About Green Harbor
Installations
COORDINATES
42.08197 N, -70.64728 E
Port Information
Active Winter
Yes
Get Local Knowledge
Download the PredictWind App for detailed local insights, hazards, and amenities.
Weather Forecast
Wed
5AM - 9AM
20 May 2026
- SW 7–11 knots. Gusts up to 25 knots.
- Increasing from 17 to 22°C
- Calm sea
- UV Index: 0 - Low
- Mostly fine
Wed
9AM - 1PM
20 May 2026
- W 8–11 knots. Gusts up to 17 knots.
- Increasing from 23 to 26°C
- Calm sea
- UV Index: 8 - Very High
- Mostly fine
Wed
1PM - 5PM
20 May 2026
- W 10 knots decreasing to 8 knots. Gusts up to 17 knots.
- Decreasing from 26 to 22°C
- Calm sea
- UV Index: 8 - Very High
- Chance of showers
Wed
5PM - 9PM
20 May 2026
- W 5–9 knots. Gusts up to 17 knots.
- Decreasing from 22 to 19°C
- Calm sea
- UV Index: 0 - Low
- Chance of showers
Wed
9PM - 5AM
20 May 2026
- W 5–11 knots veering N 5-11 knots. Gusts up to 17 knots.
- 12 to 19°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Thu
5AM - 9AM
21 May 2026
- N 7–10 knots. Gusts up to 18 knots.
- 11 to 14°C
- N 0.4m at 3s period
- UV Index: 0 - Low
- Cloudy
Thu
9AM - 1PM
21 May 2026
- N 8 knots decreasing to E 5 knots.
- 11°C
- NE 0.5m at 4s period
- UV Index: 6 - High
- Chance of showers
Thu
1PM - 5PM
21 May 2026
- E 3–8 knots.
- 11°C
- NE 0.4m at 4s period
- UV Index: 6 - High
- Cloudy
Thu
5PM - 9PM
21 May 2026
- SE 6–9 knots veering S 6-9 knots.
- 11°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Thu
9PM - 5AM
21 May 2026
- S 7 knots increasing to NE 10 knots. Gusts up to 21 knots.
- 7 to 12°C
- Calm sea
- UV Index: 0 - Low
- Partly cloudy
Fri
5AM - 9AM
22 May 2026
- N 9 knots decreasing to 7 knots. Gusts up to 17 knots.
- Increasing from 8 to 12°C
- NE 0.5m at 3s period
- Partly cloudy
Fri
9AM - 1PM
22 May 2026
- NE 6 knots veering E 6 knots.
- 11 to 14°C
- NE 0.5m at 3s period
- Mostly fine
Fri
1PM - 5PM
22 May 2026
- E 6 knots increasing to SE 9 knots.
- 14°C
- NE 0.5m at 3s period
- Partly cloudy
Fri
5PM - 9PM
22 May 2026
- SE 7–11 knots veering S 7-11 knots. Gusts up to 17 knots.
- Decreasing from 14 to 11°C
- NE 0.4m at 4s period
- Partly cloudy
Fri
9PM - 5AM
22 May 2026
- SW 9 knots decreasing to 5 knots. Gusts up to 19 knots.
- 7 to 11°C
- Calm sea
- Cloudy
Sat
5AM - 9AM
23 May 2026
- W 2–6 knots backing SW 2-6 knots.
- Increasing from 8 to 14°C
- Calm sea
- Cloudy
Sat
9AM - 1PM
23 May 2026
- NE 5 knots increasing to E 7 knots.
- 13 to 16°C
- Calm sea
- Cloudy
Sat
1PM - 5PM
23 May 2026
- E 7–9 knots.
- 13 to 16°C
- Calm sea
- Cloudy
Sat
5PM - 9PM
23 May 2026
- SE 7–9 knots.
- 11 to 13°C
- Calm sea
- Cloudy
Sat
9PM - 5AM
23 May 2026
- E 3–10 knots.
- 11°C
- E 0.6m at 3s period
- Cloudy
Sun
5AM - 9AM
24 May 2026
- E 8–12 knots. Gusts up to 17 knots.
- 10 to 12°C
- E 0.8m at 3s period
- Cloudy
Sun
9AM - 1PM
24 May 2026
- E 10–13 knots. Gusts up to 22 knots.
- 11 to 13°C
- E 0.9m at 4s period
- Cloudy
Sun
1PM - 5PM
24 May 2026
- E 9–14 knots. Gusts up to 21 knots.
