Wind, waves, weather & tide forecast Port Jefferson Harbor entrance, Long Island
Daily forecast
as
Last update: 12:35 local time / This forecast is based on the GFS model
Friday, Jul 11
Wind
Weather
Waves
Tides
02h
6 kts
max 8 kts
21° C
1014 hpa
0.7 m
7 s
1.7
m
05h
5 kts
max 5 kts
20° C
1014 hpa
0.7 m
6 s
06:30
0.0
m
08h
6 kts
max 6 kts
21° C
1015 hpa
0.6 m
6 s
0.3
m
11h
5 kts
max 5 kts
23° C
1015 hpa
0.7 m
6 s
1.7
m
14h
7 kts
max 7 kts
25° C
1014 hpa
0.7 m
7 s
12:38
2.0
m
17h
8 kts
max 10 kts
26° C
1014 hpa
0.7 m
7 s
0.5
m
20h
8 kts
max 11 kts
23° C
1014 hpa
0.8 m
7 s
18:36
0.2
m
23h
4 kts
max 5 kts
22° C
1016 hpa
0.8 m
8 s
1.9
m
Saturday, Jul 12
Wind
Weather
Waves
Tides
02h
3 kts
max 3 kts
21° C
1015 hpa
0.8 m
8 s
00:44
2.2
m
05h
2 kts
max 2 kts
21° C
1015 hpa
0.8 m
8 s
0.6
m
08h
3 kts
max 3 kts
22° C
1016 hpa
0.8 m
8 s
07:11
11h
5 kts
max 5 kts
24° C
1016 hpa
0.7 m
7 s
1.4
m
14h
9 kts
max 11 kts
25° C
1015 hpa
0.7 m
7 s
13:19
2.0
m
17h
9 kts
max 12 kts
26° C
1015 hpa
0.7 m
7 s
0.8
m
20h
7 kts
max 9 kts
23° C
1016 hpa
0.7 m
8 s
19:19
0.2
m
23h
5 kts
max 7 kts
21° C
1017 hpa
0.8 m
8 s
1.6
m
Sunday, Jul 13
Wind
Weather
Waves
Tides
02h
4 kts
max 6 kts
21° C
1016 hpa
0.8 m
8 s
01:26
2.2
m
05h
4 kts
max 5 kts
20° C
1016 hpa
0.7 m
7 s
0.9
m
08h
6 kts
max 7 kts
22° C
1017 hpa
0.7 m
7 s
07:51
0.0
m
11h
8 kts
max 8 kts
24° C
1017 hpa
0.7 m
7 s
1.1
m
14h
10 kts
max 11 kts
25° C
1016 hpa
0.7 m
7 s
14:00
2.1
m
17h
8 kts
max 11 kts
26° C
1016 hpa
0.7 m
7 s
1.1
m
20h
8 kts
max 11 kts
23° C
1015 hpa
0.7 m
6 s
20:04
0.2
m
23h
6 kts
max 10 kts
22° C
1016 hpa
0.6 m
6 s
1.2
m
Monday, Jul 14
Wind
Weather
Waves
Tides
02h
5 kts
max 7 kts
23° C
1015 hpa
0.6 m
6 s
02:09
2.2
m
05h
5 kts
max 6 kts
22° C
1015 hpa
0.6 m
6 s
1.3
m
08h
5 kts
max 6 kts
23° C
1015 hpa
0.6 m
6 s
08:33
0.0
m
11h
1 kts
max 4 kts
26° C
1015 hpa
0.6 m
6 s
0.8
m
14h
3 kts
max 5 kts
26° C
1014 hpa
0.7 m
6 s
14:43
2.1
m
17h
4 kts
max 6 kts
27° C
1013 hpa
0.7 m
6 s
1.5
m
20h
7 kts
max 10 kts
1.11 mm
24° C
1014 hpa
0.7 m
6 s
20:52
0.2
m
23h
5 kts
max 8 kts
0.53 mm
23° C
1014 hpa
0.7 m
6 s
0.7
m
Tuesday, Jul 15
Wind
Weather
Waves
Tides
02h
6 kts
max 10 kts
0.75 mm
23° C
1014 hpa
0.6 m
6 s
02:56
2.2
m
05h
4 kts
max 7 kts
1.5 mm
23° C
1014 hpa
0.6 m
6 s
1.6
m
08h
4 kts
max 5 kts
24° C
1015 hpa
0.6 m
6 s
09:16
0.0
m
11h
3 kts
max 4 kts
25° C
1015 hpa
0.6 m
6 s
0.4
m
14h
4 kts
max 6 kts
0.7 mm
27° C
1014 hpa
0.6 m
6 s
15:28
2.2
m
17h
12 kts
max 15 kts
29° C
1013 hpa
0.7 m
6 s
1.9
m
20h
9 kts
max 13 kts
26° C
1014 hpa
0.7 m
5 s
0.5
m
23h
7 kts
max 12 kts
25° C
1014 hpa
0.7 m
5 s
21:43
0.1
m
Wednesday, Jul 16
Wind
Weather
Waves
Tides
02h
7 kts
max 10 kts
25° C
1013 hpa
0.7 m
5 s
1.8
m
05h
6 kts
max 8 kts
24° C
1013 hpa
0.6 m
6 s
03:45
2.1
m
08h
8 kts
max 12 kts
25° C
1014 hpa
0.6 m
6 s
0.5
m
11h
7 kts
max 10 kts
27° C
1013 hpa
0.6 m
6 s
10:03
0.0
m
14h
10 kts
max 13 kts
29° C
1012 hpa
0.7 m
6 s
1.6
m
17h
14 kts
max 18 kts
28° C
1011 hpa
0.9 m
6 s
16:16
2.2
m
20h
13 kts
max 22 kts
26° C
1011 hpa
1.0 m
6 s
0.9
m
23h
12 kts
max 20 kts
25° C
1012 hpa
1.0 m
6 s
22:39
0.1
m
Thursday, Jul 17
Wind
Weather
Waves
Tides
02h
9 kts
max 15 kts
24° C
1011 hpa
0.9 m
7 s
1.3
m
05h
7 kts
max 10 kts
24° C
1011 hpa
0.8 m
7 s
04:40
2.1
m
08h
6 kts
max 9 kts
25° C
1011 hpa
0.8 m
7 s
0.9
m
11h
3 kts
max 6 kts
27° C
1011 hpa
0.8 m
7 s
10:53
0.1
m
14h
4 kts
max 8 kts
29° C
1010 hpa
0.9 m
7 s
1.2
m
17h
10 kts
max 12 kts
30° C
1009 hpa
1.0 m
7 s
17:08
2.3
m
20h
9 kts
max 14 kts
26° C
1010 hpa
1.1 m
7 s
1.3
m
23h
4 kts
max 7 kts
1.64 mm
24° C
1010 hpa
1.0 m
7 s
23:38
