Wind, waves, weather & tide forecast Port Jefferson Harbor entrance, Long Island
Daily forecast
as
Last update: 18:41 local time / This forecast is based on the GFS model
Thursday, May 02
Wind
Weather
Waves
Tides
02h
6 kts
max 10 kts
10° C
1014 hpa
0.6 m
6 s
0.6
m
05h
7 kts
max 13 kts
10° C
1013 hpa
0.6 m
6 s
1.8
m
08h
9 kts
max 13 kts
11° C
1014 hpa
0.6 m
6 s
06:32
2.0
m
11h
7 kts
max 12 kts
13° C
1013 hpa
0.6 m
6 s
0.6
m
14h
3 kts
max 11 kts
18° C
1010 hpa
0.6 m
6 s
13:02
0.1
m
17h
1 kts
max 8 kts
17° C
1010 hpa
0.6 m
5 s
1.5
m
20h
7 kts
max 11 kts
15° C
1012 hpa
0.5 m
5 s
19:12
2.0
m
23h
9 kts
max 17 kts
15° C
1014 hpa
0.6 m
5 s
0.8
m
Friday, May 03
Wind
Weather
Waves
Tides
02h
10 kts
max 18 kts
12° C
1015 hpa
0.5 m
5 s
01:29
0.2
m
05h
11 kts
max 17 kts
10° C
1017 hpa
0.4 m
5 s
1.4
m
08h
12 kts
max 16 kts
10° C
1020 hpa
0.5 m
5 s
07:37
2.1
m
11h
11 kts
max 14 kts
11° C
1021 hpa
0.6 m
5 s
1.0
m
14h
10 kts
max 13 kts
13° C
1020 hpa
0.7 m
5 s
13:59
0.1
m
17h
9 kts
max 12 kts
14° C
1020 hpa
0.6 m
5 s
1.1
m
20h
8 kts
max 12 kts
12° C
1021 hpa
0.5 m
5 s
20:11
2.1
m
23h
5 kts
max 8 kts
10° C
1022 hpa
0.5 m
5 s
1.3
m
Saturday, May 04
Wind
Weather
Waves
Tides
02h
6 kts
max 8 kts
9° C
1023 hpa
0.5 m
5 s
02:32
0.1
m
05h
6 kts
max 9 kts
9° C
1023 hpa
0.5 m
5 s
0.8
m
08h
6 kts
max 8 kts
10° C
1024 hpa
0.5 m
6 s
08:38
2.1
m
11h
7 kts
max 8 kts
12° C
1025 hpa
0.5 m
7 s
1.4
m
14h
7 kts
max 9 kts
12° C
1025 hpa
0.5 m
8 s
14:54
0.0
m
17h
6 kts
max 8 kts
13° C
1024 hpa
0.5 m
8 s
0.6
m
20h
9 kts
max 11 kts
11° C
1025 hpa
0.5 m
8 s
21:06
2.3
m
23h
9 kts
max 14 kts
10° C
1025 hpa
0.6 m
6 s
1.8
m
Sunday, May 05
Wind
Weather
Waves
Tides
02h
10 kts
max 14 kts
9° C
1025 hpa
0.7 m
5 s
0.3
m
05h
9 kts
max 13 kts
9° C
1024 hpa
0.7 m
5 s
03:31
-0.1
m
08h
10 kts
max 12 kts
9° C
1024 hpa
0.6 m
5 s
1.8
m
11h
10 kts
max 12 kts
10° C
1023 hpa
0.6 m
5 s
09:36
2.2
m
14h
9 kts
max 13 kts
12° C
1021 hpa
0.6 m
5 s
0.4
m
17h
8 kts
max 16 kts
1.89 mm
11° C
1020 hpa
0.7 m
5 s
15:46
0.0
m
20h
7 kts
max 13 kts
3.73 mm
11° C
1019 hpa
0.7 m
6 s
1.9
m
23h
3 kts
max 6 kts
5.56 mm
11° C
1018 hpa
0.7 m
6 s
21:58
2.4
m
Monday, May 06
Wind
Weather
Waves
Tides
02h
2 kts
max 4 kts
1.45 mm
12° C
1016 hpa
0.7 m
7 s
0.6
m
05h
3 kts
max 3 kts
12° C
1015 hpa
0.7 m
7 s
04:25
-0.2
m
08h
4 kts
max 6 kts
12° C
1016 hpa
0.7 m
7 s
1.3
m
11h
2 kts
max 3 kts
14° C
1016 hpa
0.7 m
7 s
10:30
2.2
m
14h
2 kts
max 4 kts
15° C
1014 hpa
0.7 m
7 s
0.8
m
17h
4 kts
max 5 kts
17° C
1012 hpa
0.7 m
7 s
16:36
-0.1
m
20h
8 kts
max 11 kts
17° C
1012 hpa
0.7 m
7 s
1.4
m
23h
6 kts
max 8 kts
15° C
