Grand Haven
16-Day Marine Weather Forecast Print

Monday 8/18

Morning

Strong ESE winds with very choppy seas. Small Craft Advisory. Small very short period waves.

Winds: ESE 21 to 24 knots.

Seas: ESE 3 feet at 4 seconds.

Afternoon

Light and variable winds with smooth seas. Very small very short period waves.

Winds: NW 1 to 2 knots.

Seas: S 1 foot at 3 seconds.

Tuesday 8/19

Morning

Moderate to strong S winds with choppy seas. Very small very short period waves.

Winds: S 15 to 17 knots.

Seas: SSE 3 feet at 4 seconds.

Afternoon

Light NW winds with a slight chop. Very small very short period waves.

Winds: NW 6 knots.

Seas: SSW 1 foot at 4 seconds.

Want to see 14 more days of marine forecasts?

Premium Members receive 16-day marine forecasts.

16-Day Wind, Waves & Tide Print
Wind
Avg. (kts)
Gust (kts)
Direction
Waves
Avg. (ft)
Peak (ft)
Direction
Per. (sec)
Weather
Precip. (in)
Temp (f)
Pressure (mb)

Tides

4ft
2ft
Sea Level
-2ft
-4ft
Monday 8/18
12am
21
23

E
3
4

NNW
5
3am
22
25

ESE
3
4

ESE
4
6am
21
24

ESE
3
4

ESE
4
9am
19
21

ESE
3
4

SE
4
12pm
14
16

SE
2
3

SE
4
3pm
5
7

S
1
2

SSE
4
6pm
1
2

NW
1
1

S
3
9pm
5
5

NE
1
1

S
3
Tuesday 8/19
12am
4
5

ESE
0
1

SSW
3
3am
20
22

SSE
2
2

SSE
3
6am
15
17

S
3
3

SSE
4
9am
14
17

SSE
2
3

S
4
12pm
10
11

SE
2
2

S
4
3pm
3
4

S
1
2

SSW
4
6pm
6
6

NW
1
1

SSW
4
9pm
14
15

N
1
1

SSW
3

Want to see 14 more days of wind, wave and tides?

Premium Members receive 16-day wind, wave, and tide forecasts.

Monday 8/18
12am
NIGHT_CLEAR
0
69
1019
3am
NIGHT_CLEAR
0
66
1020
-
6am
NIGHT_CLEAR
0
65
1020
9am
CLOUDY
0
65
1021
-
12pm
CLOUDY
0
71
1021
3pm
MOSTLY_CLOUDY
0
75
1019
6pm
LIGHT_SHOWERS_POSSIBLE
0
76
1017
9pm
BRIEF_SHOWERS_POSSIBLE
0
75
1016
  • Sunrise: 6:56AM
  • Sunset: 8:47PM
  • Moonrise: 1:24AM
  • Moonset: 6:12PM
  • 28% Waning Crescentwaning crescent
Tuesday 8/19
12am
NIGHT_BRIEF_SHOWERS_POSSIBLE
0
75
1017
3am
NIGHT_BRIEF_SHOWERS_POSSIBLE
0
72
1016
-
6am
NIGHT_CLEAR
0
72
1016
-
9am
LIGHT_SHOWERS
0.1
72
1016
-
12pm
THUNDER_SHOWERS
0
74
1016
3pm
CLEAR
0
75
1015
-
6pm
CLEAR
0
76
1015
9pm
CLEAR
0
74
1016
-
  • Sunrise: 6:57AM
  • Sunset: 8:45PM
  • Moonrise: 2:28AM
  • Moonset: 7:06PM
  • 18% Waning Crescentwaning crescent

Swell - Model Run: 18th Aug, 02:00:AM EDT / Last Updated: 18th Aug, 02:02:PM EDTWeather - Model Run: 18th Aug, 02:00:AM EDT / Last Updated: 18th Aug, 09:29:AM EDT

WARNING: Buoyweather services are not intended for use as safety assessment tool or for making decisions that involve the safety of people or property. Use of Buoyweather for such purposes or similar uses is not recommended by Buoyweather and done at the sole risk of the user. Before heading out on the water, and while out, we strongly recommend monitoring safety alert services, so that you can stay up to date on time sensitive weather and safety information.