Karatsu tides today
- Tide now 1.2 ft ↑ rising · high 11:44 am (6.2 ft)
- Best time to fish 5:00–5:50 pm good day · 7/10
- Beach tomorrow 1:00–5:00 pm Good beach day · 7/10
- Waves · water 0.9 ft · 73 °F smooth · 6.9 s from the north-northeast
- Wind · air 2 mph · 52 °F from the SE, gusts 5 · overcast
- Sun 6:36 am–5:32 pm 10 h 56 min of daylight
- Moon 88% · 7:47 pm waning gibbous · rises at 7:47 pm
- Best time to dive 10:50 am–12:40 pm great day · 10/10
- Dense Fog Advisory (濃霧注意報) · Karatsu City: visibility 330 ft or less, take care. Until further notice. Japan Meteorological Agency (JMA), issued today at 4:01 am · Public Data License 1.0
Official text
Japanese
佐賀県濃霧注意報
佐賀県では、濃霧による視程障害に注意してください。
唐津市：濃霧注意報（発表）
陸上 視程：１００メートル以下出典：気象庁ホームページ (https://www.jma.go.jp/). TidePlanet has extracted this area’s warnings from the JMA’s, translated their names and converted their figures to the chosen units: this is not an official JMA publication.
Today in Karatsu there are high tides at 11:44 am (6.2 ft) and 11:13 pm (6.7 ft) and low tides at 5:03 am and 4:55 pm. Tide coefficient 91. Right now the tide is rising toward the high tide at 11:44 am. The sun rises at 6:36 am and sets at 5:32 pm: 10 h 56 min of daylight. The moon is 88% illuminated (waning gibbous) and rises at 7:47 pm. Major solunar periods run from 1:22 am to 3:22 am and from 1:54 pm to 3:54 pm. The next spring tides arrive from October 27 to 29. The sea is smooth, with 0.9 ft waves. There's a light air from the southeast (2 mph). Overcast, 52 °F.
Fishing in Karatsu today
Best time to fish
Solunar activity today: medium- Low tide at 4:55 pm
- Sunset at 5:32 pm, golden hour from 4:57 pm
- Steady pressure (30.15 inHg), almost no wind and calm sea (0.6 ft waves)
- Waning gibbous: a bit more activity than at the quarters
- Highest tide coefficient today: 91 (spring tides)
Your day at a glance
The best window, 5:00 pm to 5:50 pm, combines the 4:55 pm low tide and sunset. Also good from 10:10 pm to 12:00 am, with the 11:13 pm high tide and falling pressure. Also good from 10:40 am to 12:40 pm, with the 11:44 am high tide.
Species with the most records nearby: striped mullet, red seabream, blackhead seabream and Japanese seabass. What you can catch
Beach day in Karatsu
Is it a beach day?
- Sun and clouds
- Almost no wind
- Calm for swimming: 0.9 ft waves
- Water at 73 °F (nice)
- Low tide at 4:55 pm: more sand
- Feels like 70 °F: a bit cool
Today, hour by hour
- Swimming Calm · 0.9 ft
0.9 ft waves: calm for swimming. Low rip current risk. Always follow the lifeguard's flags.
- Water 73 °F
Nice for swimming.
- Sun & sunscreen UV 3 · SPF 15
Max UV 3 (low): SPF 15 sunscreen.
- Wind 3 mph
Almost no wind.
- Tide & sand 4:55 pm
Low tide at 5:03 am and 4:55 pm: that's when there's the most sand. High tide at 11:44 am and 11:13 pm. Coefficient 91 (spring tides): little sand left at high tide.
We don't have data on jellyfish, sargassum or beach closures: ask the lifeguard or check with the local beach authority. How it works · The next 7 days
Beaches near Karatsu
Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors
- Nishinohama Beach 1.0 mi · N
- Restrooms
- Parking
- Higashinohama Beach 1.9 mi · E
- Restrooms
- Parking
- 佐志浜人工海浜浴場 2.9 mi · NW
- Hamasaki Coast 3.5 mi · E
- Restrooms
- Parking
- Kotari Beach 3.6 mi · NW
- Oka Beach 5.2 mi · N
Named beaches within 6.2 mi, nearest first. Amenities from OpenStreetMap: some may be missing or out of date. View on OpenStreetMap · Add or fix on OpenStreetMap
Beaches and amenities: © OpenStreetMap contributors (ODbL).
