19 (日)	04:25	07:09	14:20	22:16
	69cm	65cm	127cm	16cm
大潮 出 06:51 入 15:46 出 07:21 入 16:43

コイセボイ（北海道）2055年12月19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
12/19 00:00	34.6	↑2.0
12/19 00:10	36.5	↑1.9
12/19 00:20	38.6	↑2.1
12/19 00:30	40.6	↑2.0
12/19 00:40	42.6	↑2.0
12/19 00:50	44.6	↑2.0
12/19 01:00	46.6	↑2.0
12/19 01:10	48.6	↑2.0
12/19 01:20	50.5	↑1.9
12/19 01:30	52.4	↑1.9
12/19 01:40	54.2	↑1.8
12/19 01:50	55.9	↑1.7
12/19 02:00	57.5	↑1.6
12/19 02:10	59.0	↑1.5
12/19 02:20	60.4	↑1.4
12/19 02:30	61.8	↑1.4
12/19 02:40	63.0	↑1.2
12/19 02:50	64.0	↑1.0
12/19 03:00	65.0	↑1.0
12/19 03:10	65.9	↑0.9
12/19 03:20	66.6	↑0.7
12/19 03:30	67.2	↑0.6
12/19 03:40	67.7	↑0.5
12/19 03:50	68.1	↑0.4
12/19 04:00	68.4	↑0.3
12/19 04:10	68.6	↑0.2
12/19 04:20	68.6	0	満潮
12/19 04:30	68.6	0
12/19 04:40	68.5	↓-0.1
12/19 04:50	68.4	↓-0.1
12/19 05:00	68.2	↓-0.2
12/19 05:10	67.9	↓-0.3
12/19 05:20	67.6	↓-0.3
12/19 05:30	67.2	↓-0.4
12/19 05:40	66.9	↓-0.3
12/19 05:50	66.5	↓-0.4
12/19 06:00	66.1	↓-0.4
12/19 06:10	65.8	↓-0.3
12/19 06:20	65.4	↓-0.4
12/19 06:30	65.1	↓-0.3
12/19 06:40	64.9	↓-0.2
12/19 06:50	64.7	↓-0.2
12/19 07:00	64.6	↓-0.1	干潮
12/19 07:10	64.6	0
12/19 07:20	64.6	0
12/19 07:30	64.8	↑0.2
12/19 07:40	65.1	↑0.3
12/19 07:50	65.4	↑0.3
12/19 08:00	65.9	↑0.5
12/19 08:10	66.5	↑0.6
12/19 08:20	67.3	↑0.8
12/19 08:30	68.2	↑0.9
12/19 08:40	69.1	↑0.9
12/19 08:50	70.3	↑1.2
12/19 09:00	71.5	↑1.2
12/19 09:10	72.9	↑1.4
12/19 09:20	74.4	↑1.5
12/19 09:30	76.0	↑1.6
12/19 09:40	77.8	↑1.8
12/19 09:50	79.6	↑1.8
12/19 10:00	81.6	↑2.0
12/19 10:10	83.6	↑2.0
12/19 10:20	85.7	↑2.1
12/19 10:30	87.9	↑2.2
12/19 10:40	90.2	↑2.3
12/19 10:50	92.5	↑2.3
12/19 11:00	94.8	↑2.3
12/19 11:10	97.2	↑2.4
12/19 11:20	99.5	↑2.3
12/19 11:30	101.9	↑2.4
12/19 11:40	104.2	↑2.3
12/19 11:50	106.5	↑2.3
12/19 12:00	108.7	↑2.2
12/19 12:10	110.9	↑2.2
12/19 12:20	113.0	↑2.1
12/19 12:30	115.0	↑2.0
12/19 12:40	116.8	↑1.8
12/19 12:50	118.6	↑1.8
12/19 13:00	120.2	↑1.6
12/19 13:10	121.6	↑1.4
12/19 13:20	122.9	↑1.3
12/19 13:30	124.0	↑1.1
12/19 13:40	125.0	↑1.0
12/19 13:50	125.7	↑0.7
12/19 14:00	126.2	↑0.5
12/19 14:10	126.5	↑0.3	満潮
12/19 14:20	126.6	↑0.1	満潮
12/19 14:30	126.5	↓-0.1
12/19 14:40	126.1	↓-0.4
12/19 14:50	125.5	↓-0.6
12/19 15:00	124.7	↓-0.8
12/19 15:10	123.6	↓-1.1
12/19 15:20	122.3	↓-1.3
12/19 15:30	120.8	↓-1.5
12/19 15:40	119.1	↓-1.7
12/19 15:50	117.1	↓-2.0
12/19 16:00	115.0	↓-2.1
12/19 16:10	112.6	↓-2.4
12/19 16:20	110.0	↓-2.6
12/19 16:30	107.3	↓-2.7
12/19 16:40	104.4	↓-2.9
12/19 16:50	101.3	↓-3.1
12/19 17:00	98.1	↓-3.2
12/19 17:10	94.8	↓-3.3
12/19 17:20	91.4	↓-3.4
12/19 17:30	87.8	↓-3.6
12/19 17:40	84.2	↓-3.6
12/19 17:50	80.5	↓-3.7
12/19 18:00	76.8	↓-3.7
12/19 18:10	73.0	↓-3.8	最大潮位差
12/19 18:20	69.3	↓-3.7
12/19 18:30	65.5	↓-3.8	最大潮位差
12/19 18:40	61.8	↓-3.7
12/19 18:50	58.1	↓-3.7
12/19 19:00	54.5	↓-3.6
12/19 19:10	51.0	↓-3.5
12/19 19:20	47.5	↓-3.5
12/19 19:30	44.2	↓-3.3
12/19 19:40	41.0	↓-3.2
12/19 19:50	37.9	↓-3.1
12/19 20:00	35.0	↓-2.9
12/19 20:10	32.2	↓-2.8
12/19 20:20	29.6	↓-2.6
12/19 20:30	27.2	↓-2.4
12/19 20:40	25.1	↓-2.1
12/19 20:50	23.1	↓-2.0
12/19 21:00	21.3	↓-1.8
12/19 21:10	19.7	↓-1.6
12/19 21:20	18.4	↓-1.3
12/19 21:30	17.3	↓-1.1
12/19 21:40	16.4	↓-0.9
12/19 21:50	15.7	↓-0.7
12/19 22:00	15.3	↓-0.4
12/19 22:10	15.0	↓-0.3	干潮
12/19 22:20	15.0	0
12/19 22:30	15.2	↑0.2
12/19 22:40	15.6	↑0.4
12/19 22:50	16.2	↑0.6
12/19 23:00	17.0	↑0.8
12/19 23:10	18.0	↑1.0
12/19 23:20	19.1	↑1.1
12/19 23:30	20.4	↑1.3
12/19 23:40	21.8	↑1.4
12/19 23:50	23.4	↑1.6