TidePlanet

Today in Shirahama there are high tides at 10:31 am (5.0 ft) and 9:19 pm (5.4 ft) and low tides at 3:35 am and 3:32 pm. Tide coefficient 74. Right now the tide is rising toward the high tide at 10:31 am. The sun rises at 6:50 am and sets at 6:08 pm: 11 h 18 min of daylight. The moon is 88% illuminated (waning gibbous) and rises at 8:40 pm. Major solunar periods run from 1:48 am to 3:48 am and from 2:20 pm to 4:20 pm. The next spring tides arrive from October 27 to 29. The sea is slight, with 4.0 ft waves. There's a gentle breeze from the northeast (9 mph). Clear sky, 77 °F.

Fishing

Fishing in Shirahama today

Fishing forecast, 7 days →

Best time to fish

Solunar activity today: medium
6
Average day · 6 out of 10 2:30–4:20 pm Also 2:40–3:50 am and 9:30–10:30 am
  • Low tide at 3:32 pm
  • Major period 2:20–4:20 pm
  • Steady pressure (30.06 inHg), light cross-shore wind (5 mph) and some swell (3.3 ft waves) to stir the water
  • Waning gibbous: a bit more activity than at the quarters
  • Highest tide coefficient today: 74 (average tides)

Your day at a glance

The best window, 2:30 pm to 4:20 pm, combines the 3:32 pm low tide, a major period and some swell. Also good from 2:40 am to 3:50 am, with the 3:35 am low tide, a major period and some swell. Also good from 9:30 am to 10:30 am, with the 10:31 am high tide, moonset and some swell.

Species with the most records nearby: mangrove red snapper, striped mullet, bluefin trevally and great barracuda. What you can catch

How it works · Next 7 days · Fishing rules

Beach

Beach day in Shirahama

Beach forecast, 7 days →

Is it a beach day?

7 good hours
8
Good beach day · 8 out of 10 1:00–6:00 pm
  • Feels like 83 °F: beach weather
  • Cross-shore breeze (7 mph)
  • Calm for swimming: 3.5 ft waves
  • UV 7 (high): SPF 50 sunscreen
  • Water at 82 °F (warm)
  • Low tide at 3:32 pm: more sand

Today, hour by hour

  • Swimming Calm · 3.5 ft

    3.5 ft waves: calm for swimming. Low rip current risk. Always follow the lifeguard's flags.

  • Water 82 °F

    Warm: very pleasant.

  • Sun & sunscreen UV 7 · SPF 50

    Max UV 7 (high): SPF 50 sunscreen, reapplied every 2 hours.

  • Wind 9 mph

    Offshore breeze (9 mph). Watch floats and inflatables: offshore wind carries them out to sea.

  • Tide & sand 3:32 pm

    Low tide at 3:35 am and 3:32 pm: that's when there's the most sand. High tide at 10:31 am and 9:19 pm.

The best window, 1:00 pm to 6:00 pm, brings beach weather, little wind, a calm sea, water at 82 °F and low tide at 3:32 pm, though with clouds.

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 Shirahama

Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors

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).

Tides

Tides in Shirahama

Tides for 7 days →

Today's high and low tides

  • ▼ Low tide 3:35 am 0.3 ft
  • ▼ Low tide 3:32 pm 3.1 ft
  • ▲ High tide 9:19 pm 5.4 ft · coef. 68

↑ Rising The tide is rising. 2 h 38 min to high tide at 10:31 am.

Tide coefficient 74 for the 10:31 am high tide and 68 for the 9:19 pm high tide. Average coefficient. The water rises and falls 5.2 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 (6.7 ft) and the lowest, on January 4 (-0.7 ft).

Mixed: two high and two low tides a day, but of quite different heights.

Heights above chart datum (CD), the zero of that port's nautical charts. Astronomical prediction: wind and air pressure can raise or lower the water by a few inches, and more in a storm. Not for navigation. chart datum (CD)

Tide coefficient and range in October

The biggest tides of the month came from October 10 to 12 (coefficient 103, 5.5 ft range). The smallest, from October 3 to 4 (coefficient 32, 2.5 ft).