Webcams near Karatsu
Webcams provided by windy.com — add a webcam
Tides in Karatsu
Today's high and low tides
- ▼ Low tide 5:03 am 0.2 ft
- ▲ Next high tide 11:44 am 6.2 ft · coef. 91
- ▼ Low tide 4:55 pm 2.5 ft
- ▲ High tide 11:13 pm 6.7 ft · coef. 85
↑ Rising The tide is rising. 4 h 53 min to high tide at 11:44 am.
Tide coefficient 91 for the 11:44 am high tide and 85 for the 11:13 pm high tide. Spring tides. The water rises and falls 6.5 ft between the highest high and the lowest low: a large range for this place. 70 is an average tide here; 90 and above means spring tides; below 45, neap tides. What is the tide coefficient?
2026 extremes: the highest tide of the year is on August 13 (7.7 ft) and the lowest, on December 25 (-1.0 ft).
Mixed: two high and two low tides a day, but of quite different heights.
Heights above NLLW. Astronomical prediction: wind and air pressure can raise or lower the water by a few inches, and more in a storm. Not for navigation. NLLW
Tide coefficient and range in October
The biggest tides of the month came from October 26 to 27 (coefficient 105, 6.9 ft range). The smallest, on October 19 (coefficient 20, 2.0 ft).
Tide and solunar table · this week
| Day | Sun | Tide 1 | Tide 2 | Tide 3 | Tide 4 | Coef. | Moon | Major periods | Activity |
|---|---|---|---|---|---|---|---|---|---|
| Today, Thu 29 | 6:36 am · 5:32 pm | Low tide 5:03 am · 0.2 ft | High tide 11:44 am · 6.2 ft | Low tide 4:55 pm · 2.5 ft | High tide 11:13 pm · 6.7 ft | Coef. 91 | 88% | Major periods 1:22 am · 1:54 pm | Medium |
| Fri 30 | 6:37 am · 5:31 pm | Low tide 5:52 am · 0.5 ft | High tide 12:36 pm · 5.7 ft | Low tide 5:33 pm · 3.0 ft | High tide 11:59 pm · 6.2 ft | Coef. 76 | 80% | Major periods 2:27 am · 2:59 pm | Medium |
| Sat 31 | 6:38 am · 5:30 pm | Low tide 6:49 am · 1.0 ft | High tide 1:37 pm · 5.1 ft | Low tide 6:19 pm · 3.4 ft | — | Coef. 59 | 69% | Major periods 3:31 am · 4:01 pm | Medium |
| Sun 1 | 6:38 am · 5:29 pm | High tide 1:01 am · 5.7 ft | Low tide 7:58 am · 1.5 ft | High tide 2:57 pm · 4.8 ft | Low tide 7:30 pm · 3.7 ft | Coef. 52 | 58% | Major periods 4:31 am · 5:00 pm | Medium |
| Mon 2 | 6:39 am · 5:28 pm | High tide 2:35 am · 5.2 ft | Low tide 9:25 am · 1.9 ft | High tide 4:32 pm · 4.7 ft | Low tide 10:13 pm · 3.6 ft | Coef. 40 | Last quarter | Major periods 5:27 am · 5:53 pm | Medium |
| Tue 3 | 6:40 am · 5:27 pm | High tide 4:19 am · 5.1 ft | Low tide 10:55 am · 2.1 ft | High tide 5:44 pm · 5.0 ft | Low tide 11:49 pm · 3.0 ft | Coef. 46 | 36% | Major periods 6:18 am · 6:42 pm | Medium |
| Wed 4 | 6:41 am · 5:26 pm | High tide 5:41 am · 5.3 ft | Low tide 12:02 pm · 2.0 ft | High tide 6:31 pm · 5.3 ft | — | Coef. 58 | 26% | Major periods 7:05 am · 7:28 pm | Medium |
▲ high tide · ▼ low tide · heights above NLLW. Major periods: start time; they last 2 hours. Activity: based on the moon phase and the solunar periods.
Where this tide comes from
Tides from the Karatsu station (TICON-4), 1.8 mi from Karatsu. Times and heights are its predictions.
