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Surf Forecasts:

Green Harbor surfForecast / Massachusetts / USA

information circle48hr Weather and Surf, issued 7 am Saturday 23 May 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Green Harbor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Green Harbor sea temperature is
12.9° C
 (Which is 2.2°C warmer than normal for this time of year)

How big are the waves at Green Harbor today?

The current surf forecast for Green Harbor at 11AM is: 0.1m 13s primary swell from a East direction and 0.1m 10s secondary swell from a East direction (forecast issued at 07:00am May 23). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (23 May)0.5ft (0.1m)13s
Afternoon (23 May)0.5ft (0.1m)10s
Evening (23 May)0.5ft (0.1m)10s

Table - waves today at Green Harbor. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Heavy rain (total 30mm), heaviest during Sun night. Very mild (max 16°C on Mon night, min 7°C on Sun afternoon). Winds decreasing (fresh winds from the E on Sun afternoon, calm by Mon night).

Saturday
23
Sunday
24
Monday
25
Tue
26
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.1
E
13
0.1
E
13
0.1
E
13
0.1
E
10
0.1
E
10
0.1
E
10
0.1
E
12
0.1
E
10
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
18
0.1
E
18
0.1
E
18
0.1
E
18
0.3
ESE
9
0.3
ESE
9
0.8
E
5
0.8
E
6
0.7
E
6
0.7
E
6
0.8
E
6
0.7
E
7
0.7
E
7
Wave Graph
Metric surfscale
Energy kJ
4
4
3
2
2
2
3
2
4
3
3
6
6
6
6
17
17
36
38
35
39
54
43
43
Wind (km/h)
5
NE
10
E
10
ESE
10
ESE
15
ESE
15
ESE
10
SE
15
ESE
15
ESE
20
SE
25
SE
30
ESE
30
E
30
E
25
ESE
15
E
10
NE
15
NNW
20
NNW
15
NW
5
NW
10
SE
10
SSW
5
WSW
Wind State
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross
cross-off
cross
cross-on
cross-on
High Tide
5:21AM3.09m
6:04PM2.85m
6:26AM2.94m
7:06PM2.88m
7:30AM2.83m
8:05PM2.91m
Low Tide
11:42AM-0.02m
00:08AM0.24m
12:42PM0.09m
1:13AM0.25m
1:40PM0.18m
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
mod rain
mod rain
mod rain
light rain
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:15
—
—
—
—
—
—
—
5:13
—
—
—
—
—
—
—
5:13
—
—
—
—
—
—
5:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
8:02
—
—
—
—
—
—
—
8:04
—
—
—
—
—
—
—
8:05
—
8:06
 mm
—
—
—
—
—
—
—
—
—
—
2
5
7
8
7
1
—
—
—
—
—
—
—
—
Temp °C
15
15
15
15
15
14
12
12
11
11
8
7
9
10
10
12
12
11
11
11
14
16
16
15
Feels °C
12
11
11
11
11
10
8
8
7
6
2
1
3
4
5
10
11
8
8
9
13
15
15
15
Swell 1
Height (m)
Direction
Period (s)
0.2
ENE
4
0.2
ENE
4
0.1
E
10
0.1
E
10
0.1
E
10
0.1
E
10
0.1
E
10
0.1
E
10
0.1
SE
10
0.1
SE
9
0.1
E
9
0.1
E
9
0.1
E
18
0.1
E
18
—
0.3
ESE
9
0.3
ESE
9
0.8
E
5
0.8
E
6
0.7
E
6
0.7
E
6
0.8
E
6
0.7
E
7
0.7
E
7
Energy kJ
1
1
2
2
2
2
2
2
4
3
2
2
6
6
—
17
17
36
38
35
39
54
43
43
Swell 2
Height (m)
Direction
Period (s)
0.1
E
10
0.1
E
10
—
0.1
NE
4
—
—
—
—
—
—
0.1
E
12
0.1
E
12
—
—
0.1
E
18
—
0.1
S
9
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.4
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
Energy kJ
2
2
—
1
—
—
—
—
—
—
3
3
—
—
6
—
2
32
31
30
24
14
12
12
Swell 3
Height (m)
Direction
Period (s)
0.1
E
13
0.1
E
13
0.1
E
13
—
