o'day 25 sailboat specs

O'DAY 25 Detailed Review

If you are a boat enthusiast looking to get more information on specs, built, make, etc. of different boats, then here is a complete review of O'DAY 25. Built by O'Day Corp. and designed by Raymond Hunt (C.R. Hunt & Assoc.), the boat was first built in 1975. It has a hull type of Keel/Cbrd. and LOA is 7.57. Its sail area/displacement ratio 17.11. Its auxiliary power tank, manufactured by undefined, runs on undefined.

O'DAY 25 has retained its value as a result of superior building, a solid reputation, and a devoted owner base. Read on to find out more about O'DAY 25 and decide if it is a fit for your boating needs.

Boat Information

Boat specifications, sail boat calculation, rig and sail specs, contributions, who designed the o'day 25.

O'DAY 25 was designed by Raymond Hunt (C.R. Hunt & Assoc.).

Who builds O'DAY 25?

O'DAY 25 is built by O'Day Corp..

When was O'DAY 25 first built?

O'DAY 25 was first built in 1975.

How long is O'DAY 25?

O'DAY 25 is 6.4 m in length.

What is mast height on O'DAY 25?

O'DAY 25 has a mast height of 7.47 m.

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o day 25 seaworthiness

• Thread starter lkishee
• Start date Jan 25, 2011
• Oday Owner Forums
• Ask An Oday Owner

Anyone taken their 25 outside? I have been sailing for about a year but just in a local lake. Curious about the seaworthiness of this boat.  

Being that we just bought an O'Day 25....I am very interested in the response to this post. lkishee, What is your opinion with the experience you have so far?  

Like you, my Oday 25 is new to me, and I have done comparisons to Cal 25, Cat 25 which I have owned. By the numbers the Oday has a slight edge over both. If that follows the rules, the sailing points to all three are very similar. I can't wait. I will say this I have had both of my other 25's outside (SF to Bodega Bay)(SF to San Diego) and they were both solid sailing vessels. I expect no less from my Oday. Happy Sailing  

I saw a couple that had sailed to Jamaica and are in a marina there (one had a modified keel). Personally, I sail Lake Superior and am cautious when I go outside the islands. sPk  

Coastal Cruising or True Blue Water sailing? It is more than enough for coastal cruising. I have taken mine offshore but I also keep a close eye on the weather. I am planning to go on a 3 day fishing trip in a few months to the Florida Middle Grounds about 70 miles off shore. I know of many that go to the Dry Tortugas in a lot less and that is about 70 miles off shore. It would help to know what needs to be upgraded if you are sailing a 30 year old boat. Captain Ron/ If it is going to happen Boss, It is going to happen out there! /Captain Ron  

coastal cruising, possibly a trip to the bahamas at some point but will definetly have to feel it out first. I bought the boat from my grandpa who is 78 and has sailed since he was in his 20s. He is very particular so my guess is it needs very little in the way of new hardware. ( he has owned it 3 years, kept in a freshwater slip) The main and working jib were recently new when purchased by him. At his age he only sailed in VERY fair weather so that should be good. the backstay seems a little slack but I dont know how tight it should be. ( the cable is loose, but not the brackets) The only thing that i feel uneasy about is that the mainsail seems a little sticky in the track. It has never actually stuck, but it doesn't always seem fluid. is there a special lubricant for that?  

Also, at one point the rudder loosened up. I went below the cockpit to tighten it and noticed that you could see light through the transom. not as in a hole but it looks kind of thin. is that normal? there were no leaks as it was bone dry and hasn't been out of the water for a couple years.  

I think the rigging is on the light side for much heavy weather sailing. Rich  

This is my first sailboat and I have been on no others so I can't really compare. I have been out in the lake with a lake wind advisory (just motoring around) and it definetly felt way more secure than some deck boats and bow riders I have been in but that is comparing apples and oranges.  

I've had my Oday 25 maybe 7 years.I sail out of Milwaukee on Lake Michigan.Here are a few things I've learned so far . There are a great many boats faster in lighter winds.You need at least 7 to 10 knots of wind before she'll get in her groove. When you remove that funky tan burlap covering ,you'll see light from through the hull. Doesn't seem to affect the sailing one bit. I've been led to believe that the transom was lightly built. Well I cracked the transom launching the boat one year and decided to take the oppurtunity to take care of it once and for all. The grudgeons had been leaking as well. There was a 1/2" thick (?) sandwich of wood in the transom. I ended up with 1" and multiple layers of fiberglass woving. The rest of the boat seemed very well put together . When the wind pipes up and the waves start to build I'm glad I went with the Oday over some of the other brands . The Oday plows through the waves when the other 25 footers are bouncing up and over. The ride or the motion is very reassuring.As of yet I haven't run the halyards back to the cockpit. As far as the backstay tension goes ,I would snug it up pretty tight. I makes a big differance with the furler (CDI) and I've still come away with very respectable sail shape. I really like the fact that both the traveller and the mainsheet are directly in front the helmsman.For me that is where they belong if your going out in bigger water especially by yourself .  

Shoaldrafter

lkishee said: Anyone taken their 25 outside? I have been sailing for about a year but just in a local lake. Curious about the seaworthiness of this boat. Click to expand

Attachments

"So, in conclusion, if you want to test the sea worthiness and report back, let us know your results. Also, tell us when you leave, so that if you do not post a reply, we know the limits..." lkishee Don't worry about the ending of this post. This guy ended an intelligent post with the same type statement in a thread that I created. Also, he included the picture of a boat that had sunk and you could still see its mast. Do not be discouraged by what one person has to say about your sailing. There are two pretty big O'Day groups on Facebook that have pretty good membership as well as this site. The groups on facebook have pretty good pictures and also seem like there are good discussions as well. Hope this helps. I just recently purchased a 25 in the off season and can not wat to see what the boat can do.  