Tide and solunar table · this week

Day Sun Tide 1Tide 2Tide 3Tide 4 Coef. Moon Major periods Activity
Today, Thu 29 6:50 am · 6:08 pm Low tide 3:35 am · 0.3 ft High tide 10:31 am · 5.0 ft Low tide 3:32 pm · 3.1 ft High tide 9:19 pm · 5.4 ft Coef. 74 88% Major periods 1:48 am · 2:20 pm Medium
Fri 30 6:50 am · 6:07 pm Low tide 4:22 am · 0.5 ft High tide 11:30 am · 4.6 ft Low tide 4:11 pm · 3.4 ft High tide 9:54 pm · 5.2 ft Coef. 60 80% Major periods 2:53 am · 3:25 pm Medium
Sat 31 6:51 am · 6:06 pm Low tide 5:12 am · 0.9 ft High tide 12:34 pm · 4.4 ft Low tide 4:54 pm · 3.6 ft High tide 10:35 pm · 4.9 ft Coef. 47 69% Major periods 3:57 am · 4:27 pm Medium
Sun 1 6:51 am · 6:06 pm Low tide 6:06 am · 1.2 ft High tide 1:40 pm · 4.2 ft Low tide 5:54 pm · 3.6 ft High tide 11:32 pm · 4.6 ft Coef. 39 58% Major periods 4:57 am · 5:25 pm Medium
Mon 2 6:52 am · 6:05 pm Low tide 7:06 am · 1.5 ft High tide 2:36 pm · 4.2 ft Low tide 7:15 pm · 3.5 ft — Coef. 36 Last quarter Major periods 5:53 am · 6:19 pm Medium
Tue 3 6:53 am · 6:04 pm High tide 12:54 am · 4.5 ft Low tide 8:08 am · 1.6 ft High tide 3:17 pm · 4.3 ft Low tide 8:33 pm · 3.1 ft Coef. 40 36% Major periods 6:44 am · 7:08 pm Medium
Wed 4 6:53 am · 6:04 pm High tide 2:23 am · 4.5 ft Low tide 9:05 am · 1.7 ft High tide 3:51 pm · 4.5 ft Low tide 9:34 pm · 2.5 ft Coef. 49 26% Major periods 7:31 am · 7:53 pm Low

▲ high tide · ▼ low tide · heights above chart datum (CD). Major periods: start time; they last 2 hours. Activity: based on the moon phase and the solunar periods.

Where this tide comes from

A · Official station

Tides from the Iriomotejima station (JMA), 0.8 mi from Shirahama. Times and heights are its predictions.

Station data attribution: Source: Japan Meteorological Agency website (出典:気象庁ホームページ), tide table (潮位表) for Iriomotejima (西表), https://www.data.jma.go.jp/kaiyou/db/tide/suisan/suisan.php?stn=IJ. Public Data License (Version 1.0) (https://www.digital.go.jp/resources/open_data/public_data_license_v1.0), compatible with CC BY 4.0. Modified by TidePlanet (気象庁「潮位表」を加工して作成): harmonic constants fitted from the hourly prediction of 2025–2026; not an official JMA product.

How we calculate the tide

Sea and waves

The sea at Shirahama

7-day waves

Sea stateSea state: slight

Slight Douglas 3 · gentle breeze, Beaufort 3
Waves 4.0 ft · 7.1 s from the north-northeast (26°)
Swell 3.6 ft · 5.7 s from the north
Current 0.9 mph toward the NNE

The waves you may find

  • Most commonMost common2.0 ft
  • Significant4.0 ft
  • Highest expectedHighest8.2 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 8.2 ft. Before heading out, expect waves of up to 8.2 ft.

Wind on the coast and offshore

On the coast 9 mph NE · gusts 13

The model doesn't separate offshore wind here: it's the same as on the coast.

Cross-offshore wind. The coast faces northwest and the wind comes off the land at an angle: calmer water near the shore, and bait and boats drift out to sea.

Cross-offshore Hourly wind →

Wave height, next 7 daysWaves, next 7 days

Waves stay much the same all week. The biggest waves arrive on Tuesday 3: 5.5 ft with a period of 7 s, from the north-northeast (moderate).

