Is it worth the trip?
68Good out of 100 for your dates
Best on Sun 8: Sea 0.4 m, Visibility about 10 m, Water 28 °C
Mon 2 · 54 out of 100
- Sea
- 0.9 m
- Wind
- 12 kn
- Gusts
- 17kn
- Air
- 27°C
Tue 3 · 63 out of 100
- Sea
- 0.7 m
- Wind
- 12 kn
- Gusts
- 16kn
- Air
- 27°C
Wed 4 · 71 out of 100
- Sea
- 0.6 m
- Wind
- 5 kn
- Gusts
- 9kn
- Air
- 27°C
Thu 5 · 69 out of 100
- Sea
- 0.6 m
- Wind
- 5 kn
- Gusts
- 8kn
- Air
- 28°C
Fri 6 · 63 out of 100
- Sea
- 0.7 m
- Wind
- 6 kn
- Gusts
- 9kn
- Air
- 28°C
Sat 7 · 69 out of 100
- Sea
- 0.6 m
- Wind
- 8 kn
- Gusts
- 11kn
- Air
- 28°C
Sun 8 · 73 out of 100
- Sea
- 0.4 m
- Wind
- 6 kn
- Gusts
- 10kn
- Air
- 28°C
Tap a day for sea, wind and water. Full forecast
Forecast: next 10 days
Full forecast- Sun 159, fair
- Mon 254, fair
- Tue 363, good
- Wed 471, good
- Thu 569, good
- Fri 663, good
- Sat 769, good
- Sun 873, good
- Mon 973, good
- Tue 1071, good
The site in six facts
- Down to 15 mits deepest
- From the shorehow you get in
- Open Waterand up
- Water 28 °C3 mm wetsuit
- Faces Sswell from there reaches it
- Best Mar, Dec–Jan7 good days in 7
Full forecast
every day, every number
The score doesn't know currents, the visibility on the day or your certification.
Suits Open Water divers and up, as a dive guide states it. Scored for Advanced divers.
| Day | Score | Sea | Wind | Gusts | Air |
|---|---|---|---|---|---|
| Sun 1Nov | 59, fair | 0.8 m | 8 kn | 9kn | 28°C |
| Mon 2Nov | 54, fair | 0.9 m | 12 kn | 17kn | 27°C |
| Tue 3Nov | 63, good | 0.7 m | 12 kn | 16kn | 27°C |
| Wed 4Nov | 71, good | 0.6 m | 5 kn | 9kn | 27°C |
| Thu 5Nov | 69, good | 0.6 m | 5 kn | 8kn | 28°C |
| Fri 6Nov | 63, good | 0.7 m | 6 kn | 9kn | 28°C |
| Sat 7Nov | 69, good | 0.6 m | 8 kn | 11kn | 28°C |
| Sun 8Nov | 73, good | 0.4 m | 6 kn | 10kn | 28°C |
| Mon 9Nov | 73, good | 0.4 m | 7 kn | 10kn | 28°C |
| Tue 10Nov | 71, good | 0.5 m | 7 kn | 12kn | 28°C |
| Wed 11Nov | 53, fair | 0.9 m | 9 kn | 16kn | 28°C |
Sea is the waves near the site, in metres; wind and gusts in knots. "Boats in": gusts that keep dive boats in. More
Tide
- Sun 1 NovHigh 01:51 −0.2 mLow 07:39 −0.5 mHigh 15:31 +0.8 mLow 22:54 −0.4 m
- Mon 2 NovHigh 03:54 −0.1 mLow 09:13 −0.5 mHigh 16:28 +0.8 mLow 23:30 −0.5 m
- Tue 3 NovHigh 05:04 +0.1 mLow 10:28 −0.5 mHigh 17:15 +0.8 m
Local clock times; heights about mean sea level. On open coasts the times are usually within a quarter of an hour; in bays, estuaries and on the Gulf of Mexico they can be an hour or more out. Slack water, the safest time to dive where there is current, is about half an hour either side of each high and low. Tide: EOT20 global ocean tide model, Hart-Davis et al. 2021, DGFI-TUM (doi:10.17882/79489), CC BY 4.0. Times and heights computed by us. A model, not a tide table: check a local table before you go.