—
—
0.1
E
12
—
0.1
E
12
0.1
E
12
—
0.1
E
18
—
—
—
—
0.1
E
17
0.1
E
16
0.1
E
16
0.1
S
8
0.1
E
16
0.1
E
16
0.1
E
16
0.1
E
16
Energy kJ
4
4
3
—
—
—
3
—
3
3
—
6
—
—
—
—
6
5
5
1
5
5
5
5
Wind waves
Height (m)
Direction
Period (s)
—
—
—
—
—
—
—
0.2
ESE
2
0.4
SE
3
0.5
SE
4
0.6
ESE
4
0.8
ESE
5
0.9
ESE
5
1.3
ESE
5
1.4
ESE
6
1.2
ESE
6
1
E
6
—
—
—
0.3
NNE
3
—
—
—
Energy kJ
—
—
—
—
—
—
—
1
2
6
12
27
39
85
124
90
62
—
—
—
1
—
—
—
Nearest Offshore or Glassy
Road K
Long Island NY
Chicahauk
Carolina North
Chicahauk
Carolina North
Corolla Lighthouse
Carolina North
Panic Point (Weekapaug)
Rhode Island
Lighthouse-Southside
Rhode Island
K38 and 39
Rhode Island
Fishermans Island
Virginia
Fishermans Island
Virginia
Fishermans Island
Virginia
The Cove Cape May
New Jersey
Middlesex
New Jersey
Middlesex
New Jersey
Coastguards
Long Island NY
Sachuest Beach (2nd Beach)
Rhode Island
Baker s Beach
Rhode Island
Lynne Beach
Massachusetts
Rexham
Massachusetts
Nantasket Beach
Massachusetts
Marshfield Jetty
Massachusetts
Rexham
Massachusetts
Brant Rock
Massachusetts
Brant Rock
Massachusetts
Brant Rock
Massachusetts
Rating
(10 max)
1
2
2
1
1
1
1
2
2
2
2
4
3
3
2
2
1
1
1
1
1
1
1
1
Distance (km)
208
794
794
775
124
106
106
718
718
718
504
395
395
276
83
73
49
9
32
1
9
2
2
2
Best forecast wave conditions in Massachusetts
Ballston Beach
Lecount Hollow
Horseneck Beach
Horseneck Beach
Lecount Hollow
Lecount Hollow
Ballston Beach
Ballston Beach
Rating
(10 max)
2
2
1
1
1
1
1
1
Best forecast wave conditions in United States
Tijuana Sloughs
Baja Norte
Malibu
CAL - LA County
Malibu
CAL - LA County
The Strait
Washington
Fenway Beach
Rhode Island
Coronado Beaches
CAL - San Diego County
Trancas Point
CAL - LA County
Lincoln City Nelscott Reef
Oregon North
Lincoln City Nelscott Reef
Oregon North
Lincoln City Nelscott Reef
Oregon North
Lincoln City Nelscott Reef
Oregon North
LBI Long Beach Island
New Jersey
Westport-The Cove
Washington
Long Beach
Long Island NY
Lincoln City Nelscott Reef
Oregon North
Elbow Ledge
Rhode Island
Lincoln City Nelscott Reef
Oregon North
Malibu
CAL - LA County
Malibu
CAL - LA County
Outside Ponquogue
Long Island NY
Georgica Pond
Long Island NY
Neah Bay
Washington
The Dump
Washington
The Dump
Washington
Rating
(10 max)
2
2
2
2
1
2
2
3
3
3
3
4
3
3
3
2
3
2
2
2
2
4
4
5
Header Global
Papatowai
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Currumbin Point
Australia
Cannibal Bay
New Zealand
Papatowai
New Zealand
Etang-Sale
Reunion
Chameau
Mauritius
Chameau
Mauritius
Chameau
Mauritius
Chameau
Mauritius
Chameau
Mauritius
Chameau
Mauritius
Chameau
Mauritius
Aileen's
Ireland
The Hoek
South Africa
Cape St Martin
South Africa
Hell
South Africa
Ahijedero
Mexico
Boneyards
South Africa
Albatross
South Africa
Kaka Point
New Zealand
Dolphin Point
Australia
Papatowai
New Zealand
Rating
(10 max)
7
8
7
6
5
5
5
5
5
5
5
5
5
5
4
5
5
5
4
5
4
5
5
7
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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View detailed surf forecast for Green Harbor at:
surf-forecast.com

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