Gongguan Fishing Port Taitung · Class II · forecast point Lvdaoxiang_beifang Coastal 4.1 km
綠島蘭嶼海面 · coastal forecast 09/18 09:31 updated
moderate
Northerly 5 Bf · Wave 1.4 m · Marine forecast: gusts Bf 7
Near gale · 13.9–17.1 m/s (50–62 km/h) · open sea: sea heaps up ~4 m, foam in streaks
Rule of thumb: Beaufort force 6+ or waves 2 m+ is generally unsuitable for small craft; force 4 or below with waves under 1 m counts as calm.
Northerly 5 Bf · Wave 1.4 m · Marine forecast: gusts Bf 7
Near gale · 13.9–17.1 m/s (50–62 km/h) · open sea: sea heaps up ~4 m, foam in streaks
Rule of thumb: Beaufort force 6+ or waves 2 m+ is generally unsuitable for small craft; force 4 or below with waves under 1 m counts as calm.
Wave1.4mNE 6.9s
Wind5BfNortherly 8.2m/s
Fresh breeze · 8.0–10.7 m/s (29–39 km/h)
Fresh breeze · 8.0–10.7 m/s (29–39 km/h)
Current0.5m/sNE 1 kt
Tide nowRising 7.8/10Level 125 cm · next High 11:00
🌊 Rise and fall times today
When the tide is running the middle 40% of each rise or fall (3–7 tenths) — strongest flow; slack water around high and low
12:20–14:06 Falling · 17:25–20:02 Rising · 00:24–03:34 Falling · 08:04–10:53 Rising
| Rising ← | 04:24 → 11:00 | 6.6 h | 84.0 → 131.0 cm |
| Falling | 11:00 → 15:27 | 4.5 h | 131.0 → 111.0 cm |
| Rising | 15:27 → 22:01 | 6.6 h | 111.0 → 162.0 cm |
| Falling | 22:01 → 05:58 | 8.0 h | 162.0 → 91.0 cm |
12:20–14:06 Falling · 17:25–20:02 Rising · 00:24–03:34 Falling · 08:04–10:53 Rising
Little change in the next 12 h
⚠ Wind against current wind from Northerly · current toward NE (0.5 m/s) · angle 135°
浪會變陡變短、容易破碎 — 同樣的浪高會比數字難走
浪會變陡變短、容易破碎 — 同樣的浪高會比數字難走
Nearest buoy 臺東資料浮標 (36.6 km) measured: Wave 1.0 m ENE · 08:00
This buoy, last 30 days: forecast averaged 0.1 m lower than measured (n=701)
Water colour estimate: blue (uncalibrated)
Next 48 h (3-hourly)
| Time | Weather | Wave | Wind | Current |
|---|---|---|---|---|
| 09/18 09:00 | Clear | 1.4m NE | Northerly 5 Bf (8.2m/s) | 0.5m/s NE |
| 09/18 12:00 | Clear | 1.5m NE | Northeasterly 5 Bf (8.7m/s) | 0.2m/s NE |
| 09/18 15:00 | Clear | 1.4m NE | Northeasterly 4 Bf (7.7m/s) | 0.1m/s NE |
| 09/18 18:00 | Clear | 1.4m NE | Northeasterly 5 Bf (8.2m/s) | 0.1m/s NW |
| 09/18 21:00 | Cloudy | 1.5m NE | Northeasterly 5 Bf (9.3m/s) | 0.2m/s NW |
| 09/19 00:00 | Cloudy | 1.5m NE | Northeasterly 5 Bf (8.7m/s) | 0.1m/s NW |
| 09/19 03:00 | Clear | 1.5m NE | Northerly 5 Bf (8.2m/s) | 0.2m/s NE |
| 09/19 06:00 | Clear | 1.4m NE | Northerly 4 Bf (7.7m/s) | 0.5m/s NE |
| 09/19 09:00 | Clear | 1.4m NE | Northeasterly 4 Bf (7.7m/s) | 0.5m/s NE |
| 09/19 12:00 | Clear | 1.3m NE | Northeasterly 4 Bf (6.7m/s) | 0.2m/s NE |
| 09/19 15:00 | Clear | 1.3m NE | Northeasterly 4 Bf (7.2m/s) | 0.1m/s NW |
| 09/19 18:00 | Clear | 1.4m NE | Northeasterly 5 Bf (8.7m/s) | 0.1m/s NW |
| 09/19 21:00 | Cloudy | 1.4m NE | Northeasterly 5 Bf (8.7m/s) | 0.1m/s NW |
| 09/20 00:00 | Cloudy | 1.5m NE | Northerly 4 Bf (7.2m/s) | 0.1m/s N |
| 09/20 03:00 | Clear | 1.5m NE | Northerly 5 Bf (8.2m/s) | 0.1m/s NE |
| 09/20 06:00 | Clear | 1.4m NE | Northerly 4 Bf (6.2m/s) | 0.4m/s NE |
Tide today (漁港綠島)
| Time | Height | |
|---|---|---|
| 04:24 | 84.0 cm | |
| 11:00 | 131.0 cm | |
| 15:27 | 111.0 cm | |
| 22:01 | 162.0 cm |
Marine forecast (綠島蘭嶼海面)
- 09/18 06:00–00:00: 4–5 gust 7 · Wave Cloudy, Local Showers
- 09/19 00:00–00:00: 4–5 gust 7 · Wave Cloudy, Local Showers
- 09/20 00:00–00:00: 4–5 gust 7 · Wave Cloudy, Local Showers
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tidewx.com · Data: Central Weather Administration open data (coastal forecast · marine forecast · tides · buoys) · NAMR NODASS · page generated 09/18 09:31, refreshed every 5 min · forecasts are not measurements — check on site before going out · Sources