20 (金)	03:23	05:17	12:54	20:50
	64cm	63cm	110cm	26cm
中潮 出 06:13 入 16:58 出 14:34 入 04:22

コイセボイ（北海道）2054年02月20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
2/20 00:00	50.2	↑1.3
2/20 00:10	51.4	↑1.2
2/20 00:20	52.7	↑1.3
2/20 00:30	53.8	↑1.1
2/20 00:40	54.9	↑1.1
2/20 00:50	56.0	↑1.1
2/20 01:00	57.0	↑1.0
2/20 01:10	57.9	↑0.9
2/20 01:20	58.7	↑0.8
2/20 01:30	59.5	↑0.8
2/20 01:40	60.2	↑0.7
2/20 01:50	60.8	↑0.6
2/20 02:00	61.4	↑0.6
2/20 02:10	61.8	↑0.4
2/20 02:20	62.2	↑0.4
2/20 02:30	62.5	↑0.3
2/20 02:40	62.8	↑0.3
2/20 02:50	63.0	↑0.2
2/20 03:00	63.1	↑0.1
2/20 03:10	63.2	↑0.1
2/20 03:20	63.2	0	満潮
2/20 03:30	63.2	0
2/20 03:40	63.2	0
2/20 03:50	63.1	↓-0.1
2/20 04:00	63.0	↓-0.1
2/20 04:10	62.9	↓-0.1
2/20 04:20	62.7	↓-0.2
2/20 04:30	62.6	↓-0.1
2/20 04:40	62.5	↓-0.1
2/20 04:50	62.4	↓-0.1
2/20 05:00	62.3	↓-0.1
2/20 05:10	62.3	0	干潮
2/20 05:20	62.3	0
2/20 05:30	62.3	0
2/20 05:40	62.4	↑0.1
2/20 05:50	62.6	↑0.2
2/20 06:00	62.8	↑0.2
2/20 06:10	63.1	↑0.3
2/20 06:20	63.4	↑0.3
2/20 06:30	63.9	↑0.5
2/20 06:40	64.4	↑0.5
2/20 06:50	65.0	↑0.6
2/20 07:00	65.7	↑0.7
2/20 07:10	66.5	↑0.8
2/20 07:20	67.4	↑0.9
2/20 07:30	68.3	↑0.9
2/20 07:40	69.4	↑1.1
2/20 07:50	70.5	↑1.1
2/20 08:00	71.7	↑1.2
2/20 08:10	73.0	↑1.3
2/20 08:20	74.4	↑1.4
2/20 08:30	75.8	↑1.4
2/20 08:40	77.4	↑1.6
2/20 08:50	78.9	↑1.5
2/20 09:00	80.5	↑1.6
2/20 09:10	82.2	↑1.7
2/20 09:20	83.9	↑1.7
2/20 09:30	85.6	↑1.7
2/20 09:40	87.4	↑1.8
2/20 09:50	89.1	↑1.7
2/20 10:00	90.9	↑1.8
2/20 10:10	92.6	↑1.7
2/20 10:20	94.3	↑1.7
2/20 10:30	96.0	↑1.7
2/20 10:40	97.6	↑1.6
2/20 10:50	99.2	↑1.6
2/20 11:00	100.7	↑1.5
2/20 11:10	102.1	↑1.4
2/20 11:20	103.4	↑1.3
2/20 11:30	104.6	↑1.2
2/20 11:40	105.8	↑1.2
2/20 11:50	106.8	↑1.0
2/20 12:00	107.6	↑0.8
2/20 12:10	108.4	↑0.8
2/20 12:20	109.0	↑0.6
2/20 12:30	109.4	↑0.4
2/20 12:40	109.7	↑0.3
2/20 12:50	109.8	↑0.1	満潮
2/20 13:00	109.8	0
2/20 13:10	109.6	↓-0.2
2/20 13:20	109.2	↓-0.4
2/20 13:30	108.7	↓-0.5
2/20 13:40	108.0	↓-0.7
2/20 13:50	107.1	↓-0.9
2/20 14:00	106.0	↓-1.1
2/20 14:10	104.8	↓-1.2
2/20 14:20	103.4	↓-1.4
2/20 14:30	101.9	↓-1.5
2/20 14:40	100.1	↓-1.8
2/20 14:50	98.3	↓-1.8
2/20 15:00	96.3	↓-2.0
2/20 15:10	94.2	↓-2.1
2/20 15:20	91.9	↓-2.3
2/20 15:30	89.5	↓-2.4
2/20 15:40	87.1	↓-2.4
2/20 15:50	84.5	↓-2.6
2/20 16:00	81.9	↓-2.6
2/20 16:10	79.2	↓-2.7
2/20 16:20	76.4	↓-2.8
2/20 16:30	73.6	↓-2.8
2/20 16:40	70.8	↓-2.8
2/20 16:50	67.9	↓-2.9	最大潮位差
2/20 17:00	65.0	↓-2.9	最大潮位差
2/20 17:10	62.2	↓-2.8
2/20 17:20	59.4	↓-2.8
2/20 17:30	56.6	↓-2.8
2/20 17:40	53.9	↓-2.7
2/20 17:50	51.2	↓-2.7
2/20 18:00	48.6	↓-2.6
2/20 18:10	46.1	↓-2.5
2/20 18:20	43.7	↓-2.4
2/20 18:30	41.5	↓-2.2
2/20 18:40	39.3	↓-2.2
2/20 18:50	37.3	↓-2.0
2/20 19:00	35.4	↓-1.9
2/20 19:10	33.6	↓-1.8
2/20 19:20	32.0	↓-1.6
2/20 19:30	30.6	↓-1.4
2/20 19:40	29.3	↓-1.3
2/20 19:50	28.2	↓-1.1
2/20 20:00	27.3	↓-0.9
2/20 20:10	26.5	↓-0.8
2/20 20:20	26.0	↓-0.5
2/20 20:30	25.5	↓-0.5
2/20 20:40	25.3	↓-0.2	干潮
2/20 20:50	25.2	↓-0.1	干潮
2/20 21:00	25.3	↑0.1
2/20 21:10	25.6	↑0.3
2/20 21:20	26.0	↑0.4
2/20 21:30	26.6	↑0.6
2/20 21:40	27.3	↑0.7
2/20 21:50	28.1	↑0.8
2/20 22:00	29.1	↑1.0
2/20 22:10	30.2	↑1.1
2/20 22:20	31.4	↑1.2
2/20 22:30	32.6	↑1.2
2/20 22:40	34.0	↑1.4
2/20 22:50	35.5	↑1.5
2/20 23:00	37.0	↑1.5
2/20 23:10	38.5	↑1.5
2/20 23:20	40.1	↑1.6
2/20 23:30	41.8	↑1.7
2/20 23:40	43.4	↑1.6
2/20 23:50	45.0	↑1.6