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

Wed5

Poor

1.4mENE@7s

9km/h

1.4m@7s

9km/h

Today6

Poor

1.2mENE@7s

13km/h

1.2m@7s

13km/h

Fri7

Poor

1.1mSE@7s

15km/h

1.1m@7s

15km/h

Sat8

Poor

1.2mSE@8s

14km/h

1.2m@8s

14km/h

Sun9

Poor

1.2mESE@7s

15km/h

1.2m@7s

15km/h

Mon10

Poor

1.2mESE@8s

13km/h

1.2m@8s

13km/h

Tue11

Poor

1.4mESE@7s

10km/h

1.4m@7s

10km/h

Wed12

Poor

1.4mESE@8s

10km/h

1.4m@8s

10km/h

Thu13

Poor

1.2mE@7s

10km/h

1.2m@7s

10km/h

Fri14

Poor

1.4mESE@7s

21km/h

1.4m@7s

21km/h

5+ days out, less certain

View 2-year historical scores →

Today's Conditions

Find Flights

Best session: MorningAM 8 km/h · PM 8 km/h · Tide at 7am (0.1m)

Swell

1.4m

ENE(77°)

Score: 14/25

Period

Short period / windswell

Score: 2/25

Wind

9km/h

ESE(111°)

Score: 16/25

Weather

31°C

0.0mm29%

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

Windswell0.1m@2sSecondary0.6mConfidence

100%

Location & Conditions

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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°

31°

32°

29°

23°

27°

30°

31°

29°

25°

29°

31°

29°

26°

29°

31°

29°

26°

30°

32°

31°

28°

26°

28°

30°

28°

25°

28°

32°

31°

29°

27°

29°

32°

31°

28°

26°

28°

30°

29°

26°

28°

31°

29°

2m1.0

sec

swell

windkm/h

3g13

13g31

10g29

9g26

7g17

7g45

12g26

14g36

16g40

14g35

12g30

13g30

18g44

16g45

13g36

6g12

13g31

18g45

16g41

14g33

9g18

14g33

18g44

18g45

12g43

6g13

11g26

15g43

17g46

15g42

8g26

9g25

12g32

11g40

8g36

7g12

5g20

12g34

13g39

9g38

7g17

9g26

15g45

11g51

6g48

15g35

19g46

25g58

25g63

20g61

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 Direction9/25

Swell Size14/25

Swell Period2/25

Wind16/25

Raw Score41/100

Adjustments

💨 Gusty Wind-4

Adjusted Score37/100

Confidence

Multiplier×1.00

Final Score37

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.