18 (水)	05:34	06:30	14:36	22:45
	64cm	64cm	132cm	15cm
大潮 出 06:51 入 15:45 出 07:55 入 17:05

コイセボイ（北海道）2047年12月18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
12/18 00:00	24.1	↑1.7
12/18 00:10	25.8	↑1.7
12/18 00:20	27.6	↑1.8
12/18 00:30	29.4	↑1.8
12/18 00:40	31.3	↑1.9
12/18 00:50	33.2	↑1.9
12/18 01:00	35.1	↑1.9
12/18 01:10	37.1	↑2.0
12/18 01:20	39.0	↑1.9
12/18 01:30	40.9	↑1.9
12/18 01:40	42.7	↑1.8
12/18 01:50	44.5	↑1.8
12/18 02:00	46.3	↑1.8
12/18 02:10	48.0	↑1.7
12/18 02:20	49.6	↑1.6
12/18 02:30	51.2	↑1.6
12/18 02:40	52.6	↑1.4
12/18 02:50	54.0	↑1.4
12/18 03:00	55.3	↑1.3
12/18 03:10	56.5	↑1.2
12/18 03:20	57.6	↑1.1
12/18 03:30	58.5	↑0.9
12/18 03:40	59.4	↑0.9
12/18 03:50	60.2	↑0.8
12/18 04:00	60.9	↑0.7
12/18 04:10	61.5	↑0.6
12/18 04:20	61.9	↑0.4
12/18 04:30	62.3	↑0.4
12/18 04:40	62.7	↑0.4
12/18 04:50	62.9	↑0.2
12/18 05:00	63.1	↑0.2
12/18 05:10	63.2	↑0.1
12/18 05:20	63.3	↑0.1
12/18 05:30	63.3	0	満潮
12/18 05:40	63.3	0
12/18 05:50	63.3	0
12/18 06:00	63.2	↓-0.1
12/18 06:10	63.2	0
12/18 06:20	63.2	0	干潮
12/18 06:30	63.1	↓-0.1	干潮
12/18 06:40	63.2	↑0.1
12/18 06:50	63.2	0
12/18 07:00	63.3	↑0.1
12/18 07:10	63.5	↑0.2
12/18 07:20	63.7	↑0.2
12/18 07:30	64.1	↑0.4
12/18 07:40	64.5	↑0.4
12/18 07:50	65.0	↑0.5
12/18 08:00	65.6	↑0.6
12/18 08:10	66.3	↑0.7
12/18 08:20	67.1	↑0.8
12/18 08:30	68.0	↑0.9
12/18 08:40	69.1	↑1.1
12/18 08:50	70.2	↑1.1
12/18 09:00	71.5	↑1.3
12/18 09:10	72.9	↑1.4
12/18 09:20	74.4	↑1.5
12/18 09:30	76.1	↑1.7
12/18 09:40	77.8	↑1.7
12/18 09:50	79.7	↑1.9
12/18 10:00	81.6	↑1.9
12/18 10:10	83.6	↑2.0
12/18 10:20	85.8	↑2.2
12/18 10:30	88.0	↑2.2
12/18 10:40	90.3	↑2.3
12/18 10:50	92.6	↑2.3
12/18 11:00	95.0	↑2.4
12/18 11:10	97.4	↑2.4
12/18 11:20	99.8	↑2.4
12/18 11:30	102.2	↑2.4
12/18 11:40	104.7	↑2.5
12/18 11:50	107.1	↑2.4
12/18 12:00	109.4	↑2.3
12/18 12:10	111.8	↑2.4
12/18 12:20	114.0	↑2.2
12/18 12:30	116.2	↑2.2
12/18 12:40	118.3	↑2.1
12/18 12:50	120.2	↑1.9
12/18 13:00	122.1	↑1.9
12/18 13:10	123.8	↑1.7
12/18 13:20	125.4	↑1.6
12/18 13:30	126.8	↑1.4
12/18 13:40	128.0	↑1.2
12/18 13:50	129.1	↑1.1
12/18 14:00	129.9	↑0.8
12/18 14:10	130.6	↑0.7
12/18 14:20	131.0	↑0.4
12/18 14:30	131.2	↑0.2	満潮
12/18 14:40	131.2	0
12/18 14:50	131.0	↓-0.2
12/18 15:00	130.5	↓-0.5
12/18 15:10	129.9	↓-0.6
12/18 15:20	128.9	↓-1.0
12/18 15:30	127.8	↓-1.1
12/18 15:40	126.4	↓-1.4
12/18 15:50	124.8	↓-1.6
12/18 16:00	123.0	↓-1.8
12/18 16:10	120.9	↓-2.1
12/18 16:20	118.7	↓-2.2
12/18 16:30	116.2	↓-2.5
12/18 16:40	113.6	↓-2.6
12/18 16:50	110.7	↓-2.9
12/18 17:00	107.7	↓-3.0
12/18 17:10	104.6	↓-3.1
12/18 17:20	101.3	↓-3.3
12/18 17:30	97.9	↓-3.4
12/18 17:40	94.3	↓-3.6
12/18 17:50	90.7	↓-3.6
12/18 18:00	87.0	↓-3.7
12/18 18:10	83.2	↓-3.8
12/18 18:20	79.4	↓-3.8
12/18 18:30	75.6	↓-3.8
12/18 18:40	71.7	↓-3.9	最大潮位差
12/18 18:50	67.9	↓-3.8
12/18 19:00	64.0	↓-3.9	最大潮位差
12/18 19:10	60.3	↓-3.7
12/18 19:20	56.5	↓-3.8
12/18 19:30	52.9	↓-3.6
12/18 19:40	49.3	↓-3.6
12/18 19:50	45.9	↓-3.4
12/18 20:00	42.6	↓-3.3
12/18 20:10	39.4	↓-3.2
12/18 20:20	36.4	↓-3.0
12/18 20:30	33.5	↓-2.9
12/18 20:40	30.8	↓-2.7
12/18 20:50	28.3	↓-2.5
12/18 21:00	25.9	↓-2.4
12/18 21:10	23.8	↓-2.1
12/18 21:20	21.9	↓-1.9
12/18 21:30	20.2	↓-1.7
12/18 21:40	18.7	↓-1.5
12/18 21:50	17.4	↓-1.3
12/18 22:00	16.4	↓-1.0
12/18 22:10	15.5	↓-0.9
12/18 22:20	14.9	↓-0.6
12/18 22:30	14.5	↓-0.4
12/18 22:40	14.3	↓-0.2	干潮
12/18 22:50	14.4	↑0.1
12/18 23:00	14.6	↑0.2
12/18 23:10	15.0	↑0.4
12/18 23:20	15.6	↑0.6
12/18 23:30	16.4	↑0.8
12/18 23:40	17.3	↑0.9
12/18 23:50	18.4	↑1.1