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Round Reef
Dive site · Canada
Advanced divers and up
Is it worth the trip?
57Fair out of 100 for your dates
Best on Tue 3: Sea: flat, Visibility under 5 m, Water 10 °C
Mon 2 · 61 out of 100
- Sea
- 0.4 m
- Wind
- 7 kn
- Gusts
- 16kn
- Air
- 15°C
Tue 3 · 63 out of 100
- Sea
- 0.2 mflat
- Wind
- 3 kn
- Gusts
- 9kn
- Air
- 12°C
Wed 4 · 60 out of 100
- Sea
- 0.3 m
- Wind
- 8 kn
- Gusts
- 16kn
- Air
- 12°C
Thu 5 · 61 out of 100
- Sea
- 0.5 m
- Wind
- 5 kn
- Gusts
- 8kn
- Air
- 14°C
Fri 6 · 59 out of 100
- Sea
- 0.7 m
- Wind
- 10 kn
- Gusts
- 20kn
- Air
- 14°C
Sat 7 · 0 out of 100
- Sea
- 0.8 m
- Wind
- 18 kn
- Gusts
- 41knboats in
- Air
- 15°C
Sun 8 · 59 out of 100
- Sea
- 0.5 m
- Wind
- 11 kn
- Gusts
- 24kn
- Air
- 12°C
Tap a day for sea, wind and water. Full forecast
Forecast: next 10 days
Full forecast- Sun 163, good
- Mon 261, good
- Tue 363, good
- Wed 460, good
- Thu 561, good
- Fri 659, fair
- Sat 70, poor
- Sun 859, fair
- Mon 963, good
- Tue 1064, good
The site in five facts
- Down to 18 mits deepest
- From a boathow you get in
- Advancedand up
- Water 10 °C7 mm semi-dry or a drysuit
- Faces Sswell from there reaches it
Full forecast
every day, every number
The score doesn't know currents, the visibility on the day or your certification.
Suits Advanced divers and up, as a dive guide states it. Scored for Advanced divers.
| Day | Score | Sea | Wind | Gusts | Air |
|---|---|---|---|---|---|
| Sun 1Nov | 63, good | 0.1 mflat | 7 kn | 14kn | 9°C |
| Mon 2Nov | 61, good | 0.4 m | 7 kn | 16kn | 15°C |
| Tue 3Nov | 63, good | 0.2 mflat | 3 kn | 9kn | 12°C |
| Wed 4Nov | 60, good | 0.3 m | 8 kn | 16kn | 12°C |
| Thu 5Nov | 61, good | 0.5 m | 5 kn | 8kn | 14°C |
| Fri 6Nov | 59, fair | 0.7 m | 10 kn | 20kn | 14°C |
| Sat 7Nov | 0, poor | 0.8 m | 18 kn | 41knboats in | 15°C |
| Sun 8Nov | 59, fair | 0.5 m | 11 kn | 24kn | 12°C |
| Mon 9Nov | 63, good | 0.2 mflat | 4 kn | 14kn | 12°C |
| Tue 10Nov | 64, good | 0.1 mflat | 1 kn | 10kn | 11°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 04:07 +3.1 mLow 10:19 −3.1 mHigh 16:32 +3.3 mLow 22:56 −3.4 m
- Mon 2 NovHigh 05:11 +3.0 mLow 11:25 −3.0 mHigh 17:38 +3.2 m
- Tue 3 NovLow 00:01 −3.3 mHigh 06:17 +3.0 mLow 12:31 −3.1 mHigh 18:45 +3.1 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.
Map
the site, its town, photos
Round Reef on Google Maps · Directions
Each place wears its best day on these dates: green good, amber fair, pale red poor, as the key says.
The map needs JavaScript. Every place on it is listed on this page, and each place's page links to Google Maps.
One finger scrolls the page; two fingers move the map. Pins are our own positions. Map OpenFreeMap, © OpenMapTiles, data © OpenStreetMap contributors.