Water temperature

Water temperature →
Water now81.3 °F
Today 81.3–81.5 °F air: 76 / 80 °F
Satellite (2 days ago) 81.3 °F measured 0.5 mi away

Water temperature changes how fish behave: in very cold or very warm water they feed less. The water is steady these days, with no sudden changes.

Water warmer than normal for late October (+0.9 °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 7:54 am (local time).

Surf

Surf in Shirahama today

Surf hour by hour and 7 days →

Surf today

Fair
4
Fair · 4 out of 10 8:00–11:00 am 2.2–3.3 ft Also 6:26–7:00 am and 12:00–4:00 pm
  • 2.2–3.3 ft surf at the shore, a fun size for most surfers
  • 3.5 ft swell at 6 s from the north, short: weak, messy waves
  • Light offshore wind (9 mph): it holds up and grooms the waves
  • Rising tide (high tide at 10:31 am)
Surf at the shore 2.2–3.3 ft average – sets
Swell 3.5 ft 6 s · N · 72 kJ
Wind 9 mph NE · offshore
Water and wetsuit 81.3 °F Boardshorts
  • Light: First light 6:26 am · sunrise 6:50 am · sunset 6:08 pm · last light 6:31 pm
  • Tide: low 3:35 am (0.3 ft), high 10:31 am (5.0 ft), low 3:32 pm (3.0 ft) and high 9:19 pm (5.4 ft). Every break has its own tide: some work at low tide and others at high tide. The tide doesn’t change the score here.
  • Water at 81.3 °F: boardshorts or a swimsuit and a rash guard.
  • Energy: 72 kJ · Low power

Today’s surf at a glance

The best window, 8:00 am to 11:00 am, has a good size and light offshore wind, though with a short-period swell. 6:26 am to 7:00 am can also work, with a good size, though with a short-period swell. 12:00 pm to 4:00 pm can also work, with a good size, though with a short-period swell.

An estimate for this stretch of coast, not for a specific break: every beach or reef works its own way (its tide, bottom and angle). Check it when you get there.

Follow the flags and the lifeguards, and don’t paddle out if the surf is above your level: this score is a guide, not a substitute for what you see when you get there.

How it’s calculated · Next 7 days

Diving

Diving in Shirahama today

Diving and snorkeling, 7 days →

Diving and snorkeling today

Likely visibility: fair
8
Good day · 8 out of 10 9:40 am–12:30 pm Also 2:20–4:20 pm
  • Slack water around high tide (10:31 am): little current from 10:00 am to 11:00 am
  • 3.3 ft swell at 6 s from the north: some surge on the bottom
  • Light cross-shore wind (6 mph)
  • 0.2 mph current toward the northeast, weak (model)
  • Sun high: more light underwater
Swell 3.3 ft 6 s · from the N
Likely visibility Fair Snorkeling: poor
Water and suit 81.3 °F Shorty or a rash guard
Current 0.2 mph toward the NE
  • Slack water today: low tide 3:35 am (3:10–4:00 am), high tide 10:31 am (10:00–11:00 am), low tide 3:32 pm (2:50–4:10 pm) and high tide 9:19 pm (8:40–9:50 pm)
  • Likely visibility: fair. Swell (up to 5.4 ft at 8 s) over the last few days has stirred up the water. Based on the last 24 hours of data.
  • Water at 81.3 °F: a shorty or a rash guard.
  • Snorkeling: better not, with these waves, wind or current.
  • Night dive: dark from 6:31 pm. Waning gibbous (88%), rising at 8:40 pm: a bright night.

Your diving day at a glance

The best window, 9:40 am to 12:30 pm, combines slack water at high tide, light wind, weak current and the sun high, though with some swell. Also worth a look from 2:20 pm to 4:20 pm, with slack water at low tide, light wind and the sun high, though with 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.