Station data attribution: Slackwater database (https://github.com/openwatersio/slackwater-database). Source: Hart-Davis, M., Dettmering, D., Seitz, F. (2025), TICON-4: TIdal CONstants based on GESLA-4 sea-level records, SEANOE, https://doi.org/10.17882/109129. Licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Modified: see https://github.com/openwatersio/slackwater-database#modifications-to-source-data
The sea at Karatsu
Sea stateSea state: smooth
The waves you may find
- Most commonMost common0.5 ft
- Significant0.9 ft
- Highest expectedHighest1.9 ft
One wave in seven is higher than the significant height, and about 3 times a day one reaches 1.9 ft. Before heading out, expect waves of up to 1.9 ft.
Wind on the coast and offshore
Cross-shore wind. The coast faces north and the wind blows along the shore: drift and current run parallel to the beach.
Wave height, next 7 daysWaves, next 7 days
Waves build over the next few days. The biggest waves arrive on Tuesday 3: 2.4 ft with a period of 4 s, from the north (slight).
Water temperature
Water temperature →Water temperature changes how fish behave: in very cold or very warm water they feed less. The water cools over the next few days: about 71.3 °F by Wednesday 4.
Water warmer than normal for late October (+2.1 °F).
Satellite: NASA MUR (JPL MUR MEaSUREs, PO.DAAC), doi:10.5067/GHGMR-4FJ04. Sources and licenses
Water temperature →Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 6:50 am (local time).
Diving in Karatsu today
Diving and snorkeling today
Likely visibility: good- Slack water around high tide (11:44 am): little current from 11:20 am to 12:00 pm
- 0.6 ft swell at 6 s from the north-northeast: barely any surge
- Almost no wind
- 0.0 mph current toward the east, weak (model)
- Sun high: more light underwater
- Slack water today: low tide 5:03 am (4:40–5:20 am), high tide 11:44 am (11:20 am–12:00 pm), low tide 4:55 pm (4:30–5:20 pm) and high tide 11:13 pm (10:50–11:40 pm)
- Likely visibility: good. The sea has been calm and there's been little rain. Based on the last 24 hours of data.
- Water at 72.5 °F: a 3 mm wetsuit.
- Snorkeling: good, calm sea and light wind.
- Night dive: dark from 5:57 pm. Waning gibbous (88%), rising at 7:47 pm: a bright night.
Your diving day at a glance
The best window, 10:50 am to 12:40 pm, combines slack water at high tide, little swell, light wind, weak current and the sun high. Also good from 4:10 pm to 5:30 pm, with slack water at low tide, little swell, light wind and weak current.
Slack water comes from the tide: in inlets, channels and between islands the water can keep running for an hour or two after. Ask the local dive shop.
Never dive alone and check with the local dive shop: this rating is a guide, not a substitute for a professional.
Dive sites, wrecks and dive shops nearby
Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors
Within 12 mi. Some may be missing or closed; marine reserves usually need a permit. Open the map on OpenStreetMap · Missing one? Add it to OpenStreetMap
Sites: © OpenStreetMap contributors (ODbL).
Weather in Karatsu
Now in Karatsu
- Low / high
- 49 / 68 °F
- Rain
- 0.14 in · 76%
- Clouds
- 80%
- Humidity
- 80%
- Dew pointDew point
- 46 °F
- Visibility
- 15 mi
- UV indexUV
- 0 · low
- Air qualityAir
- Fair · 34
- Saharan dust
- No
Pressure and fishing
- ↗ RisingRising Anglers say fish bite less for a while
- → SteadySteady · now Anglers expect normal activity
- ↘ FallingFalling Anglers say fish feed more before the change
Steady now (+0.01 inHg in 3 hours). Over the next 48 hours: −0.08 inHg. Steady pressure: anglers expect normal activity. Fast changes, either way, tend to affect fishing.
Today, hour by hourHour by hour
Bars: mean wind. Dashed line: gusts. Arrows point where the wind blows to.