- 12°C
- E 1.1m at 4s period
- Chance of showers
Sun
5PM - 9PM
24 May 2026
- SE 7–12 knots. Gusts up to 20 knots.
- 11 to 14°C
- E 1.1m at 4s period
- Chance of showers
Sun
9PM - 5AM
24 May 2026
- SE 2–14 knots. Gusts up to 18 knots.
- 11 to 14°C
- E 1.1m at 5s period
- Chance of showers
Mon
5AM - 9AM
25 May 2026
- SE 2–13 knots veering S 2-13 knots. Gusts up to 16 knots.
- 12°C
- E 0.9m at 5s period
- Rain
Mon
9AM - 1PM
25 May 2026
- SE 2–14 knots veering SW 2-14 knots. Gusts up to 19 knots.
- 13°C
- NE 0.9m at 5s period
- Rain
Mon
1PM - 5PM
25 May 2026
- S 2–8 knots veering W 2-8 knots.
- 13°C
- NE 0.9m at 5s period
- Rain
Mon
5PM - 9PM
25 May 2026
- W 1–8 knots.
- 13°C
- NE 0.9m at 5s period
- Rain
Mon
9PM - 5AM
25 May 2026
- Light and variable.
- 12 to 15°C
- E 0.7m at 6s period
- Rain
Tue
5AM - 9AM
26 May 2026
- Light and variable.
- 13 to 15°C
- E 0.6m at 6s period
- Chance of showers
Tue
9AM - 1PM
26 May 2026
- NE 4 knots increasing to 9 knots.
- 13 to 18°C
- Cloudy
Tue
1PM - 5PM
26 May 2026
- NE 6–11 knots veering SE 6-11 knots.
- 12 to 18°C
- E 0.6m at 6s period
- Cloudy
Tue
5PM - 9PM
26 May 2026
- SE 7–10 knots veering SW 7-10 knots. Gusts up to 16 knots.
- 12 to 18°C
- E 0.5m at 5s period
- Cloudy
Tue
9PM - 5AM
26 May 2026
- SW 5–7 knots. Gusts up to 18 knots.
- 15°C
- SE 0.5m at 4s period
- Cloudy
Wed
5AM - 9AM
27 May 2026
- W 4–7 knots.
- 14 to 16°C
- E 0.4m at 5s period
- Cloudy
Wed
9AM - 1PM
27 May 2026
- NW 8 knots.
- 22°C
- Sunny
Wed
1PM - 5PM
27 May 2026
- N 8 knots decreasing to SE 6 knots.
- 19 to 24°C
- Calm sea
- Sunny
Wed
5PM - 9PM
27 May 2026
- SE 6 knots.
- Decreasing from 23 to 18°C
- E 0.4m at 6s period
- Mostly fine
Wed
9PM - 5AM
27 May 2026
- W 6–11 knots.
- 15 to 19°C
- NE 0.5m at 6s period
- Sunny
Thu
5AM - 9AM
28 May 2026
- W 7 knots increasing to NW 9 knots.
- 14 to 20°C
- NE 0.7m at 5s period
- Sunny
Thu
9AM - 1PM
28 May 2026
- Light and variable.
- 24°C
- Sunny
Thu
1PM - 5PM
28 May 2026
- E 4 knots increasing to SW 6 knots.
- Increasing from 19 to 26°C
- NE 0.7m at 6s period
- Partly cloudy
Thu
5PM - 9PM
28 May 2026
- S 6 knots increasing to 8 knots.
- Decreasing from 26 to 18°C
- NE 0.8m at 5s period
- Cloudy
Thu
9PM - 5AM
28 May 2026
- W 8–12 knots.
- 12 to 20°C
- NE 1.2m at 5s period
- Cloudy
Fri
5AM - 9AM
29 May 2026
- W 8 knots veering NW 8 knots.
- 12 to 21°C
- NE 1.3m at 7s period
- Cloudy
Fri
9AM - 1PM
29 May 2026
- W 10 knots.
- 24°C
- Partly cloudy
Fri
1PM - 5PM
29 May 2026
- SW 8 knots.
- Increasing from 20 to 25°C
- NE 1.2m at 8s period
- Partly cloudy
Fri
5PM - 9PM
29 May 2026
- SW 9 knots increasing to 11 knots. Gusts up to 17 knots.
- Decreasing from 25 to 19°C
- E 1.2m at 8s period
- Partly cloudy