Photos of Round Reef
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More diving near here
2 places
- LSM-[??] 18.4 km away
- USS LSM-56 18.7 km away
About
the place in full, sources, credits
About Round Reef
A reef dive. It goes down to 18 m. You get in from a boat. It suits Advanced 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. 1 dive centre or shop within 10 km, the nearest 1.0 km away. The sea is about 3°C in March, its coldest month (drysuit), and 15°C in August, its warmest (7 mm semi-dry or a drysuit). The town to stay in is Saint John. Within 5 km we also list 1 surf spot and 1 mountain bike area.
- What it is Reef.
- How deep Down to 18 m.
- Getting in From a boat.
- Who it suits Suits Advanced divers and up, as a dive guide states it.
- Dive centres 1 dive centre or shop within 10 km, the nearest 1.0 km away.
Water about 10°C: 7 mm semi-dry or a drysuit. Typical sea temperature for the time of year, not a forecast.
Visibility under 5 m. Typical for the time of year, estimated from ten years of NASA satellite water clarity, not a forecast. Much the same all year (under 5 m).
The score is the conditions only: the journey, the price and the partners never change it (how we score, how we earn).
Rough cost (estimate): about US$898–US$1,630 each
about US$898–US$1,630 each · 6 nights, 2 sharing: flights, hire car, stay, food.
Our estimate from typical public prices, not a quote: check the real prices before you book (where they come from). Prices are about, in US Dollar (USD): our pound figures at the European Central Bank's rate of 30 October 2026.
How we worked it out
| What | How we worked it out | Each |
|---|---|---|
| Flights | return ORD to BGR, estimated from distance and season, 2 airlines on the route, with a hold bag | about US$181–US$375 |
| Hire car | 6 days, shared | about US$134–US$228 |
| Stay | 6 nights, a mid-range double, shared | about US$275–US$456 |
| Food | 7 days eating out | about US$308–US$576 |
| Total | about US$898–US$1,630 |
Guided dives are not priced yet: we have no sourced price, so it is not in it. Prices from public sources, checked in 2026.
Where to stay: Saint John
3 min by car · 23 places to stay
about US$100/nightcountry average
About Saint John its beds, food and every spot near it
About US$100 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.
Getting there: about 8h 50m
About 8h 50m door to door from Chicago
Fly ORD → BGR, direct, then 4h 10m by road
Flights ORD → BGR on your dates · Skyscanner
An estimate, one way; the journey never changes the score.
In the water
Dives and courses in Saint John · GetYourGuideDive gear hire in Saint John · GetYourGuide
Dive centres nearby
The Dive Shack 1.0 km
The nearest named dive centres and shops within 25 km, in a straight line; training agencies where the map states them. Listings, not a recommendation. Dive centres: © OpenStreetMap contributors (ODbL). Credits
What you might see
Animals divers and surveys have recorded within 2 km of this site in the last 15 years. A record says someone saw it here, not that you will.
Crangon septemspinosa
Seen in 43 records, mostly May to Sep.
Atlantic Tomcod Microgadus tomcod
Seen in 38 records, mostly May to Aug.
Pseudopleuronectes americanus
Seen in 21 records, mostly May to Aug.
Cushy Gasterosteus aculeatus
Seen in 17 records, mostly May to Aug.
Green Smelt Menidia menidia
Seen in 16 records, mostly May to Aug.
Rainbow Smelt Osmerus mordax
Seen in 15 records, mostly May to Jul.
Branchy Gasterosteus wheatlandi
Seen in 6 records.
Northern Pipefish Syngnathus fuscus
Seen in 3 records.
Records: OBIS (Ocean Biodiversity Information System, IOC-UNESCO), from the datasets named here, CC0 and CC BY records only. Names: WoRMS, through OBIS; common names from Wikidata. Largest datasets here: 78ac5402-ed2e-4d85-8362-42a546619b48; EC-CWS Eastern Canada Seabirds at Sea. Credits
This week: visibility under 5 m, about usual for the month (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 no free forecast gives. Ask a dive centre before you book.