| Time | 12:00 am | 3:00 am | 6:00 am | 9:00 am | 12:00 pm | 3:00 pm | 6:00 pm | 9:00 pm |
|---|---|---|---|---|---|---|---|---|
| Sky | Clear | Clear | Overcast | Mainly clear | Light drizzle | Light drizzle | Overcast | Light drizzle |
| Temperature | 51° | 50° | 49° | 61° | 67° | 67° | 62° | 61° |
| Wind (mph) | 0 ESE | 1 SSE | 2 SSE | 3 E | 3 SSW | 3 SSE | 2 ESE | 2 ESE |
| Gusts | 2 | 3 | 4 | 9 | 10 | 13 | 6 | 6 |
| Waves | 1.2 ft | 1.1 ft | 0.9 ft | 0.9 ft | 0.7 ft | 0.7 ft | 0.6 ft | 0.5 ft |
| Rain | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.02 in | 0.00 in | 0.01 in |
- 6:00 am 49° 2 SSE 0.9 ft
- 9:00 am 61° 3 E 0.9 ft
- 12:00 pm 67° 3 SSW 0.7 ft
- 3:00 pm 67° 3 SSE 0.7 ft
- 6:00 pm 62° 2 ESE 0.6 ft
- 9:00 pm 61° 2 ESE 0.5 ft
- 12:00 am 62° 2 S 0.5 ft
- 3:00 am 62° 2 S 0.7 ft
Next 14 daysComing days
| Day | Sky | Low / high | Max wind | Max wave | High tides |
|---|---|---|---|---|---|
| Today · 29 | 49 / 68 °F | 3 mph SE | 1.2 ft | 11:44 am · 11:13 pm | |
| Fri 30 | 57 / 71 °F | 10 mph W | 1.6 ft | 12:36 pm · 11:59 pm | |
| Sat 31 | 52 / 71 °F | 11 mph WNW | 1.7 ft | 1:37 pm | |
| Sun 1 | 49 / 70 °F | 8 mph SE | 1.0 ft | 1:01 am · 2:57 pm | |
| Mon 2 | 59 / 73 °F | 13 mph WNW | 2.0 ft | 2:35 am · 4:32 pm | |
| Tue 3 | 55 / 67 °F | 9 mph N | 2.4 ft | 4:19 am · 5:44 pm | |
| Wed 4 | 55 / 60 °F | 3 mph ENE | 1.9 ft | 5:41 am · 6:31 pm | |
| Thu 5 | 58 / 71 °F | 8 mph NNW | 1.5 ft | 6:45 am · 7:08 pm | |
| Fri 6 | 49 / 62 °F | 13 mph NNW | 1.6 ft | 7:38 am · 7:40 pm | |
| Sat 7 | 48 / 61 °F | 7 mph ENE | 3.2 ft | 8:24 am · 8:10 pm | |
| Sun 8 | 53 / 66 °F | 11 mph NNW | 3.7 ft | 9:05 am · 8:39 pm | |
| Mon 9 | 47 / 58 °F | 10 mph NNW | 5.0 ft | 9:43 am · 9:08 pm | |
| Tue 10 | 45 / 60 °F | 9 mph NW | 3.5 ft | 10:19 am · 9:36 pm | |
| Wed 11 | 44 / 64 °F | 3 mph WSW | 2.3 ft | 10:54 am · 10:04 pm |
- Fri 30 Rain 57° / 71° 1.6 ft
- Sat 31 Mainly clear 52° / 71° 1.7 ft
- Sun 1 Overcast 49° / 70° 1.0 ft
- Mon 2 Rain 59° / 73° 2.0 ft
- Tue 3 Overcast 55° / 67° 2.4 ft
- Wed 4 Light drizzle 55° / 60° 1.9 ft
- Thu 5 Overcast 58° / 71° 1.5 ft
Each day comes from the best model covering this spot: regional ones first (HRRR and NBM in the U.S., AROME, ICON-EU), then ECMWF; day 16, NOAA GFS. Waves: Météo-France up to day 10, then ECMWF WAM, coarser and further offshore. High tides: our own tide calculation.
- The models Partly agree · medium confidence: unsure about rain today. See the models →
- Outlook Next few weeks, compared with normal: a bit warmer, normal rain and a slightly warmer sea. See the outlook →
- Normal Today, normal highs for late October (68 °F). Climate by month →
Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 6:50 am (local time).
The sun in Karatsu
Sunrise and sunset
- First light 5:41 am
- Full dark 6:26 pm
- Civil dawn 6:10 am
- Civil dusk 5:57 pm
- Solar noon 12:04 pm (43° high)
- Daylight 10 h 56 min (−2 min)
- Evening golden hour 4:57 pm
- Full dark 6:26 pm
Golden hour and the day-night map
Today the sun is 92,344,294 mi away and looks 32′ 11″ across.
