***Editor's note: Please note that most of these offers have expired now, bar one or two exceptions.


Black Friday, the US shopping bonanza traditionally held the day after Thanksgiving, is now a firm fixture on the UK retail calendar (in case you're wondering it takes its name from the fact that stores go into the black as shoppers snap up bargains).

Ocean and river cruise lines have embraced the trend with deals for the period surrounding Friday, November 23. Here's a round up of what's available so far -- but make sure to look back regularly as we are adding more offers as soon they are announced.


Ocean

Cruise From £399 with Royal Caribbean

What it is: Sailings starting at six nights for £399 per person.

Eligible voyages include: Seven-night Western Caribbean itinerary on Oasis of the Seas departing January 20, 2019; seven-night Eastern Caribbean cruise on Harmony of the Seas departing February 17, 2019; six-night France and Spain cruise on Explorer of the Seas departing Southampton October 5, 2019; four-night Bahamas cruise on Mariner of the Seas departing October 21, 2019.

Valid: Bookings between November 22 and 26, 2018

More info: Royal Caribbean Black Friday Deals


Princess Cruises Seven-day Sailings From £549

What it is: Savings on 12 ex-UK voyages departing between April and October 2019.

Eligible voyages include: Seven-day Scandinavia sailing departing April 27 and June 29, 2019; 14-day "Baltic Heritage" itinerary departing August 31, 2019; 14-day "Mediterranean Adventurer" cruise departing August 17, 2019; 12-day round-Britain itineraries departing Southampton on selected dates.

Valid: Bookings between November 23 and November 26, 2018

More info: Princess Cruises Black Friday Deals


Extra Discounts From Cruise & Maritime Voyages

What it is: Additional Black Friday savings of up to 15 percent on more than 70. cruises with Cruise & Maritime Voyages (CMV).

Eligible voyages include: Four-night German Christmas market and Amsterdam round-trip sailing on Columbus departing Tilbury December 13, 2018; five-night Rotterdam, Rouen and Honfleur Christmas market round-trip cruise on Marco Polo departing Tilbury December 9, 2018; 27-night Sydney to Hong Kong sailing on Columbus, including calls at Papua New Guinea, Tokyo,  Beijing and Shanghai, departing February 24, 2019.

Valid: Bookings between November 22 and 26, 2018

More info: CMV Black Friday Deals


Fred. Olsen Flash Sale

What it is: Save up to 40 percent per person on ex-U.K. and fly-cruises.

Eligible voyages include: 14-night "Indian ocean Islands & Zanzibar" fly-cruise on Boudicca departing Mauritius December 12, 2018; 14-night "Landscapes of the Canary Islands" round-tip Dover sailing on Boudicca departing March 9, 2019; 11-night Spain, Portugal & Madeira" round-trip Southampton itinerary on Balmoral departing March 22, 2019; eight-night "Into the Heart of Spain & Bordeaux" round-trip Southampton itinerary on Braemar departing March 30, 2019; eight-night "Cruising German Waterways" round-trip Newcastle sailing on Balmoral departing April 21, 2019; 18-night "Exploring Cape Verde & the Canaries" adults-only round-trip Southampton cruise departing May 14, 2019; 16-night "Sun, Sea & the Monaco Grand Prix" round-trip Dover itinerary on Boudicca departing May 17, 2019.

Valid: Bookings between November 23 and 26, 2018

More info: Fred. Olsen Cruise Lines


Free New York Stay, Home Transfers and Onboard Credit With Scenic

What it is: Complimentary three-night stay in New York on U.S. and Canada cruises, free door-to-door transfers and up to $500 per cabin onboard spend.

Eligible voyages include: All Scenic river cruises and selected touring cruises.

Valid: Bookings between November 23 and 26, 2018

More info: Scenic


Celestyal Cruises Offers Sailing Deals and Low Single Supplements

What it is: Mediterranean cruises from £294 per person, £139 for children and single supplements from 15 percent.

Eligible voyages include: Selected 2019/2020 three-night itineraries on Celestyal Olympia taking in Athens, Mykonos, Kusadasi in Turkey, Patmos, Crete and Santorini.

Valid: Bookings now until November 29, 2018

More info: Celestyal Cruises Sailing Deals


Savings, Cabin Upgrades and Onboard Credit With Silversea

What it is: Up to £350 per person savings, one category suite upgrade and $1,000 onboard credit per suite.

Eligible voyages include: All sailings departing November 24, 2018, to April 29, 2019.

Valid: Bookings paid in full by November 26, 2018

More info: Silversea Black Friday Sale


Small Ship Ocean and River Savings With Chimu Adventures

What it is: Up to 40 percent savings on Latin America and Polar itineraries.

Eligible voyages include: 10-day Antarctica itinerary departing January 15, 2019; eight-day inaugural sailing in the Arctic departing June 23, 2019; selected four-day Galapagos cruises; selected four-day Ecuadorian Amazon river trips.

Valid: Bookings between November 23 and 30, 2018

More info: Chimu Adventures


Half Price Fares, Onboard Spending and Free Drinks With Celebrity Cruises

What it is: Fare savings of 50 percent for second passenger sharing a cabin, complimentary Classic Drinks package per person and $200 onboard spending money per cabin.

Eligible voyages include: Seven-night Norwegian fjords round-trip Southampton cruise departing April 27, 2019; 14 night Western Mediterranean round-trip Southampton sailing departing July 28, 2019;

Valid: Bookings between November 22 and 26, 2018.

More info: Celebrity Cruises Cruise Deals


Exclusive Online Deals With Saga

What it is: Savings of up to £200 per person on selected cruises booked online only.

Eligible voyages include: 15-night "Arctic Norway and the Northern Lights" round-trip Dover itinerary departing February 12, 2019; 7-night "Norway Quest" round-trip Dover cruise departing June12, 2019; 15-night "Grand Baltic" round-trip Dover cruise departing June 19, 2019.

Valid: Bookings now until November 26, 2018

More info: Arctic Norway & the Northern Lights


River

CroisiEurope Buy One Fare Get 50 Percent Off Second

What it is: Buy a full fare on selected voyages and the second guest sharing the cabin gets 50 percent off.

Eligible voyages include: Departures are in March and April and are on the Po, Seine, Rhine and the French canals.

Valid: Bookings from now until November 27, 2018

More info: Croisi Europe Black Friday Deals


Save up to £865 with Avalon Waterways

What it is: Savings of up to £865 on Active Discovery Cruises on the Rhine in 2019.

Eligible voyages include: Seven-night Rhine cruise departing Amsterdam in May 2019 and including stops in Cologne and Rudesheim.

Valid: Bookings from now until November 30, 2018

More info: Active Discovery Discounts


European Waterways Offers 30 Percent Savings on Hotel Barges

What it is: Savings of up to £12,270 on six-night whole-boat charters on the 8 to 12-passenger luxury barges including Anjodi, L'Art de Vivre, Panache and Scottish Highlander.

Eligible voyages include: Scottish Highlands cruise departing April 14, 2019; Burgundy sailings departing March 31 and April 14, 2019; Dutch tulip time itinerary departing March 31, 2019.

Valid: Bookings between November 23 and 27, 2018

More info: European Waterways


G Adventures Offers Savings on Small Ship Sailings

What it is: Discounts of up to 35 percent on selected cruise departures from December 2018 to July 2019.

Eligible voyages include: Seven-night "Mekong River Experience" in Vietnam and Cambodia; eight-night Peru land itinerary and Amazon cruise.

Valid: Bookings from now until November 26, 2018

More info: G Adventures Cruise Deals