Reef

both

Level 4/10

Boston Bay

Portland, Jamaica

🪸Sharp reef👥Crowded

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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.

10-Day Forecast

Today5

Poor

1.4mENE@7s

9km/h

1.4m@7s

9km/h

Thu6

Poor

1.2mENE@7s

12km/h

1.2m@7s

12km/h

Fri7

Poor

1.1mSE@7s

16km/h

1.1m@7s

16km/h

Sat8

Poor

1.2mSE@8s

15km/h

1.2m@8s

15km/h

Sun9

Poor

1.2mSE@7s

13km/h

1.2m@7s

13km/h

Mon10

Poor

1.2mESE@8s

10km/h

1.2m@8s

10km/h

Tue11

Poor

1.3mESE@7s

8km/h

1.3m@7s

8km/h

Wed12

Poor

1.4mESE@8s

10km/h

1.4m@8s

10km/h

Thu13

Poor

1.1mESE@7s

13km/h

1.1m@7s

13km/h

Fri14

Poor

1.2mESE@7s

20km/h

1.2m@7s

20km/h

5+ days out, less certain

View 2-year historical scores →

Today's Conditions

Find Flights

Best session: MorningAM 5 km/h · PM 10 km/h · Tide at 7am (0.1m)

Swell

1.4m

ENE(78°)

Score: 14/25

Period

Short period / windswell

Score: 2/25

Wind

9km/h

ESE(112°)

Score: 16/25

Weather

30°C

0.1mm23%

First light 5:15amSunrise 5:45amSunset 6:38pmLast light 7:08pm

Windswell0.1m@1sSecondary0.6mConfidence

100%

Location & Conditions

Loading map...

Swell

Wind

Showing forecast for today

Hourly Forecast, Tide & Strike Windows

Strike window: 9:35am–12:25pm · risingStrike window: 5:07–7:08pm · 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°

30°

32°

31°

29°

24°

28°

31°

30°

28°

26°

28°

31°

29°

26°

30°

32°

31°

29°

27°

30°

31°

29°

27°

30°

32°

31°

29°

27°

28°

31°

30°

28°

27°

29°

31°

29°

27°

29°

32°

31°

28°

26°

27°

28°

27°

2m1.0

sec

swell

windkm/h

3g13

8g22

11g34

11g32

8g24

3g18

9g24

14g35

14g39

13g33

11g23

13g33

20g48

18g47

13g35

10g18

14g34

17g43

16g45

13g34

7g14

11g28

17g42

16g44

10g38

5g16

5g20

11g32

15g43

14g41

6g24

8g30

11g39

10g41

7g39

9g17

10g24

14g35

11g39

4g37

7g14

9g23

16g38

17g45

14g45

18g39

22g45

22g54

21g57

18g55

tidem

7:00am0.1m

2:30pm0.3m

9:30pm0.2m

1:00am0.3m

8:30am0.1m

3:30pm0.3m

10:30pm0.2m

2:30am0.2m

9:30am0.0m

5:10pm0.4m

4:00am0.2m

10:10am0.0m

6:00pm0.4m

12:50am0.1m

4:30am0.2m

11:10am0.0m

6:45pm0.4m

1:15am0.1m

6:10am0.2m

12:30pm0.0m

7:42pm0.4m

2:10am0.1m

7:10am0.3m

1:15pm0.0m

8:06pm0.4m

2:45am0.1m

8:00am0.3m

2:00pm0.0m

8:50pm0.4m

3:15am0.1m

9:00am0.3m

2:30pm0.1m

9:15pm0.4m

3:54am0.1m

9:30am0.3m

3:45pm0.1m

Ideal tide (from tide preference)Strike windowNight

Tide times today

7:00 am

Low tide - 0.07m

2:30 pm

High tide - 0.33m

9:30 pm

Low tide - 0.20m

Times shown in spot-local time.

Strike Score Breakdown

Poor

Components

Swell Direction8/25

Swell Size14/25

Swell Period2/25

Wind16/25

Raw Score40/100

Adjustments

💨 Gusty Wind-5

Adjusted Score35/100

Confidence

Multiplier×1.00

Final Score35

Plan Your Strike

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

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Location & Conditions

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Swell

Wind

Showing forecast for today

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Spot Details

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Swell Requirements

Optimal direction: NE (45°)
Direction range: 20° - 80°
Size range: 0.8m - 2.5m
Ideal size: 2.0m
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?

Boston Bay works best on a mid tide, ideally between 0.6m and 1.5m on the local tide chart. The tide chart above shows today’s strike window.

What wind direction is offshore at Boston Bay?

Offshore wind at Boston Bay blows from the S (180°). Anything in the 150° to 210° range grooms the faces; outside it, expect chop or bumpy conditions.

What swell size and direction work best at Boston Bay?

Boston Bay wants NE swell (20° to 80°) between 0.8m and 2.5m, with a period of 14s or more for quality waves.

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.