1011 hpa
0.6 m
7 s
22:47
2.5
m
Tuesday, May 07
Wind
Weather
Waves
Tides
02h
3 kts
max 4 kts
14° C
1010 hpa
0.6 m
7 s
1.2
m
05h
4 kts
max 4 kts
1.82 mm
14° C
1009 hpa
0.6 m
7 s
05:18
-0.3
m
08h
2 kts
max 2 kts
0.98 mm
14° C
1009 hpa
0.6 m
7 s
0.8
m
11h
2 kts
max 3 kts
3.09 mm
14° C
1008 hpa
0.6 m
8 s
11:21
2.2
m
14h
2 kts
max 2 kts
14° C
1006 hpa
0.6 m
8 s
1.3
m
17h
4 kts
max 5 kts
16° C
1004 hpa
0.6 m
8 s
17:24
-0.1
m
20h
7 kts
max 9 kts
15° C
1004 hpa
0.6 m
8 s
0.9
m
23h
6 kts
max 8 kts
15° C
1003 hpa
0.7 m
8 s
23:36
2.6
m
Wednesday, May 08
Wind
Weather
Waves
Tides
02h
8 kts
max 11 kts
1.52 mm
14° C
1002 hpa
0.7 m
7 s
1.7
m
05h
6 kts
max 10 kts
14° C
1001 hpa
0.7 m
7 s
06:08
-0.3
m
08h
6 kts
max 7 kts
15° C
1002 hpa
0.7 m
7 s
0.3
m
11h
4 kts
max 6 kts
17° C
1001 hpa
0.7 m
7 s
12:12
2.2
m
14h
8 kts
max 12 kts
19° C
1000 hpa
0.7 m
7 s
1.7
m
17h
10 kts
max 15 kts
21° C
999 hpa
0.8 m
7 s
18:12
0.0
m
20h
11 kts
max 21 kts
20° C
999 hpa
0.8 m
7 s
0.5
m
23h
10 kts
max 17 kts
18° C
1000 hpa
0.8 m
6 s
00:24
2.5
m
Thursday, May 09
Wind
Weather
Waves
Tides
02h
8 kts
max 12 kts
17° C
1000 hpa
0.8 m
6 s
2.1
m
05h
8 kts
max 9 kts
16° C
999 hpa
0.8 m
6 s
0.3
m
08h
5 kts
max 8 kts
16° C
1000 hpa
0.8 m
6 s
06:56
-0.2
m
11h
8 kts
max 11 kts
17° C
1000 hpa
0.8 m
7 s
1.6
m
14h
7 kts
max 12 kts
18° C
998 hpa
0.9 m
7 s
13:01
2.2
m
17h
9 kts
max 14 kts
2.17 mm
17° C
998 hpa
0.9 m
7 s
0.6
m
20h
5 kts
max 6 kts
3.0 mm
16° C
998 hpa
0.9 m
7 s
19:01
0.0
m
23h
10 kts
max 19 kts
0.43 mm
16° C
999 hpa
0.9 m
7 s
1.8
m
Friday, May 10
Wind
Weather
Waves
Tides
02h
11 kts
max 21 kts
15° C
999 hpa
0.8 m
7 s
01:12
2.4
m
05h
7 kts
max 14 kts
13° C
1002 hpa
0.8 m
7 s
0.8
m
08h
11 kts
max 12 kts
11° C
1004 hpa
0.8 m
7 s
07:45
-0.2
m
11h
8 kts
max 9 kts
11° C
1007 hpa
0.8 m
7 s
1.1
m
14h
8 kts
max 8 kts
11° C
1008 hpa
0.8 m
7 s
13:50
2.1
m
17h
9 kts
max 11 kts
12° C
1007 hpa
0.8 m
7 s
1.0
m
20h
12 kts
max 14 kts
11° C
1009 hpa
0.8 m
7 s
19:50
0.1
m
23h
12 kts
max 16 kts
10° C
1010 hpa
0.7 m
7 s
1.3
m
Saturday, May 11
Wind
Weather
Waves
Tides
02h
11 kts
max 15 kts
9° C
1010 hpa
0.7 m
7 s
02:00
2.3
m
05h
13 kts
max 17 kts
10° C
1009 hpa
0.6 m
7 s
1.3
m
08h
15 kts
max 19 kts
10° C
1010 hpa
0.6 m
8 s
08:34
0.0
m
11h
17 kts
max 23 kts
1.11 mm
10° C
1010 hpa
0.6 m
8 s
0.7
m
14h
17 kts
max 25 kts
3.48 mm
9° C
1010 hpa
0.6 m
8 s
14:40
2.0
m
17h
17 kts
max 25 kts
1.69 mm
9° C
1010 hpa
0.7 m
8 s
1.4
m
20h
18 kts
max 26 kts
10° C
1010 hpa
0.7 m
7 s
20:42
0.2
m
23h
18 kts
max 24 kts
0.57 mm
10° C
1010 hpa
0.7 m
8 s
0.8
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.