20 (土)	04:15	10:14	16:38	22:43
	87cm	36cm	98cm	44cm
中潮 出 06:13 入 16:58 出 19:41 入 06:43

コイセボイ（北海道）2049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	47.1	↑1.6
2/20 00:10	48.8	↑1.7
2/20 00:20	50.6	↑1.8
2/20 00:30	52.5	↑1.9
2/20 00:40	54.5	↑2.0
2/20 00:50	56.6	↑2.1
2/20 01:00	58.6	↑2.0
2/20 01:10	60.8	↑2.2
2/20 01:20	62.9	↑2.1
2/20 01:30	65.0	↑2.1
2/20 01:40	67.1	↑2.1
2/20 01:50	69.2	↑2.1
2/20 02:00	71.2	↑2.0
2/20 02:10	73.2	↑2.0
2/20 02:20	75.0	↑1.8
2/20 02:30	76.8	↑1.8
2/20 02:40	78.4	↑1.6
2/20 02:50	80.0	↑1.6
2/20 03:00	81.3	↑1.3
2/20 03:10	82.6	↑1.3
2/20 03:20	83.6	↑1.0
2/20 03:30	84.5	↑0.9
2/20 03:40	85.3	↑0.8
2/20 03:50	85.8	↑0.5
2/20 04:00	86.2	↑0.4
2/20 04:10	86.3	↑0.1	満潮
2/20 04:20	86.3	0
2/20 04:30	86.1	↓-0.2
2/20 04:40	85.7	↓-0.4
2/20 04:50	85.1	↓-0.6
2/20 05:00	84.3	↓-0.8
2/20 05:10	83.4	↓-0.9
2/20 05:20	82.2	↓-1.2
2/20 05:30	80.9	↓-1.3
2/20 05:40	79.5	↓-1.4
2/20 05:50	77.9	↓-1.6
2/20 06:00	76.2	↓-1.7
2/20 06:10	74.4	↓-1.8
2/20 06:20	72.4	↓-2.0
2/20 06:30	70.4	↓-2.0
2/20 06:40	68.3	↓-2.1
2/20 06:50	66.2	↓-2.1
2/20 07:00	64.0	↓-2.2
2/20 07:10	61.7	↓-2.3
2/20 07:20	59.5	↓-2.2
2/20 07:30	57.3	↓-2.2
2/20 07:40	55.1	↓-2.2
2/20 07:50	52.9	↓-2.2
2/20 08:00	50.8	↓-2.1
2/20 08:10	48.8	↓-2.0
2/20 08:20	46.9	↓-1.9
2/20 08:30	45.0	↓-1.9
2/20 08:40	43.3	↓-1.7
2/20 08:50	41.7	↓-1.6
2/20 09:00	40.3	↓-1.4
2/20 09:10	39.0	↓-1.3
2/20 09:20	37.9	↓-1.1
2/20 09:30	37.0	↓-0.9
2/20 09:40	36.2	↓-0.8
2/20 09:50	35.7	↓-0.5
2/20 10:00	35.3	↓-0.4
2/20 10:10	35.1	↓-0.2	干潮
2/20 10:20	35.2	↑0.1
2/20 10:30	35.4	↑0.2
2/20 10:40	35.9	↑0.5
2/20 10:50	36.5	↑0.6
2/20 11:00	37.3	↑0.8
2/20 11:10	38.4	↑1.1
2/20 11:20	39.6	↑1.2
2/20 11:30	41.0	↑1.4
2/20 11:40	42.6	↑1.6
2/20 11:50	44.3	↑1.7
2/20 12:00	46.2	↑1.9
2/20 12:10	48.2	↑2.0
2/20 12:20	50.3	↑2.1
2/20 12:30	52.5	↑2.2
2/20 12:40	54.9	↑2.4
2/20 12:50	57.3	↑2.4
2/20 13:00	59.8	↑2.5
2/20 13:10	62.3	↑2.5
2/20 13:20	64.8	↑2.5
2/20 13:30	67.4	↑2.6	最大潮位差
2/20 13:40	69.9	↑2.5
2/20 13:50	72.4	↑2.5
2/20 14:00	74.9	↑2.5
2/20 14:10	77.3	↑2.4
2/20 14:20	79.6	↑2.3
2/20 14:30	81.9	↑2.3
2/20 14:40	84.0	↑2.1
2/20 14:50	86.1	↑2.1
2/20 15:00	87.9	↑1.8
2/20 15:10	89.7	↑1.8
2/20 15:20	91.2	↑1.5
2/20 15:30	92.7	↑1.5
2/20 15:40	93.9	↑1.2
2/20 15:50	94.9	↑1.0
2/20 16:00	95.8	↑0.9
2/20 16:10	96.4	↑0.6
2/20 16:20	96.9	↑0.5
2/20 16:30	97.1	↑0.2	満潮
2/20 16:40	97.2	↑0.1
2/20 16:50	97.0	↓-0.2
2/20 17:00	96.6	↓-0.4
2/20 17:10	96.0	↓-0.6
2/20 17:20	95.3	↓-0.7
2/20 17:30	94.3	↓-1.0
2/20 17:40	93.2	↓-1.1
2/20 17:50	91.9	↓-1.3
2/20 18:00	90.4	↓-1.5
2/20 18:10	88.8	↓-1.6
2/20 18:20	87.0	↓-1.8
2/20 18:30	85.1	↓-1.9
2/20 18:40	83.2	↓-1.9
2/20 18:50	81.1	↓-2.1
2/20 19:00	78.9	↓-2.2
2/20 19:10	76.7	↓-2.2
2/20 19:20	74.4	↓-2.3
2/20 19:30	72.1	↓-2.3
2/20 19:40	69.8	↓-2.3
2/20 19:50	67.4	↓-2.4
2/20 20:00	65.1	↓-2.3
2/20 20:10	62.9	↓-2.2
2/20 20:20	60.7	↓-2.2
2/20 20:30	58.5	↓-2.2
2/20 20:40	56.5	↓-2.0
2/20 20:50	54.5	↓-2.0
2/20 21:00	52.7	↓-1.8
2/20 21:10	51.0	↓-1.7
2/20 21:20	49.4	↓-1.6
2/20 21:30	48.0	↓-1.4
2/20 21:40	46.7	↓-1.3
2/20 21:50	45.7	↓-1.0
2/20 22:00	44.8	↓-0.9
2/20 22:10	44.0	↓-0.8
2/20 22:20	43.5	↓-0.5
2/20 22:30	43.2	↓-0.3
2/20 22:40	43.0	↓-0.2	干潮
2/20 22:50	43.1	↑0.1
2/20 23:00	43.3	↑0.2
2/20 23:10	43.8	↑0.5
2/20 23:20	44.4	↑0.6
2/20 23:30	45.2	↑0.8
2/20 23:40	46.2	↑1.0
2/20 23:50	47.4	↑1.2