The moon in Karatsu
Moon phase and position
Today the moon is 226,480 mi away and looks 32′ 46″ across.
Solunar periods
Today's activity: medium- 1:22–3:22 am Major · the moon passes overhead · high activity
- 1:54–3:54 pm Major · the moon passes underfoot · high activity
- 9:31–10:31 am Minor · moonset · medium activity
- 7:17–8:17 pm Minor · moonrise · medium activity
According to solunar theory, fish feed more when the moon passes overhead or underfoot (major periods, about 2 h) and when it rises or sets (minor periods, 1 h). It works best around new and full moon.
Upcoming moon phases
2026 moon calendar →- Last quarter Mon, Nov 2 · 5:29 amNov 2 in 4 days
- New moon Mon, Nov 9 · 4:03 pmNov 9 in 11 days
- First quarter Tue, Nov 17 · 8:48 pmNov 17 in 19 days
- Full moon Tue, Nov 24 · 11:54 pmNov 24 in 26 days
Perigee on October 29, 226,426 mi away, coinciding with the spring tides from October 27 to 29: they will be stronger than usual.
Where to fish in Karatsu
Piers, ramps and tackle shops nearby
Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors
- Jetty 1.1 mi
- Jetty 1.1 mi
- Jetty 1.4 mi
- Jetty 1.8 mi
- Jetty 1.8 mi
- Boat ramp 6.5 mi
- Boat ramp 8.2 mi
- Boat ramp 9.1 mi
- Saga Prefecture Yacht Harbor 1.3 mi
- Marina 1.5 mi
- Karatsu Port 2.2 mi
- TSURIBITO KARATSU 1.1 mi
Within 9.3 mi. A spot may be missing or closed. Open the map on OpenStreetMap · Missing one? Add it to OpenStreetMap
Spots: © OpenStreetMap contributors (ODbL) and Overture Maps.
Tides near KaratsuTides nearby
- Moroura6.0 mi
- Imari13 mi
- Itoshima14 mi
- Maebaru16 mi
- Matsuura17 mi
- Furukawamen23 mi
- Sasebo24 mi
- Saga24 mi
- Kashima24 mi
- Marizon24 mi
Karatsu at a glance
- Town or city of about 117,663 people. Coordinates: 33.443° N, 129.970° E.
- The nearest tide station, Karatsu, is 1.8 mi to the north.
- Its coast faces north.
- Beaches and harbors nearby: Higashi-kō (1.2 mi), Karatu Kō (2.9 mi), Western Harbor (3.0 mi).
Questions about KaratsuQuestions
What time is high tide today in Karatsu?
Today in Karatsu there are high tides at 11:44 am (6.2 ft) and 11:13 pm (6.7 ft) and low tides at 5:03 am and 4:55 pm. Tide coefficient 91.
What time is sunset today in Karatsu?
At 5:32 pm. There is light until the end of civil twilight, at 5:57 pm.
What time is sunrise tomorrow in Karatsu?
At 6:37 am. First light comes at 5:42 am.
What phase is the moon today?
Waning gibbous, 88% illuminated. New moon on Mon, Nov 9 · 4:03 pm.
When are the next spring tides?
From October 27 to 29, together with the lunar perigee: they will be stronger than usual.
What are today's solunar periods?
Major 1:22–3:22 am, Minor 9:31–10:31 am, Major 1:54–3:54 pm, Minor 7:17–8:17 pm. Today's activity is medium.
What's the weather like today in Karatsu?
Drizzle, from 49 °F to 68 °F, with a light air from the southeast (2 mph) and a 76% chance of rain.
How is the sea today in Karatsu?
Smooth (Douglas 2): 0.9 ft waves with a period of 6.9 s from the north-northeast. The water is 72.5 °F.
When is the best time to visit Karatsu?
The best time to visit Karatsu is in October and in May: highs of 73 °F, about 8 rainy days a month and 5 hours of sunshine a day.
Can I use this data for navigation?
No. These are predictions for fishing and leisure; for navigation, use the official publications.
Where this data comes from
Tide: Karatsu station, with constants from TICON-4 (Hart-Davis, Dettmering and Seitz, 2025, SEANOE), licensed CC BY 4.0, via Slackwater database (changes). Sun and moon: our own calculation with astronomy-engine. Places: GeoNames (CC BY 4.0). Coastline: © OpenStreetMap contributors (ODbL).