Reef
both
Level 4/10

Boston Bay

Portland, Jamaica
🪸Sharp reef👥Crowded

Boston Bay is Jamaica's most popular surf spot—a reef break in Portland parish that offers both gentle waves for learners and hollow sections for more experienced surfers. The nearby jerk centers add to the authentic Jamaican experience.

Boston Bay surf forecast

Model forecast for swell, wind and tide.

10-Day Forecast
Sat19
13
Poor
1.3m@7s
13km/h
Today20
12
Poor
1.0m@8s
11km/h
Mon21
3
Poor
0.8m@6s
12km/h
Tue22
6
Poor
0.9m@5s
12km/h
Wed23
11
Poor
1.1m@7s
12km/h
Thu24
0
Poor
0.7m@7s
9km/h
Fri25
0
Poor
0.6m@6s
9km/h
Sat26
13
Poor
0.8m@6s
9km/h
Sun27
13
Poor
0.8m@6s
9km/h
Mon28
24
Poor
0.8m@6s
4km/h
5+ days out, less certain

Today's Conditions

Find Flights
Best session: MorningAM 9 km/h · PM 14 km/h · Tide at 8am (0.1m)
Swell
1.3m
ESE(118°)
Score: 19/25
Period
7s
Short period / windswell
Score: 2/25
Wind
13km/h
ESE(122°)
Score: 7/25
Weather
30°C
0.0mm80%
First light 5:24amSunrise 5:54amSunset 6:04pmLast light 6:34pm
Windswell0.3m@2sSecondary0.4mConfidence
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: 11:30am–3:00pm · risingStrike window: 5:40–6:34pm · droppingIdeal tide: mid
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°
32°
31°
28°
26°
29°
30°
30°
27°
26°
28°
31°
28°
27°
27°
30°
32°
30°
27°
26°
30°
30°
31°
29°
26°
29°
31°
31°
28°
26°
29°
32°
31°
28°
26°
28°
31°
31°
28°
27°
28°
31°
31°
28°
26°
28°
32°
31°
28°
2m1.0
sec
7s
7s
7s
7s
7s
8s
8s
8s
8s
8s
6s
6s
6s
6s
6s
5s
5s
5s
5s
5s
7s
7s
7s
7s
7s
7s
7s
7s
7s
7s
6s
6s
6s
6s
6s
6s
6s
6s
6s
6s
6s
6s
6s
6s
6s
6s
6s
6s
6s
6s
swell
windkm/h
7g14
11g25
16g39
18g45
11g29
8g16
11g27
14g37
13g32
8g24
9g19
13g30
17g40
10g37
7g17
11g23
16g37
16g40
16g40
0g8
7g15
11g27
15g39
13g37
10g31
5g13
8g22
14g34
13g40
3g31
7g18
5g19
10g28
12g38
9g38
7g24
8g28
12g34
11g36
7g37
9g23
9g27
13g35
10g37
4g35
3g17
2g18
6g23
3g25
4g26
tidem
3:30am0.1m
8:30am0.1m
4:30pm0.3m
4:00am0.1m
9:30am0.0m
5:10pm0.3m
5:00am0.2m
10:30am0.1m
5:30pm0.3m
5:50am0.2m
11:30am0.0m
6:30pm0.3m
6:30am0.2m
11:50am0.0m
6:30pm0.3m
12:50am0.0m
7:00am0.3m
12:50pm0.1m
7:10pm0.3m
1:30am0.1m
7:30am0.3m
1:30pm0.1m
7:15pm0.3m
1:50am0.0m
8:10am0.3m
2:10pm0.1m
7:50pm0.3m
2:10am0.0m
8:30am0.3m
3:00pm0.1m
8:15pm0.3m
2:45am0.0m
9:30am0.4m
3:30pm0.1m
Ideal tide (from tide preference)Strike windowNight

Tide times today

3:30 am
High tide - 0.14m
8:30 am
Low tide - 0.08m
4:30 pm
High tide - 0.26m
Times shown in spot-local time.

Strike Score Breakdown

13
Poor
Components
Swell Direction0/25
Swell Size19/25
Swell Period2/25
Wind7/25
Raw Score28/100
Adjustments
💨 Gusty Wind-5
⚠️ Weak Component-10
Adjusted Score13/100
Confidence
Multiplier×1.00
Final Score13

Plan Your Strike

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

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Swell Requirements

Optimal direction
NE (45°)
Direction range
20° - 80°
Size range
0.8m - 2.5m
Ideal size
1.6m - 2.1m
Height multiplier
0.97×
Ideal period
14s+

Wind Requirements

Optimal direction
S (180°)
Offshore range
150° - 210°

Tide Requirements

Optimal tide
mid
Optimal range
0.6m - 1.5m

Water temp

27°C

Wetsuit

Boardshorts / Rashguard

Difficulty

4/10

Crowd level

5/10

Access: Portland parish. Jamaica's surf hub.

Frequently Asked Questions

What tide is best at Boston Bay?

The Boston Bay profile favors mid tide, ideally between 0.6m and 1.5m 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 Boston Bay?

The Boston Bay profile uses wind from S (180°) as its preferred direction, with an offshore range of 150° to 210°. 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 Boston Bay?

The Boston Bay scoring profile favors swell from NE (20° to 80°), a swell-height range of 0.8m to 2.5m, and a reference period of 14s. 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 Boston Bay?

The main season at Boston Bay is Nov, Dec, Jan, Feb, Mar. A secondary window runs Sep, Oct. Jamaica's most popular. Gentle waves, hollow tubes before long ride.

How do I get to Boston Bay?

The spot profile lists KIN as a nearby airport. The estimated road transfer is 150 minutes. Portland parish. Jamaica's surf hub.

What kind of wave is Boston Bay?

Boston Bay is a reef break, a peak with lefts and rights. Difficulty is rated 4/10.

Best Season

Peak: Nov, Dec, Jan, Feb, Mar

Secondary: Sep, Oct

Jamaica's most popular. Gentle waves, hollow tubes before long ride.

Getting There

Airport
KIN
Drive time
150 min
Data quality
verified

Strike Log

Community Discussion