About Mattapoisett, Massachusetts
Harbor Mattapoisett provides all of services, located at 12 Water St, Mattapoisett, MA 02739, United States

Facilities
COORDINATES
41.65731 N, -70.81275 E
Port Information
Berth Sizes
< 10m, 10-20m
Manoeuvrability
Fair
Channel Marking
Fair
VHF Channel
16 & 68
Dock Type
Floating
Style Stern To
Yes
Tidal Flow
Negligible
Active Winter
Yes
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Weather Forecast
Fri
5AM - 9AM
15 May 2026
- NW 3–5 knots.
- 9 to 12°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Fri
9AM - 1PM
15 May 2026
- N 4–7 knots.
- 10 to 14°C
- Calm sea
- UV Index: 2 - Low
- Cloudy
Fri
1PM - 5PM
15 May 2026
- N 4–8 knots.
- 11 to 15°C
- Calm sea
- UV Index: 1 - Low
- Cloudy
Fri
5PM - 9PM
15 May 2026
- N 8 knots decreasing to 5 knots.
- 9 to 13°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Fri
9PM - 5AM
15 May 2026
- Light and variable.
- 8°C
- Calm sea
- UV Index: 0 - Low
- Partly cloudy
Sat
5AM - 9AM
16 May 2026
- W 4 knots increasing to 8 knots.
- Increasing from 7 to 14°C
- Calm sea
- UV Index: 0 - Low
- Sunny
Sat
9AM - 1PM
16 May 2026
- SW 7–9 knots. Gusts up to 16 knots.
- Increasing from 16 to 22°C
- SW 0.5m at 3s period
- UV Index: 8 - Very High
- Mostly fine
Sat
1PM - 5PM
16 May 2026
- SW 9 knots increasing to 12 knots. Gusts up to 21 knots.
- 20 to 23°C
- SW 0.8m at 3s period
- UV Index: 8 - Very High
- Sunny
Sat
5PM - 9PM
16 May 2026
- SW 10–15 knots. Gusts up to 27 knots.
- Decreasing from 20 to 12°C
- SW 0.9m at 4s period
- UV Index: 2 - Low
- Sunny
Sat
9PM - 5AM
16 May 2026
- SW 9–14 knots. Gusts up to 29 knots.
- 12 to 14°C
- SW 0.8-1.1m at 4s period
- Sunny
Sun
5AM - 9AM
17 May 2026
- SW 10 knots decreasing to 7 knots. Gusts up to 27 knots.
- Increasing from 13 to 18°C
- SW 0.7-1.1m at 4s period
- Cloudy
Sun
9AM - 1PM
17 May 2026
- W 7 knots increasing to 9 knots. Gusts up to 16 knots.
- Increasing from 19 to 27°C
- SW 0.6m at 5s period
- Mostly fine
Sun
1PM - 5PM
17 May 2026
- W 8–13 knots. Gusts up to 23 knots.
- 25 to 28°C
- SW 0.6m at 5s period
- Sunny
Sun
5PM - 9PM
17 May 2026
- W 13 knots decreasing to 8 knots. Gusts up to 23 knots.
- Decreasing from 26 to 19°C
- SW 0.6m at 4s period
- Sunny
Sun
9PM - 5AM
17 May 2026
- N 5–9 knots. Gusts up to 19 knots.
- Decreasing from 18 to 11°C
- SW 0.5m at 5s period
- Mostly fine
Mon
5AM - 9AM
18 May 2026
- N 3–6 knots veering E 3-6 knots.
- Increasing from 11 to 17°C
- Calm sea
- Cloudy
Mon
9AM - 1PM
18 May 2026
- E 4 knots increasing to SE 7 knots.
- 16 to 22°C
- Calm sea
- Partly cloudy
Mon
1PM - 5PM
18 May 2026
- S 8 knots increasing to 10 knots.
- 16 to 22°C
- Calm sea
- Mostly fine
Mon
5PM - 9PM
18 May 2026
- S 7–10 knots. Gusts up to 19 knots.
- Decreasing from 18 to 13°C
- S 0.4m at 4s period
- Partly cloudy
Mon
9PM - 5AM
18 May 2026
- SW 6–10 knots. Gusts up to 22 knots.
- 12 to 14°C
- S 0.4m at 3s period
- Partly cloudy
Tue
5AM - 9AM
19 May 2026
- SW 8 knots increasing to 12 knots. Gusts up to 23 knots.
- Increasing from 13 to 19°C
- SW 0.5m at 3s period
- Partly cloudy
Tue
9AM - 1PM
19 May 2026
- SW 10–16 knots. Gusts up to 27 knots.
