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Boating forecast for Motunau Island

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  1. Extremely useful for viewing the forecast at a glance. You can quickly tell when the conditions are likely to better for boating and fishing.
  2. The summaries are useful to assist in understanding the weather patterns as well as planning your day and trips.
  3. The arrows show the direction of the wind. The direction of the wind is from the origin e.g. an easterly wind blows to the west. The dotted line is gust speed of the wind. For most spots you want the wind to be light (0 - 10 kts) for ocean conditions to be comfortable.
  4. The Sea height is the total wave height which includes both swell and chop. This is the most critical variable when looking at this forecast since a big sea height could be hazardous to boats or fishing off rocks etc. Swell refers to the height of the swell. The smaller the better. Chop refers to the height of the ocean chop. The less chop, the more comfortable conditions will be.
  5. The greater the swell period, the more comfortable the conditions are likely to be. It is believed sea sickness is triggered by a swell period around 5-6 seconds. However, the ocean chop can also cause sea sickness, so be aware of that too, especially if sea direction is considerably different to swell direction.
  6. Swell direction is represented by the origin of the swell. A westerly swell is moving to the east.
  7. Sea direction is represented by the origin of the chop. If there is not much chop this is not such a factor. However, you should check this variable if there is substantial chop, since if the swell direction is opposing the sea direction and swell and chop height are over 1 m, conditions could be rough.
  8. SwellMap presents tides as LAT (Lowest Astronomical Tide), which is the height above the lowest tidal water level

Forecast updated at 04:00 Saturday 7 March (Pacific/Auckland local time)

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Days
Times
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Wind Gusts
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Swell Sea Chop
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Period
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Swell dir
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Sea dir
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Tides LAT
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Forecast updated at 04:00 Saturday 7 March (Pacific/Auckland local time)

Slide the table to view all forecast details.
Sat 7 MarRating Summary Sea Swell Chop Period Swell dir Sea dir Wind Gusts
mmms°°ktskts
4h61.41.00.99NENWNW:56
10h41.80.81.76NENENE:2633
16h32.71.52.28NENENE:1517
22h31.91.31.49ENWW:1214
Low: 12:40 am (0.45 m); High: 06:40 am (1.81 m); Low: 01:00 pm (0.44 m); High: 07:00 pm (1.75 m);
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Sun 8 MarRating Summary Sea Swell Chop Period Swell dir Sea dir Wind Gusts
mmms°°ktskts
4h21.51.11.09EWSW:2735
10h21.61.11.210NESWSW:2735
16h21.80.81.66ESWSW:2429
22h21.50.71.35NESSW:1519
Low: 01:20 am (0.46 m); High: 07:20 am (1.79 m); Low: 01:40 pm (0.45 m); High: 07:40 pm (1.75 m);
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Mon 9 MarRating Summary Sea Swell Chop Period Swell dir Sea dir Wind Gusts
mmms°°ktskts
4h31.10.60.910ESSW:1216
10h50.90.60.78E--NW:46
16h40.90.60.78ENENE:1114
22h30.90.60.78ENEN:1417
Low: 02:00 am (0.47 m); High: 08:00 am (1.78 m); Low: 02:20 pm (0.46 m); High: 08:30 pm (1.75 m);
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Tue 10 MarRating Summary Sea Swell Chop Period Swell dir Sea dir Wind Gusts
mmms°°ktskts
4h20.90.60.78SENESW:1619
10h41.00.60.88SENESW:710
16h41.00.70.78SENEE:1114
22h41.10.80.78SENEN:912
Low: 02:40 am (0.48 m); High: 08:50 am (1.77 m); Low: 03:00 pm (0.45 m); High: 09:10 pm (1.77 m);
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Wed 11 MarRating Summary Sea Swell Chop Period Swell dir Sea dir Wind Gusts
mmms°°ktskts
4h31.20.90.89SE--SW:1316
10h21.30.91.012SESS:1619
16h41.41.01.012SESESE:810
22h51.31.00.913SEEE:810
Low: 03:20 am (0.47 m); High: 09:30 am (1.77 m); Low: 03:50 pm (0.45 m); High: 10:00 pm (1.79 m);
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Thu 12 MarRating Summary Sea Swell Chop Period Swell dir Sea dir Wind Gusts
mmms°°ktskts
4h41.41.10.813ENEE:1114
10h41.41.10.813ENENE:1214
16h31.51.21.013EENE:2025
22h22.01.11.612ENENE:2329
Low: 04:10 am (0.46 m); High: 10:20 am (1.77 m); Low: 04:30 pm (0.43 m); High: 10:50 pm (1.83 m);
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Fri 13 MarRating Summary Sea Swell Chop Period Swell dir Sea dir Wind Gusts
mmms°°ktskts
4h41.71.11.212ENEN:78
10h51.51.11.112ENEN:810
16h41.51.11.111ENENE:1316

Forecast updated at 04:00 Saturday 7 March (Pacific/Auckland local time)

Current sea temperature

Motunau Island sea temperature: 18°C

Sunrise and sunset for today

SunriseSunset
07:1520:01

Moon phases for the next month

Fri 6 MarSat 14 MarFri 20 MarFri 27 MarSun 5 Apr
Full Moon Last Quarter New Moon First Quarter Full Moon

Rating information for Boating

This rating is a guide to determine how pleasant the boating conditions are likely to be. But this should not be treated as a substitute for using all available sources of information for the purpose of safety.
10A green rating between 7 and 10 indicates calm waters, based on little or no wind, and swell height less than a metre.
6An orange rating between 4 and 6 indicates average boating conditions, possibly affected by light-fair winds, and a swell height around 1-2 metres.
1A red rating between 1 and 3 suggests poor and possibly dangerous conditions such as strong winds and a big swell height 2-3 metres plus.
?No rating available.

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