21 (火)	10:08	19:17	-	-
	104cm	34cm	-	-
若潮 出 06:12 入 16:59 出 12:54 入 03:02

コイセボイ（北海道）2051年02月21日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
2/21 00:00	53.1	↑0.4
2/21 00:10	53.5	↑0.4
2/21 00:20	53.9	↑0.4
2/21 00:30	54.2	↑0.3
2/21 00:40	54.6	↑0.4
2/21 00:50	55.0	↑0.4
2/21 01:00	55.4	↑0.4
2/21 01:10	55.8	↑0.4
2/21 01:20	56.2	↑0.4
2/21 01:30	56.6	↑0.4
2/21 01:40	57.0	↑0.4
2/21 01:50	57.5	↑0.5
2/21 02:00	58.0	↑0.5
2/21 02:10	58.5	↑0.5
2/21 02:20	59.0	↑0.5
2/21 02:30	59.6	↑0.6
2/21 02:40	60.2	↑0.6
2/21 02:50	60.9	↑0.7
2/21 03:00	61.5	↑0.6
2/21 03:10	62.3	↑0.8
2/21 03:20	63.0	↑0.7
2/21 03:30	63.8	↑0.8
2/21 03:40	64.7	↑0.9
2/21 03:50	65.6	↑0.9
2/21 04:00	66.5	↑0.9
2/21 04:10	67.5	↑1.0
2/21 04:20	68.5	↑1.0
2/21 04:30	69.5	↑1.0
2/21 04:40	70.6	↑1.1
2/21 04:50	71.8	↑1.2
2/21 05:00	72.9	↑1.1
2/21 05:10	74.1	↑1.2
2/21 05:20	75.4	↑1.3
2/21 05:30	76.6	↑1.2
2/21 05:40	77.9	↑1.3
2/21 05:50	79.2	↑1.3
2/21 06:00	80.5	↑1.3
2/21 06:10	81.9	↑1.4
2/21 06:20	83.2	↑1.3
2/21 06:30	84.5	↑1.3
2/21 06:40	85.9	↑1.4
2/21 06:50	87.2	↑1.3
2/21 07:00	88.5	↑1.3
2/21 07:10	89.8	↑1.3
2/21 07:20	91.1	↑1.3
2/21 07:30	92.3	↑1.2
2/21 07:40	93.5	↑1.2
2/21 07:50	94.7	↑1.2
2/21 08:00	95.8	↑1.1
2/21 08:10	96.8	↑1.0
2/21 08:20	97.8	↑1.0
2/21 08:30	98.8	↑1.0
2/21 08:40	99.6	↑0.8
2/21 08:50	100.4	↑0.8
2/21 09:00	101.1	↑0.7
2/21 09:10	101.7	↑0.6
2/21 09:20	102.3	↑0.6
2/21 09:30	102.7	↑0.4
2/21 09:40	103.0	↑0.3
2/21 09:50	103.3	↑0.3
2/21 10:00	103.4	↑0.1	満潮
2/21 10:10	103.4	0
2/21 10:20	103.3	↓-0.1
2/21 10:30	103.1	↓-0.2
2/21 10:40	102.8	↓-0.3
2/21 10:50	102.4	↓-0.4
2/21 11:00	101.9	↓-0.5
2/21 11:10	101.2	↓-0.7
2/21 11:20	100.5	↓-0.7
2/21 11:30	99.6	↓-0.9
2/21 11:40	98.7	↓-0.9
2/21 11:50	97.6	↓-1.1
2/21 12:00	96.4	↓-1.2
2/21 12:10	95.1	↓-1.3
2/21 12:20	93.8	↓-1.3
2/21 12:30	92.3	↓-1.5
2/21 12:40	90.8	↓-1.5
2/21 12:50	89.1	↓-1.7
2/21 13:00	87.4	↓-1.7
2/21 13:10	85.7	↓-1.7
2/21 13:20	83.8	↓-1.9
2/21 13:30	81.9	↓-1.9
2/21 13:40	80.0	↓-1.9
2/21 13:50	78.0	↓-2.0
2/21 14:00	76.0	↓-2.0
2/21 14:10	74.0	↓-2.0
2/21 14:20	71.9	↓-2.1	最大潮位差
2/21 14:30	69.8	↓-2.1	最大潮位差
2/21 14:40	67.7	↓-2.1	最大潮位差
2/21 14:50	65.7	↓-2.0
2/21 15:00	63.6	↓-2.1	最大潮位差
2/21 15:10	61.6	↓-2.0
2/21 15:20	59.5	↓-2.1	最大潮位差
2/21 15:30	57.6	↓-1.9
2/21 15:40	55.6	↓-2.0
2/21 15:50	53.7	↓-1.9
2/21 16:00	51.9	↓-1.8
2/21 16:10	50.1	↓-1.8
2/21 16:20	48.4	↓-1.7
2/21 16:30	46.7	↓-1.7
2/21 16:40	45.2	↓-1.5
2/21 16:50	43.7	↓-1.5
2/21 17:00	42.3	↓-1.4
2/21 17:10	41.0	↓-1.3
2/21 17:20	39.8	↓-1.2
2/21 17:30	38.6	↓-1.2
2/21 17:40	37.6	↓-1.0
2/21 17:50	36.7	↓-0.9
2/21 18:00	35.9	↓-0.8
2/21 18:10	35.2	↓-0.7
2/21 18:20	34.6	↓-0.6
2/21 18:30	34.1	↓-0.5
2/21 18:40	33.7	↓-0.4
2/21 18:50	33.4	↓-0.3
2/21 19:00	33.2	↓-0.2
2/21 19:10	33.1	↓-0.1	干潮
2/21 19:20	33.0	↓-0.1
2/21 19:30	33.1	↑0.1
2/21 19:40	33.3	↑0.2
2/21 19:50	33.6	↑0.3
2/21 20:00	33.9	↑0.3
2/21 20:10	34.3	↑0.4
2/21 20:20	34.8	↑0.5
2/21 20:30	35.3	↑0.5
2/21 20:40	35.9	↑0.6
2/21 20:50	36.6	↑0.7
2/21 21:00	37.3	↑0.7
2/21 21:10	38.1	↑0.8
2/21 21:20	38.9	↑0.8
2/21 21:30	39.7	↑0.8
2/21 21:40	40.5	↑0.8
2/21 21:50	41.4	↑0.9
2/21 22:00	42.3	↑0.9
2/21 22:10	43.2	↑0.9
2/21 22:20	44.1	↑0.9
2/21 22:30	45.0	↑0.9
2/21 22:40	45.9	↑0.9
2/21 22:50	46.8	↑0.9
2/21 23:00	47.7	↑0.9
2/21 23:10	48.5	↑0.8
2/21 23:20	49.4	↑0.9
2/21 23:30	50.2	↑0.8
2/21 23:40	51.0	↑0.8
2/21 23:50	51.7	↑0.7