- Increasing from 20 to 25°C
- SW 0.6m at 3s period
- Sunny
Tue
1PM - 5PM
19 May 2026
- SW 12–18 knots. Gusts up to 28 knots.
- 20 to 23°C
- SW 0.8m at 3s period
- Mostly fine
Tue
5PM - 9PM
19 May 2026
- SW 10–20 knots. Gusts up to 36 knots.
- Decreasing from 22 to 16°C
- SW 0.9m at 4s period
- Cloudy
Tue
9PM - 5AM
19 May 2026
- SW 17 knots decreasing to 13 knots. Gusts up to 37 knots.
- 12 to 18°C
- SW 0.9m at 4s period
- Cloudy
Wed
5AM - 9AM
20 May 2026
- SW 8–17 knots. Gusts up to 27 knots.
- Increasing from 16 to 20°C
- SW 0.9m at 4s period
- Cloudy
Wed
9AM - 1PM
20 May 2026
- SW 13 knots increasing to 17 knots. Gusts up to 28 knots.
- 19 to 24°C
- SW 1.0m at 4s period
- Cloudy
Wed
1PM - 5PM
20 May 2026
- SW 11–21 knots. Gusts up to 29 knots.
- 17 to 25°C
- SW 1.1m at 4s period
- Cloudy
Wed
5PM - 9PM
20 May 2026
- SW 8–19 knots. Gusts up to 31 knots.
- Decreasing from 21 to 15°C
- SW 1.1m at 4s period
- Cloudy
Wed
9PM - 5AM
20 May 2026
- W 12 knots decreasing to 6 knots. Gusts up to 28 knots.
- 12 to 18°C
- SW 0.8m at 5s period
- Cloudy
Thu
5AM - 9AM
21 May 2026
- W 7 knots increasing to 9 knots. Gusts up to 17 knots.
- 12 to 17°C
- SW 0.5m at 5s period
- Cloudy
Thu
9AM - 1PM
21 May 2026
- W 3–13 knots.
- 12 to 19°C
- Cloudy
Thu
1PM - 5PM
21 May 2026
- W 3–14 knots. Gusts up to 16 knots.
- 12 to 20°C
- SW 0.4m at 5s period
- Cloudy
Thu
5PM - 9PM
21 May 2026
- W 11 knots decreasing to NW 8 knots. Gusts up to 18 knots.
- Decreasing from 16 to 13°C
- Calm sea
- Cloudy
Thu
9PM - 5AM
21 May 2026
- N 10 knots decreasing to 4 knots. Gusts up to 21 knots.
- Decreasing from 13 to 8°C
- Calm sea
- Cloudy
Fri
5AM - 9AM
22 May 2026
- NE 4 knots increasing to 6 knots.
- Increasing from 8 to 13°C
- Calm sea
- Partly cloudy
Fri
9AM - 1PM
22 May 2026
- NE 8 knots.
- 14°C
- Cloudy
Fri
1PM - 5PM
22 May 2026
- E 8 knots.
- Decreasing from 16 to 14°C
- SE 0.4m at 3s period
- Cloudy
Fri
5PM - 9PM
22 May 2026
- E 7 knots decreasing to 4 knots.
- Decreasing from 14 to 10°C
- Calm sea
- Cloudy
Fri
9PM - 5AM
22 May 2026
- Light and variable.
- 7°C
- Calm sea
- Sunny
Sat
5AM - 9AM
23 May 2026
- Light and variable.
- Increasing from 6 to 13°C
- Calm sea
- Sunny
Sat
9AM - 1PM
23 May 2026
- Light and variable.
- 19°C
- Sunny
Sat
1PM - 5PM
23 May 2026
- S 6 knots increasing to 10 knots.
- 18 to 21°C
- Calm sea
- Mostly fine
Sat
5PM - 9PM
23 May 2026
- S 10 knots decreasing to 6 knots.
- Decreasing from 20 to 12°C
- Calm sea
- Partly cloudy
Sat
9PM - 5AM
23 May 2026
- SW 3–6 knots.
- 8°C
- Calm sea
- Cloudy
Sun
5AM - 9AM
24 May 2026
- SW 2–7 knots.
- Increasing from 8 to 14°C
- Calm sea
- Cloudy
Sun
9AM - 1PM
24 May 2026
- S 9 knots.
- 19°C
- Cloudy
Sun
1PM - 5PM
24 May 2026
- S 10 knots increasing to 12 knots. Gusts up to 18 knots.
- Decreasing from 21 to 18°C
- Calm sea
- Cloudy
Sun
5PM - 9PM
24 May 2026
- S 12 knots decreasing to 8 knots. Gusts up to 18 knots.
- Decreasing from 18 to 15°C
- Calm sea
- Cloudy