20 (月)	04:01	09:20	15:51	22:32
	78cm	43cm	108cm	35cm
大潮 出 06:14 入 16:58 出 06:40 入 18:33

コイセボイ（北海道）2034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	42.2	↑1.8
2/20 00:10	44.0	↑1.8
2/20 00:20	46.0	↑2.0
2/20 00:30	47.9	↑1.9
2/20 00:40	50.0	↑2.1
2/20 00:50	52.0	↑2.0
2/20 01:00	54.1	↑2.1
2/20 01:10	56.2	↑2.1
2/20 01:20	58.2	↑2.0
2/20 01:30	60.3	↑2.1
2/20 01:40	62.2	↑1.9
2/20 01:50	64.1	↑1.9
2/20 02:00	65.9	↑1.8
2/20 02:10	67.6	↑1.7
2/20 02:20	69.3	↑1.7
2/20 02:30	70.8	↑1.5
2/20 02:40	72.1	↑1.3
2/20 02:50	73.3	↑1.2
2/20 03:00	74.4	↑1.1
2/20 03:10	75.3	↑0.9
2/20 03:20	76.1	↑0.8
2/20 03:30	76.7	↑0.6
2/20 03:40	77.1	↑0.4
2/20 03:50	77.4	↑0.3
2/20 04:00	77.5	↑0.1	満潮
2/20 04:10	77.4	↓-0.1
2/20 04:20	77.1	↓-0.3
2/20 04:30	76.7	↓-0.4
2/20 04:40	76.1	↓-0.6
2/20 04:50	75.4	↓-0.7
2/20 05:00	74.5	↓-0.9
2/20 05:10	73.5	↓-1.0
2/20 05:20	72.4	↓-1.1
2/20 05:30	71.2	↓-1.2
2/20 05:40	69.8	↓-1.4
2/20 05:50	68.4	↓-1.4
2/20 06:00	66.8	↓-1.6
2/20 06:10	65.2	↓-1.6
2/20 06:20	63.6	↓-1.6
2/20 06:30	61.9	↓-1.7
2/20 06:40	60.3	↓-1.6
2/20 06:50	58.6	↓-1.7
2/20 07:00	56.9	↓-1.7
2/20 07:10	55.2	↓-1.7
2/20 07:20	53.6	↓-1.6
2/20 07:30	52.1	↓-1.5
2/20 07:40	50.6	↓-1.5
2/20 07:50	49.2	↓-1.4
2/20 08:00	48.0	↓-1.2
2/20 08:10	46.8	↓-1.2
2/20 08:20	45.8	↓-1.0
2/20 08:30	44.9	↓-0.9
2/20 08:40	44.1	↓-0.8
2/20 08:50	43.5	↓-0.6
2/20 09:00	43.1	↓-0.4
2/20 09:10	42.9	↓-0.2	干潮
2/20 09:20	42.8	↓-0.1	干潮
2/20 09:30	42.9	↑0.1
2/20 09:40	43.2	↑0.3
2/20 09:50	43.7	↑0.5
2/20 10:00	44.4	↑0.7
2/20 10:10	45.2	↑0.8
2/20 10:20	46.3	↑1.1
2/20 10:30	47.5	↑1.2
2/20 10:40	48.9	↑1.4
2/20 10:50	50.4	↑1.5
2/20 11:00	52.1	↑1.7
2/20 11:10	54.0	↑1.9
2/20 11:20	56.0	↑2.0
2/20 11:30	58.1	↑2.1
2/20 11:40	60.4	↑2.3
2/20 11:50	62.7	↑2.3
2/20 12:00	65.1	↑2.4
2/20 12:10	67.6	↑2.5
2/20 12:20	70.2	↑2.6
2/20 12:30	72.7	↑2.5
2/20 12:40	75.3	↑2.6
2/20 12:50	77.9	↑2.6
2/20 13:00	80.5	↑2.6
2/20 13:10	83.1	↑2.6
2/20 13:20	85.6	↑2.5
2/20 13:30	88.0	↑2.4
2/20 13:40	90.4	↑2.4
2/20 13:50	92.6	↑2.2
2/20 14:00	94.8	↑2.2
2/20 14:10	96.8	↑2.0
2/20 14:20	98.6	↑1.8
2/20 14:30	100.3	↑1.7
2/20 14:40	101.9	↑1.6
2/20 14:50	103.2	↑1.3
2/20 15:00	104.4	↑1.2
2/20 15:10	105.4	↑1.0
2/20 15:20	106.1	↑0.7
2/20 15:30	106.7	↑0.6
2/20 15:40	107.0	↑0.3
2/20 15:50	107.1	↑0.1	満潮
2/20 16:00	107.0	↓-0.1
2/20 16:10	106.7	↓-0.3
2/20 16:20	106.1	↓-0.6
2/20 16:30	105.3	↓-0.8
2/20 16:40	104.3	↓-1.0
2/20 16:50	103.1	↓-1.2
2/20 17:00	101.7	↓-1.4
2/20 17:10	100.1	↓-1.6
2/20 17:20	98.4	↓-1.7
2/20 17:30	96.4	↓-2.0
2/20 17:40	94.3	↓-2.1
2/20 17:50	92.0	↓-2.3
2/20 18:00	89.7	↓-2.3
2/20 18:10	87.2	↓-2.5
2/20 18:20	84.5	↓-2.7
2/20 18:30	81.9	↓-2.6
2/20 18:40	79.1	↓-2.8
2/20 18:50	76.3	↓-2.8
2/20 19:00	73.4	↓-2.9	最大潮位差
2/20 19:10	70.6	↓-2.8
2/20 19:20	67.7	↓-2.9	最大潮位差
2/20 19:30	64.9	↓-2.8
2/20 19:40	62.1	↓-2.8
2/20 19:50	59.3	↓-2.8
2/20 20:00	56.7	↓-2.6
2/20 20:10	54.1	↓-2.6
2/20 20:20	51.6	↓-2.5
2/20 20:30	49.3	↓-2.3
2/20 20:40	47.1	↓-2.2
2/20 20:50	45.0	↓-2.1
2/20 21:00	43.1	↓-1.9
2/20 21:10	41.4	↓-1.7
2/20 21:20	39.8	↓-1.6
2/20 21:30	38.5	↓-1.3
2/20 21:40	37.3	↓-1.2
2/20 21:50	36.3	↓-1.0
2/20 22:00	35.6	↓-0.7
2/20 22:10	35.0	↓-0.6
2/20 22:20	34.7	↓-0.3
2/20 22:30	34.5	↓-0.2	干潮
2/20 22:40	34.6	↑0.1
2/20 22:50	34.9	↑0.3
2/20 23:00	35.4	↑0.5
2/20 23:10	36.1	↑0.7
2/20 23:20	36.9	↑0.8
2/20 23:30	38.0	↑1.1
2/20 23:40	39.2	↑1.2
2/20 23:50	40.5	↑1.3