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MCMC Merriman Creek, Mouth Observation Site

Active Mouth Condition Seaspray (Boat Ramp)

Merriman Creek flows out into the surf beach. Due to the intensity of the wave action, the creek can be 'pushed' via longshore drift further up along the beach due to the intensity of the wave action. This can then threaten built assets such as the ramp access onto the beach from the surf beach and beach access boardwalks. 

The site is popular with fishermen, kayakers and surfers a like. There has been concerns in the past of flooding, and some anecdotal evidence of concerned residents 'opening' the estuary themselves. Currently there is a height gauge and the site has active telemetry of stream height organised by the Wellington Shire. 


See photo attached - this site is located at the point of the foredune where the creek meets the beach. This provides some height in order to capture how the estuary mouth is moving over time. This estuary is strongly wave dominated

Land Use

  • Recreational
  • Rural Grazing
  • Urban Residential

Estuary Mouth Condition

Date Mouth state Berm length Conditions Water Level Start
Water Level End
High Tide
Low Tide
17-12-2024 Closed N/A Moderate breeze SW
5 Moderate
1.5m 15:00pm
 
 
 
22-10-2024 Open
Flow: Out
N/A Light Breeze NW
4 Slight
0.7m 14:00pm
 
1.1m 14:37pm
0.7m 08:04am
03-10-2024 Open
Flow: Out
N/A Light Breeze E
4 Slight
0.5m 17:00pm
 
1.0m 22:19pm
0.5m 16:18pm
03-09-2024 Closed 40.0 Gentle breeze W
5 Moderate
2.1m 15:30pm
 
1.0m 09:54am
0.6m 15:44pm
29-08-2024 Closed 30.0 Gentle breeze W
1.8m 11:00am
 
0.9m 07:05am
0.7m 11:41am
13-08-2024 Closed
Flow: In
20.0 Light Breeze N
4 Slight
0.6m 10:40am
 
1.1m 15:36pm
0.7m 09:36am
19-07-2024 Open
Flow: Out
N/A Moderate breeze NW
5 Moderate
0.7m 12:06pm
 
1.3m 20:11pm
0.5m 02:21am
17-07-2024 Closed 35.0 Light Breeze NW
4 Slight
2.0m 10:00am
 
0.9m 06:57am
0.7m 11:51am
02-05-2024 Closed 25.0 Light Breeze NE
4 Slight
1.4m 11:00am
 
1.0m 17:43pm
0.4m 11:16am
27-03-2024 Closed 40.0 Gentle breeze SW
4 Slight
1.4m 13:30pm
 
1.0m 11:59am
0.5m 17:51pm
15-01-2024 Open
Flow: Out
N/A Strong breeze E
5 Moderate
 
 
0.5m 07:26am
1.2m 13:45pm
10-01-2024 Open
Flow: Out
N/A Light Breeze NW
5 Moderate
 
 
1.2m 09:53am
0.2m 16:45pm
05-12-2023 Open
Flow: Out
N/A Light Breeze NW
4 Slight
0.7m 09:00am
0.6m 11:00am
1.0m 16:13pm
0.8m 10:35am
20-11-2023 Open
Flow: Out
N/A Light Breeze SE
4 Slight
0.6m 10:00am
 
1.1m 16:03pm
0.7m 09:48am
11-10-2023 Open
Flow: Out
N/A Light Breeze W
4 Slight
0.5m 08:00am
 
0.9m 08:45am
0.4m 03:00am
13-09-2023 Open
Flow: Out
N/A Gentle breeze SW
4 Slight
0.6m 11:00am
 
1.0m 09:52am
0.5m 15:46pm
27-07-2023 Open
Flow: Out
N/A Light Breeze N
4 Slight
0.5m 09:00am
 
1.1m 15:57pm
0.6m 09:42am
27-06-2023 Closed 30.0 Gentle breeze W
4 Slight
1.1m 11:15am
1.1m 12:15pm
1.1m 16:54pm
0.6m 10:52am
14-06-2023 Open
Flow: Out
N/A Fresh breeze W
5 Moderate
0.7m 14:20pm
 
1.2m 19:43pm
0.6m 12:40pm
01-06-2023 Open
Flow: In
N/A Fresh breeze NW
5 Moderate
0.9m 13:00pm
0.9m 14:00pm
1.0m 07:25am
0.5m 13:15pm
20-04-2023 Closed 25.0 Gentle breeze W
4 Slight
1.6m 12:00pm
 
1.0m 10:08am
0.4m 16:01pm
13-04-2023 Closed 30.0 Gentle breeze E
5 Moderate
2.0m 10:00am
 