How it works · Next 7 days

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

Weather in Shirahama

14-day weather

Now in Shirahama

Now 77 °F Clear sky · feels like 78 °F · 76 / 80 °F
Low / high
76 / 80 °F
Rain
0.00 in · 8%
Clouds
13%
Humidity
66%
Dew pointDew point
65 °F
Visibility
15 mi
UV indexUV
1 · low
Air qualityAir
Fair · 38
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 (+0.02 inHg in 3 hours). It barely changes over the next 48 hours. 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 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Sky Mainly clearClearClearMainly clearOvercastOvercastClear skyMainly clear
Temperature 77°76°76°78°80°80°78°78°
Wind (mph) 11 ENE9 NE8 NE9 NE5 NE5 NE8 NNE5 NE
Gusts 15141213991210
Waves 5.1 ft4.7 ft4.3 ft3.9 ft3.6 ft3.3 ft3.1 ft2.9 ft
Rain 0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in
  • 9:00 am 78° 9 NE 3.9 ft
  • 12:00 pm 80° 5 NE 3.6 ft
  • 3:00 pm 80° 5 NE 3.3 ft
  • 6:00 pm 78° 8 NNE 3.1 ft
  • 9:00 pm 78° 5 NE 2.9 ft
  • 12:00 am 77° 7 NNE 2.8 ft
  • 3:00 am 77° 7 N 2.8 ft
  • 6:00 am 77° 10 N 3.0 ft

Next 14 daysComing days

Day Sky Low / high Max wind Max wave High tides
Today · 29 Overcast 76 / 80 °F 11 mph NE 5.1 ft 10:31 am · 9:19 pm
Fri 30 Light drizzle 76 / 78 °F 15 mph NNE 4.1 ft 11:30 am · 9:54 pm
Sat 31 Light drizzle 76 / 79 °F 15 mph NE 4.1 ft 12:34 pm · 10:35 pm
Sun 1 Overcast 76 / 80 °F 13 mph ESE 3.4 ft 1:40 pm · 11:32 pm
Mon 2 Light drizzle 76 / 80 °F 11 mph NE 3.7 ft 2:36 pm
Tue 3 Light drizzle 76 / 79 °F 14 mph NE 5.5 ft 12:54 am · 3:17 pm
Wed 4 Overcast 77 / 80 °F 11 mph NE 5.1 ft 2:23 am · 3:51 pm
Thu 5 Overcast 77 / 79 °F 10 mph NNE 4.8 ft 3:39 am · 4:24 pm
Fri 6 Light drizzle 76 / 78 °F 13 mph NE 3.9 ft 4:43 am · 5:00 pm
Sat 7 Mainly clear 78 / 80 °F 13 mph ESE 3.6 ft 5:39 am · 5:37 pm
Sun 8 Light drizzle 77 / 79 °F 8 mph E — 6:32 am · 6:15 pm
Mon 9 Drizzle 73 / 76 °F 22 mph NNE — 7:24 am · 6:55 pm
Tue 10 Light drizzle 73 / 75 °F 21 mph NE — 8:15 am · 7:34 pm
Wed 11 Overcast 73 / 77 °F 16 mph ENE — 9:07 am · 8:13 pm
  • Fri 30 Light drizzle 76° / 78° 4.1 ft
  • Sat 31 Light drizzle 76° / 79° 4.1 ft
  • Sun 1 Overcast 76° / 80° 3.4 ft
  • Mon 2 Light drizzle 76° / 80° 3.7 ft
  • Tue 3 Light drizzle 76° / 79° 5.5 ft
  • Wed 4 Overcast 77° / 80° 5.1 ft
  • Thu 5 Overcast 77° / 79° 4.8 ft
See all 14 days →

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 wind today. See the models →
  • Outlook Next few weeks, compared with normal: a bit warmer, a bit drier and a slightly warmer sea. See the outlook →
  • Normal Today, normal highs for late October (78 °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 7:54 am (local time).

Sun

The sun in Shirahama

Sunrise and sunset →

Sunrise and sunset

Rises 6:50 am in the ESE (104°)ESE
Sets 6:08 pm in the WSW (256°)WSW
  • First light 6:00 am
  • Full dark 6:58 pm
  • Civil dawn 6:26 am
  • Civil dusk 6:31 pm
  • Solar noon 12:29 pm (52° high)
  • Daylight 11 h 18 min (−1 min)
  • Evening golden hour 5:36 pm
  • Full dark 6:58 pm

Golden hour and the day-night map

Morning golden hour6:50–7:21 am
Evening golden hour5:36–6:08 pm
Shirahama

Today the sun is 92,343,874 mi away and looks 32′ 11″ across.