Forecast updated . It refreshes every three hours. Forecast data: ECMWF, DWD, Météo-France and NOAA, served by Open-Meteo.com (CC BY 4.0). Changed by us. Generated using E.U. Copernicus Marine Service Information.
Best time to go
best Mar, Dec–Jan
Good diving days in a typical week, each month, for Advanced divers, from 2016 on (ERA5 history scored the same way).
- Jan7of 7: a trip from Sat 2 Jan
- Feb6of 7: a trip from Sat 6 Feb
- Mar7of 7: a trip from Sat 6 Mar
- Apr6of 7: a trip from Sat 3 Apr
- May4of 7: a trip from Sat 1 May
- Jun3of 7: a trip from Sat 5 Jun
- Jul2of 7: a trip from Sat 3 Jul
- Aug2of 7: a trip from Sat 7 Aug
- Sep2of 7: a trip from Sat 4 Sept
- Oct5of 7: a trip from Sat 2 Oct
- Nov6of 7: a trip from Mon 2 Nov
- Dec7of 7: a trip from Sat 5 Dec
Tap a month to see this spot for a trip then.
Typical, not a forecast: the sea and the mean wind of each day, with no gusts or rain in the history.
Map
the site and its town
Dinah's Beach on Google Maps · Directions
Each place wears its best day on these dates: green good, amber fair, pale red poor, as the key says.
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One finger scrolls the page; two fingers move the map. Pins are our own positions. Map OpenFreeMap, © OpenMapTiles, data © OpenStreetMap contributors.
More diving near here
1 place
- The Bottleneck Milne Bay 2.6 km away
About
the place in full, sources, credits
About Dinah's Beach
A muck dive. It goes down to 15 m. You get in from the shore. It suits Open Water divers and up, as a dive guide states it. The coast faces S: swell from the S reaches it, and wind from the N blows out to sea. No dive centre within 10 km, the nearest 48 km away. The sea is about 26°C in July, its coldest month (3 mm wetsuit), and 30°C in March, its warmest (rash vest or 1 to 2 mm). For Advanced divers the best months are usually January, March and December, with about 7 good days in 7; in July, August and September, about 2. From the weather of past years. The town to stay in is Samarai. Within 5 km we also list 1 dive site.
- What it is Muck.
- How deep Down to 15 m.
- Getting in From the shore.
- Who it suits Suits Open Water divers and up, as a dive guide states it.
- Dive centres No dive centre within 10 km, the nearest 48 km away.
Water about 28°C: 3 mm wetsuit. Typical sea temperature for the time of year, not a forecast.
Visibility about 10 m. Typical for the time of year, estimated from ten years of NASA satellite water clarity, not a forecast. Clearest in Feb, Mar, Apr and Dec (about 15 m).
The score is the conditions only: the journey, the price and the partners never change it (how we score, how we earn).
Where to stay: Samarai
13 min by car
about US$74/nightcountry average
About Samarai its beds, food and every spot near it
Nearest town: Samarai, 8 km. We have not checked places to stay in Samarai yet. The nearest beds we have counted are in Port Moresby, 410 km away. Search before you plan on staying there.
About US$74 a night is our estimate of the country's average 2-star double room that month: not each town's price, and not a quote. Drives are estimates. Prices are about, in US Dollar (USD): our pound figures at the European Central Bank's rate of 30 October 2026.
In the water
Dives and courses in Samarai · GetYourGuideDive gear hire in Samarai · GetYourGuide
Dive centres nearby
No dive centre mapped within 25 km.
Dive centres: © OpenStreetMap contributors (ODbL). Credits
What you might see
Too few open records near this site to list its animals. Ask a dive centre what you are likely to see.
This week: visibility about 15 m, clearer than usual (satellite plankton reading, 24 Oct). Estimated from the month's typical visibility and this week's satellite chlorophyll against the site's normal; heavy rain before a dive can still muddy it.
The current and the life no free forecast gives. Ask a dive centre before you book.