0.9m 17:00pm
0.4m 10:20am
11-04-2023 Closed 30.0 Gentle breeze W
5 Moderate
2.0m 10:00am
 
0.8m 14:10pm
0.4m 08:09am
05-04-2023 Closed 30.0 Gentle breeze W
4 Slight
1.6m 09:30am
1.6m 11:30am
1.1m 09:25am
0.4m 15:40pm
15-03-2023 Closed N/A Gentle breeze W
4 Slight
1.6m 10:00am
 
 
 
07-03-2023 Closed
Flow: In
30.0 Fresh breeze W
5 Moderate
1.6m 10:30am
 
1.1m 11:06am
0.3m 04:21am
02-03-2023 Closed 30.0 Light Breeze SW
4 Slight
1.5m 11:00am
 
1.1m 07:55am
0.4m 15:17pm
16-02-2023 Closed 50.0 Gentle breeze W
4 Slight
1.3m 13:45pm
 
1.1m 07:19am
0.3m 14:27pm
08-02-2023 Closed 30.0 Gentle breeze E
4 Slight
1.4m 15:00pm
 
1.1m 12:44pm
0.3m 19:38pm
19-01-2023 Closed N/A Moderate breeze SW
5 Moderate
1.3m 11:30am
 
1.2m 08:35am
0.3m 15:33pm
11-01-2023 Perched
Flow: In
N/A Fresh breeze E
5 Moderate
0.7m 11:00am
 
1.1m 13:24pm
0.7m 06:18am
05-01-2023 Perched
Flow: In
N/A Gentle breeze SE
4 Slight
1.0m 15:00pm
 
1.1m 10:08am
0.3m 16:57pm
20-12-2022 Open
Flow: Out
N/A Light Breeze E
4 Slight
0.8m 10:00am
0.7m 12:00pm
1.1m 07:57am
0.5m 14:49pm
14-12-2022 Open
Flow: Out
N/A Fresh breeze W
5 Moderate
0.9m 09:00am
0.9m 11:00am
1.1m 14:26pm
0.8m 07:01am
16-11-2022 Open
Flow: Out
N/A Moderate breeze W
5 Moderate
0.7m 13:00pm
0.7m 12:00pm
1.0m 16:03pm
0.8m 10:07am
06-10-2022 Open
Flow: Out
N/A Fresh breeze E
5 Moderate
0.5m 11:40am
 
1.0m 08:59am
0.5m 14:32pm
21-09-2022 Open
Flow: Out
N/A Gentle breeze E
4 Slight
1.0m 12:33pm
 
0.9m 07:10am
0.7m 12:16pm
08-09-2022 Open
Flow: Out
N/A Gentle breeze E
4 Slight
 
 
0.9m 08:16am
0.6m 13:32pm
25-08-2022 Open
Flow: Out
N/A Gentle breeze W
5 Moderate
0.8m 12:00pm
0.7m 13:00pm
0.9m 08:39am
0.6m 14:02pm
18-08-2022 Open
Flow: Out
N/A Gentle breeze W
4 Slight
0.7m 10:00am
0.7m 11:00am
1.0m 15:08pm
0.6m 08:33am
10-08-2022 Open
Flow: Out
N/A Light Breeze N
4 Slight
0.9m 13:00pm
 
1.0m 08:29am
0.6m 13:37pm
20-07-2022 Open
Flow: Out
N/A Light Air NW
4 Slight
0.7m 11:00am
0.6m 12:00pm
1.1m 16:02pm
0.6m 09:19am
12-07-2022 Open
Flow: Out
N/A Light Breeze W
4 Slight
0.6m 11:15am
 
1.0m 08:36am
0.6m 13:47pm
07-07-2022 Open
Flow: Out
N/A Moderate breeze W
4 Slight
0.9m 11:00am
 
1.1m 16:12pm
0.5m 09:53am
15-06-2022 Open
Flow: Out
N/A Gentle breeze N
4 Slight
0.8m 14:00pm
 
1.0m 10:40am
-0.7m 15:49pm
19-05-2022 Open
Flow: Out
N/A Gentle breeze W
4 Slight
0.9m 15:20pm
 
0.9m 13:00pm
0.7m 18:11pm
19-05-2022 Open N/A Gentle breeze W
4 Slight
1.2m 14:15pm
1.1m 14:30pm
0.9m 13:00pm
0.7m 18:11pm
19-05-2022 Open
Flow: Out
N/A Gentle breeze W
4 Slight
1.9m 13:15pm
1.8m 13:30pm
0.9m 13:00pm
0.7m 18:11pm
19-05-2022 Closed 25.0 Gentle breeze W
4 Slight
1.9m 10:00am
 