Purchased my 25 in the fall and will bring it up the Jersey coast from the Chesapeake, in the spring, to NYC. Looked it over and don't think there will be any problem. Since the boat is new to me, I'll try to stay out of winds over 25K if possible just in case.  

ebsail If I may make a suggestion, being that it is an old boat and untried, you might consider taking the sails to a sailmaker and have them checked over. Unless they were made fairly recently you could have problems. http://forums.oday.sailboatowners.com/showthread.php?p=747572&highlight=sail slides The main is pretty much useless without something as simple as sail slides. Rich  

Not worried about that. Thanks for your reply. I think this particular boat is about as sturdy as this model gets. Just that going off the coast is a bit of a mystery to me. Where do you sail from?  

lkishee said: Not worried about that. Thanks for your reply. I think this particular boat is about as sturdy as this model gets. Just that going off the coast is a bit of a mystery to me. Where do you sail from? Click to expand

RBone said: ebsail ? If I may make a suggestion, being that it is an old boat and untried, you might consider taking the sails to a sailmaker and have them checked over. Unless they were made fairly recently you could have problems. http://forums.oday.sailboatowners.com/showthread.php?p=747572&highlight=sail slides The main is pretty much useless without something as simple as sail slides. Rich Click to expand

ebsail said: Good advise. I've already had the sails looked at and repaired. Click to expand

gabriel.donnelly

I live on Lake Travis in Texas, the windy part. The 25' has handled everything this lakes had to offer -gusts up to 25 knots and ridiculous swells from power yachts- I do plan to move back home to coastal Maine in the next 5 years so I have a good amount of time to make improvements to the rigging and other items. Anyone have any suggestions? Thanks.  

I have a 1980 and it has been in 30 knot winds. Both my wife and I were apprehensive about reefing when the winds kicked up but it was pretty easy as we have done it so many times. We spilled some wind and she moved with ease. The boat is really solid in heavy wind. We observed the stead fast rule in heavy wind, when in doubt - let it out.  

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The O'Day 25 sailboat is a classic and versatile vessel that offers a delightful sailing experience for both novice and experienced sailors. With a length overall of 25 feet and a beam of 8 feet, this pocket cruiser strikes a balance between maneuverability and comfort. The boat's design features a moderate keel, which provides stability and excellent upwind performance, making it suitable for coastal cruising or even some light offshore sailing.

The O'Day 25 boasts a spacious and well-laid-out interior that maximizes its compact size. The cabin offers comfortable sleeping accommodations for up to four people, with a V-berth forward and two settee berths amidships. It also includes a small galley area with a sink and a two-burner stove, along with a compact head compartment. The large windows and hatches provide ample natural light and ventilation, creating a bright and airy atmosphere below deck.

On deck, the O'Day 25 features a well-organized cockpit that allows for easy handling and maneuvering. The boat's rigging is simple and straightforward, making it manageable for single-handed sailing. The generous sail area, combined with its efficient hull design, ensures excellent performance under sail. Whether you're cruising along the coast, participating in a weekend race, or enjoying a leisurely day sail, the O'Day 25 offers a reliable and enjoyable sailing experience for sailors of all skill levels.

LOA: 24.83 ft LWL: 21.00 ft Beam: 8.00 ft Draft: 6.00 ft Displacement: 4007.00 lbs Ballast: 1825.00 lbs Hull type: Keel/Cbrd. Hull construction: FG Rigging type: Masthead Sloop

O'Day 25 for sale in the last 12 months

Below you'll find the latest O'Day 25 listings for the last 12 months. We compare the listing price with boats listed in the past and the color coding indicates if the price is good (green = below the average listing price) or more on the expensive side (red = seller is asking more than the average listing price).

O'Day 25 listing prices over time

Listing details.

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• Sailboat Guide

1976 25' Oday 25

• Description

Seller's Description

Oday 25 - Very Good Condition

Tohatsu Long Shaft Outboard 8HP.

Mainsail as well as a Genoa, Drifter, Storm, and #1 Jib (headsails) included.

Lowrance Depth and Fish Finder

All rigging in excellent condition.

Life Jackets, Flares, and all safety equipment current and in excellent condition.

Equipment: Mainsail, Genoa, Drifter, Storm, and #1 Jib (headsails) included. Life Jackets

All rigging in excellent condition

Rig and Sails

Auxilary power, accomodations, calculations.

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.

Classic hull speed formula:

Hull Speed = 1.34 x √LWL

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio .311 Hull Speed = Max Speed/Length ratio x √LWL

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.

SA/D = SA ÷ (D ÷ 64) 2/3

• SA : Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
• D : Displacement in pounds.

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.

Ballast / Displacement * 100

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

• D: Displacement of the boat in pounds.
• LWL: Waterline length in feet

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam 1.33 )

• D: Displacement of the boat in pounds
• LOA: Length overall in feet
• Beam: Width of boat at the widest point in feet

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.

CSV = Beam ÷ ³√(D / 64)

One of company’s most successful models and in production for nearly a decade. A majority were delivered with a keel/cb, but a fixed keel version was also available (Draft:4.50’/1.37m), as was a taller rig. I: 32.00’ / 9.75m J: 10.60’ / 3.23m P: 26.50’ / 8.08m E: 9.00’ / 2.74m Yanmar inboard diesel available as an option.

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