Kaiyuan Fishing Port Taitung · Class II · forecast point Lanyuxiang_beifang Coastal 7.9 km
綠島蘭嶼海面 · coastal forecast 09/18 09:42 updated
moderate
Northeasterly 4 Bf · Wave 1.6 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.
Northeasterly 4 Bf · Wave 1.6 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.
Wave1.6mNE 7.1s
Wind4BfNortheasterly 7.7m/s
Moderate breeze · 5.5–7.9 m/s (20–28 km/h)
Moderate breeze · 5.5–7.9 m/s (20–28 km/h)
Current0.3m/sSE 1 kt
Tide nowRising 8.6/10Level 115 cm · next High 10:32
🌊 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
11:59–13:55 Falling · 17:24–20:05 Rising · 00:28–03:38 Falling · 11:15–18:15 Rising
| Rising ← | 04:28 → 10:32 | 6.1 h | 79.0 → 117.0 cm |
| Falling | 10:32 → 15:23 | 4.8 h | 117.0 → 98.0 cm |
| Rising | 15:23 → 22:07 | 6.7 h | 98.0 → 151.0 cm |
| Falling | 22:07 → 06:00 | 7.9 h | 151.0 → 87.0 cm |
11:59–13:55 Falling · 17:24–20:05 Rising · 00:28–03:38 Falling · 11:15–18:15 Rising
Little change in the next 12 h
· Wind across current wind from Northeasterly · current toward SE (0.3 m/s) · angle 90°
浪向較亂
浪向較亂
Nearest buoy 蘭嶼資料浮標 (7.8 km) measured: Wave 1.4 m E · 09:00
This buoy, last 30 days: forecast averaged 0.27 m higher than measured (n=701)
Water colour estimate: blue (uncalibrated)
Next 48 h (3-hourly)
| Time | Weather | Wave | Wind | Current |
|---|---|---|---|---|
| 09/18 09:00 | Clear | 1.6m NE | Northeasterly 4 Bf (7.7m/s) | 0.3m/s SE |
| 09/18 12:00 | Clear | 1.5m NE | Northeasterly 4 Bf (7.7m/s) | 0.3m/s S |
| 09/18 15:00 | Cloudy | 1.5m NE | Northeasterly 4 Bf (7.2m/s) | 0.4m/s SW |
| 09/18 18:00 | Clear | 1.5m NE | Northeasterly 4 Bf (7.7m/s) | 0.5m/s W |
| 09/18 21:00 | Clear | 1.5m NE | Northeasterly 5 Bf (8.2m/s) | 0.5m/s W |
| 09/19 00:00 | Clear | 1.5m NE | Northeasterly 4 Bf (7.7m/s) | 0.2m/s NW |
| 09/19 03:00 | Clear | 1.6m NE | Northeasterly 4 Bf (7.7m/s) | 0.3m/s E |
| 09/19 06:00 | Clear | 1.6m NE | Northeasterly 4 Bf (7.7m/s) | 0.3m/s E |
| 09/19 09:00 | Clear | 1.5m NE | Northeasterly 4 Bf (7.2m/s) | 0.3m/s SE |
| 09/19 12:00 | Clear | 1.5m NE | Northeasterly 4 Bf (6.7m/s) | 0.3m/s S |
| 09/19 15:00 | Clear | 1.4m NE | Northeasterly 4 Bf (6.2m/s) | 0.4m/s SW |
| 09/19 18:00 | Clear | 1.4m NE | Northeasterly 4 Bf (7.7m/s) | 0.5m/s W |
| 09/19 21:00 | Clear | 1.5m NE | Northeasterly 5 Bf (8.2m/s) | 0.4m/s W |
| 09/20 00:00 | Cloudy | 1.5m NE | Northeasterly 5 Bf (8.2m/s) | 0.2m/s NW |
| 09/20 03:00 | Clear | 1.6m NE | Northeasterly 5 Bf (8.2m/s) | 0.2m/s E |
| 09/20 06:00 | Brief Showers | 1.6m NE | Northeasterly 4 Bf (7.2m/s) | 0.3m/s E |
Tide today (臺東縣蘭嶼鄉)
| Time | Height | |
|---|---|---|
| 04:28 | 79.0 cm | |
| 10:32 | 117.0 cm | |
| 15:23 | 98.0 cm | |
| 22:07 | 151.0 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 09:42, refreshed every 5 min · forecasts are not measurements — check on site before going out · Sources