0.9m 13:00pm
0.3m 06:48am
03-05-2022 Closed 20.0 Light Breeze NW
4 Slight
1.2m 10:15am
 
0.9m 11:44am
0.5m 05:56am
21-04-2022 Closed 20.0 Gentle breeze S
5 Moderate
1.5m 11:30am
 
0.9m 14:14pm
0.3m 07:59am
13-04-2022 Open
Flow: Out
N/A Light Breeze W
4 Slight
0.7m 10:00am
 
1.1m 07:25am
0.3m 13:59pm
30-03-2022 Closed 30.0 Gentle breeze NW
4 Slight
1.6m 
 
1.2m 
0.2m 
16-03-2022 Open
Flow: Out
N/A Gentle breeze E
5 Moderate
 
 
1.1m 09:51am
0.3m 16:19pm
24-02-2022 Closed 30.0 Gentle breeze W
4 Slight
1.4m 11:15am
 
0.8m 17:41pm
0.5m 11:25am
16-02-2022 Closed 40.0 Gentle breeze E
4 Slight
1.1m 14:00pm
 
1.2m 11:01am
0.2m 17:29pm
02-02-2022 Open
Flow: In
N/A Moderate breeze SW
5 Moderate
1.1m 10:30am
 
1.3m 11:56am
0.1m 18:29pm
05-01-2022 Open
Flow: In
N/A Strong breeze E
6 Rough
 
 
1.3m 13:00pm
0.6m 06:11am
16-11-2021 Open
Flow: Out
N/A Moderate breeze SW
5 Moderate
 
 
1.0m 09:02am
0.5m 15:18pm
10-11-2021 Open
Flow: Out
N/A Fresh breeze SW
4 Slight
 
 
1.2m 15:20pm
0.7m 08:53am
06-05-2021 Open
Flow: Out
N/A Gentle breeze E
5 Moderate
0.6m 15:28pm
 
1.1m 06:14am
0.4m 12:59pm
08-04-2021 Open
Flow: Out
N/A Light Breeze SE
3 Smooth
1.0m 14:30pm
 
1.1m 07:37am
0.3m 14:20pm
12-03-2021 Closed N/A Gentle breeze NE
4 Slight
1.4m 14:30pm
 
1.1m 10:30am
0.2m 16:59pm
04-02-2021 Perched
Flow: Out
N/A Gentle breeze NE
4 Slight
1.4m 09:15am
 
1.0m 04:06am
0.5m 10:13am
08-01-2021 Perched
Flow: Out
N/A Gentle breeze E
4 Slight
1.2m 11:45am
 
0.9m 18:51pm
0.5m 12:51pm
17-12-2020 Perched N/A Light Breeze SE
4 Slight
1.4m 12:00pm
 
1.3m 12:56pm
0.6m 06:04am
26-11-2020 Perched N/A Moderate breeze W
5 Moderate
1.5m 14:45pm
 
0.9m 20:35pm
0.5m 14:49pm
02-11-2020 Open
Flow: Out
N/A Gentle breeze E
4 Slight
 
 
1.1m 18:19pm
0.4m 11:37am
18-09-2020 Perched
Flow: Out
N/A Light Breeze E
4 Slight
 
 
1.1m 10:26am
0.4m 04:16am

Snapshots

17-12-2024
22-10-2024
03-10-2024
03-09-2024
29-08-2024
13-08-2024
17-07-2024
02-05-2024
27-03-2024
15-01-2024
10-01-2024
05-12-2023
20-11-2023
11-10-2023
13-09-2023
27-07-2023
27-06-2023
14-06-2023
01-06-2023
20-04-2023
13-04-2023
11-04-2023
05-04-2023
15-03-2023
07-03-2023
02-03-2023
16-02-2023
08-02-2023
11-01-2023
05-01-2023
20-12-2022
14-12-2022
16-11-2022
06-10-2022
21-09-2022
08-09-2022
25-08-2022
18-08-2022
10-08-2022
20-07-2022
12-07-2022
07-07-2022
15-06-2022
19-05-2022
03-05-2022
21-04-2022
13-04-2022
30-03-2022
16-03-2022
24-02-2022
16-02-2022
02-02-2022
05-01-2022
16-11-2021
10-11-2021
06-05-2021
08-04-2021
12-03-2021
04-02-2021
08-01-2021
17-12-2020
26-11-2020
02-11-2020
18-09-2020

View all observations