under 8s tends to be weak. These are the numbers our scoring uses, so treat them as a guide rather than a promise.

What wind is offshore at Cas en Bas?

A W wind is dead offshore at Cas en Bas, and anything from the WSW round to the WNW keeps it clean. The morning is typically the best window, roughly 6am to 10am. Light winds from other directions can still be fine; strong offshores can make it hard to get into waves.

What tide is best at Cas en Bas?

Cas en Bas has a preferred tide range, roughly 0.2m to 2.5m on the local chart.

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

The most reliable run of swell at Cas en Bas comes Nov to Mar. There's a second window in Sep to Oct too. St Lucia's main surf beach.

How cold is the water at Cas en Bas?

The water at Cas en Bas averages around 27°C, so boardshorts or a rashguard will do. It shifts a few degrees through the year, so check the season before you pack.

Is Cas en Bas good for beginners?

It's more of an intermediate wave, rated 4/10 for difficulty, so newer surfers are best off sticking to the smaller days. The lineup is usually quiet (crowd 3/10). St Lucia's main surf beach.

How do I get to Cas en Bas?

The nearest airport on our list is UVF, then it's roughly a one-hour drive. Northeast St Lucia. Island's surf hub.

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

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