0.1
m
Friday, Jul 18
Wind
Weather
Waves
Tides
02h
4 kts
max 4 kts
24° C
1009 hpa
0.9 m
7 s
0.8
m
05h
5 kts
max 6 kts
24° C
1009 hpa
0.9 m
7 s
05:38
2.0
m
08h
6 kts
max 7 kts
1.37 mm
23° C
1010 hpa
0.8 m
7 s
1.4
m
11h
3 kts
max 6 kts
1.24 mm
25° C
1010 hpa
0.8 m
7 s
11:47
0.1
m
14h
5 kts
max 11 kts
3.44 mm
27° C
1009 hpa
0.8 m
7 s
0.7
m
17h
3 kts
max 4 kts
3.6 mm
24° C
1008 hpa
0.9 m
7 s
18:04
2.3
m
20h
3 kts
max 4 kts
27° C
1008 hpa
0.9 m
7 s
1.8
m
23h
1 kts
max 2 kts
26° C
1008 hpa
0.9 m
7 s
0.4
m
Saturday, Jul 19
Wind
Weather
Waves
Tides
02h
7 kts
max 9 kts
2.5 mm
23° C
1008 hpa
0.9 m
7 s
00:40
0.1
m
05h
7 kts
max 11 kts
2.53 mm
23° C
1007 hpa
0.8 m
7 s
1.6
m
08h
8 kts
max 13 kts
23° C
1010 hpa
0.8 m
7 s
06:41
1.9
m
11h
8 kts
max 13 kts
24° C
1011 hpa
0.8 m
7 s
0.5
m
14h
7 kts
max 12 kts
26° C
1011 hpa
0.8 m
7 s
12:46
0.2
m
17h
9 kts
max 14 kts
27° C
1011 hpa
0.8 m
7 s
1.8
m
20h
8 kts
max 14 kts
25° C
1013 hpa
0.8 m
7 s
19:04
2.3
m
23h
7 kts
max 13 kts
23° C
1015 hpa
0.8 m
7 s
0.9
m
Sunday, Jul 20
Wind
Weather
Waves
Tides
02h
7 kts
max 16 kts
22° C
1015 hpa
0.8 m
7 s
01:44
0.1
m
05h
6 kts
max 7 kts
20° C
1015 hpa
0.7 m
7 s
1.1
m
08h
3 kts
max 3 kts
21° C
1016 hpa
0.7 m
7 s
07:45
1.9
m
11h
1 kts
max 2 kts
23° C
1016 hpa
0.6 m
7 s
0.9
m
14h
1 kts
max 3 kts
23° C
1015 hpa
0.7 m
7 s
13:49
0.2
m
17h
3 kts
max 5 kts
26° C
1014 hpa
0.7 m
7 s
1.3
m
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Additional information
General
This is the wind, wave and weather forecast for Port Jefferson Harbor entrance, Long Island in New York, United States of America. Windfinder specializes in wind, waves, tides and weather reports & forecasts for wind related sports like kitesurfing, windsurfing, surfing, sailing, fishing or paragliding.
Forecast
This forecast is based on the GFS model. Forecasts are available worldwide. The horizontal resolution is about 13 km. Forecasts are computed 4 times a day, at about 1:00 AM, 7:00 AM, 1:00 PM and 7:00 PM Eastern Daylight Time. Predictions are available in time steps of 3 hours for up to 10 days into the future. The arrows point in the direction in which the wind is blowing.Check the wind forecast for Port Jefferson Harbor entrance, Long Island when you search for the best travel destinations for your kiteboarding, windsurfing or sailing vacations in United States of America. Or use our wind forecast to find the wind speed today in Port Jefferson Harbor entrance, Long Island or to have a look at the wind direction tomorrow at Port Jefferson Harbor entrance, Long Island.
Severe Weather Warnings
When a severe weather warning or advisory is provided by the local meteorological institute, we display it as a banner above the wind forecast.The weather warning, for example a high wind warning, can help you prepare for dangerous weather conditions and avoid weather-related risks. The color scale indicates the intensity of the predicted weather event. For more details click or tap on the warning. General information about severe weather warnings can be found in our help section.
Please be aware that severe weather may occur without a prior severe weather warning being reported.
Units
We use knots and degrees Celsius as our default units. These units are often used by sailors, kiters, surfers, windsurfers and paragliders. Use website settings to switch between units and 7 different languages at any time. For converting between wind speed units such as knots, km/h (kilometers per hour), m/s (meters per second), and mph (miles per hour) use our wind speed calculator.