Moon and solunar

The moon in Shirahama

The moon for 7 days →

Moon phase and position

Waning gibbous · 88% 88% illuminated · 18.5 days old New moon on Mon, Nov 9 · 4:03 pm
Rises 8:40 pm in the ENE (59°)ENE
Sets 11:05 am tomorrow · in the WNW (301°) · set at 10:00 am
Transit 2:48 am overhead
Visible 14 h 26 min from 8:40 pm to 11:05 am

Today the moon is 226,480 mi away and looks 32′ 46″ across.

Solunar periods

Today's activity: medium
  • 1:48–3:48 am Major · the moon passes overhead · high activity
  • 2:20–4:20 pm Major · the moon passes underfoot · high activity
  • 9:30–10:30 am Minor · moonset · medium activity
  • 8:10–9:10 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.

Place

Where to fish in Shirahama

All places in Okinawa →

Piers, ramps and tackle shops nearby

Map: OpenFreeMap · © OpenMapTiles · © OpenStreetMap contributors

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.

Water depth

Gentle slope

The bottom slopes gently: 16 ft deep 0.5 mi from shore and 33 ft at 0.7 mi. It reaches 164 ft at 2.6 mi.

From the shoreline (1,300 ft from Shirahama) out to sea, heading northwest.

How far from shore

  • 16 ft deep0.5 mi
  • 33 ft deep0.7 mi
  • 66 ft deep1.7 mi
  • 164 ft deep2.6 mi

For fishing, swimming and diving

  • Shore fishing. Shallow, gradual bottom (16 ft at 0.5 mi): cast far from the beach and fish the high tide, when there is more water close in.
  • Swimming. A very gentle way in with plenty of shallow water, good for kids. At low tide the water can be far out.
  • Diving. Shallow near shore: you only reach 33 ft at 0.7 mi. For dives deeper than 33 ft, go by boat.

Rough estimate: here the data comes in cells of about 0.3 mi and misses details near shore (rocks, sandbars, small coves).

Source: NOAA ETOPO 2022 (CC0), cells of about 0.3 mi; depth below mean sea level. For reference only: not for navigation or anchoring.

Tides near ShirahamaTides nearby

All places in Okinawa, A to Z (356) →

Shirahama at a glance

  • Town or city of about 3,942 people. Coordinates: 24.361° N, 123.748° E.
  • It is 277 mi southwest of Naha, the main place in Okinawa. The sun rises 14 min later and sets 18 min later than in Naha.
  • The nearest tide station, Iriomotejima, is 0.8 mi to the south.
  • Its coast faces northwest.
  • Beaches and harbors nearby: Port Herbert (1.5 mi), Port Cockburn (1.7 mi), Sonai Kō (2.2 mi).

Questions about ShirahamaQuestions

What time is high tide today in Shirahama?

Today in Shirahama there are high tides at 10:31 am (5.0 ft) and 9:19 pm (5.4 ft) and low tides at 3:35 am and 3:32 pm. Tide coefficient 74.

What time is sunset today in Shirahama?

At 6:08 pm. There is light until the end of civil twilight, at 6:31 pm.

What time is sunrise tomorrow in Shirahama?

At 6:50 am. First light comes at 6:00 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 1:48–3:48 am, Minor 9:30–10:30 am, Major 2:20–4:20 pm, Minor 8:10–9:10 pm. Today's activity is medium.

What's the weather like today in Shirahama?

Overcast, from 76 °F to 80 °F, with a gentle breeze from the northeast (9 mph) and a 8% chance of rain.

How is the sea today in Shirahama?

Slight (Douglas 3): 4.0 ft waves with a period of 7.1 s from the north-northeast. The water is 81.3 °F.

When is the best time to visit Shirahama?

Any time of year is good for Shirahama: highs range from 69 °F to 87 °F through the year.

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: Iriomotejima point of the Japan Meteorological Agency (JMA) tide tables. 出典:気象庁ホームページ, under the Public Data License 1.0 (compatible with CC BY 4.0); constants fitted by TidePlanet from two years of its hourly predictions (気象庁「潮位表」を加工して作成). Not an official JMA publication. Sun and moon: our own calculation with astronomy-engine. Places: GeoNames (CC BY 4.0). Coastline: © OpenStreetMap contributors (ODbL).

Spotted a mistake? Tell us · How we calculate the tide

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