18 (木)	04:04	06:16	13:43	21:36
	64cm	62cm	117cm	21cm
大潮 出 06:17 入 16:55 出 15:05 入 05:22

コイセボイ（北海道）2038年02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
2/18 00:00	40.3	↑1.7
2/18 00:10	42.0	↑1.7
2/18 00:20	43.7	↑1.7
2/18 00:30	45.3	↑1.6
2/18 00:40	46.9	↑1.6
2/18 00:50	48.5	↑1.6
2/18 01:00	50.0	↑1.5
2/18 01:10	51.5	↑1.5
2/18 01:20	52.9	↑1.4
2/18 01:30	54.2	↑1.3
2/18 01:40	55.5	↑1.3
2/18 01:50	56.6	↑1.1
2/18 02:00	57.7	↑1.1
2/18 02:10	58.7	↑1.0
2/18 02:20	59.6	↑0.9
2/18 02:30	60.4	↑0.8
2/18 02:40	61.1	↑0.7
2/18 02:50	61.8	↑0.7
2/18 03:00	62.3	↑0.5
2/18 03:10	62.7	↑0.4
2/18 03:20	63.1	↑0.4
2/18 03:30	63.3	↑0.2
2/18 03:40	63.5	↑0.2
2/18 03:50	63.6	↑0.1
2/18 04:00	63.7	↑0.1	満潮
2/18 04:10	63.7	0
2/18 04:20	63.6	↓-0.1
2/18 04:30	63.5	↓-0.1
2/18 04:40	63.3	↓-0.2
2/18 04:50	63.2	↓-0.1
2/18 05:00	63.0	↓-0.2
2/18 05:10	62.8	↓-0.2
2/18 05:20	62.6	↓-0.2
2/18 05:30	62.4	↓-0.2
2/18 05:40	62.2	↓-0.2
2/18 05:50	62.1	↓-0.1
2/18 06:00	62.0	↓-0.1
2/18 06:10	61.9	↓-0.1	干潮
2/18 06:20	61.9	0
2/18 06:30	62.0	↑0.1
2/18 06:40	62.1	↑0.1
2/18 06:50	62.3	↑0.2
2/18 07:00	62.6	↑0.3
2/18 07:10	63.0	↑0.4
2/18 07:20	63.5	↑0.5
2/18 07:30	64.1	↑0.6
2/18 07:40	64.8	↑0.7
2/18 07:50	65.6	↑0.8
2/18 08:00	66.5	↑0.9
2/18 08:10	67.5	↑1.0
2/18 08:20	68.6	↑1.1
2/18 08:30	69.8	↑1.2
2/18 08:40	71.1	↑1.3
2/18 08:50	72.5	↑1.4
2/18 09:00	74.1	↑1.6
2/18 09:10	75.7	↑1.6
2/18 09:20	77.4	↑1.7
2/18 09:30	79.1	↑1.7
2/18 09:40	81.0	↑1.9
2/18 09:50	82.9	↑1.9
2/18 10:00	84.8	↑1.9
2/18 10:10	86.8	↑2.0
2/18 10:20	88.8	↑2.0
2/18 10:30	90.9	↑2.1
2/18 10:40	92.9	↑2.0
2/18 10:50	95.0	↑2.1
2/18 11:00	97.0	↑2.0
2/18 11:10	99.0	↑2.0
2/18 11:20	100.9	↑1.9
2/18 11:30	102.8	↑1.9
2/18 11:40	104.7	↑1.9
2/18 11:50	106.4	↑1.7
2/18 12:00	108.0	↑1.6
2/18 12:10	109.6	↑1.6
2/18 12:20	111.0	↑1.4
2/18 12:30	112.3	↑1.3
2/18 12:40	113.5	↑1.2
2/18 12:50	114.5	↑1.0
2/18 13:00	115.3	↑0.8
2/18 13:10	116.0	↑0.7
2/18 13:20	116.5	↑0.5
2/18 13:30	116.8	↑0.3
2/18 13:40	116.9	↑0.1	満潮
2/18 13:50	116.8	↓-0.1
2/18 14:00	116.6	↓-0.2
2/18 14:10	116.1	↓-0.5
2/18 14:20	115.5	↓-0.6
2/18 14:30	114.6	↓-0.9
2/18 14:40	113.5	↓-1.1
2/18 14:50	112.3	↓-1.2
2/18 15:00	110.8	↓-1.5
2/18 15:10	109.2	↓-1.6
2/18 15:20	107.3	↓-1.9
2/18 15:30	105.3	↓-2.0
2/18 15:40	103.1	↓-2.2
2/18 15:50	100.8	↓-2.3
2/18 16:00	98.3	↓-2.5
2/18 16:10	95.7	↓-2.6
2/18 16:20	92.9	↓-2.8
2/18 16:30	90.1	↓-2.8
2/18 16:40	87.1	↓-3.0
2/18 16:50	84.0	↓-3.1
2/18 17:00	80.9	↓-3.1
2/18 17:10	77.7	↓-3.2
2/18 17:20	74.5	↓-3.2
2/18 17:30	71.2	↓-3.3	最大潮位差
2/18 17:40	68.0	↓-3.2
2/18 17:50	64.7	↓-3.3	最大潮位差
2/18 18:00	61.4	↓-3.3	最大潮位差
2/18 18:10	58.2	↓-3.2
2/18 18:20	55.1	↓-3.1
2/18 18:30	52.0	↓-3.1
2/18 18:40	48.9	↓-3.1
2/18 18:50	46.0	↓-2.9
2/18 19:00	43.2	↓-2.8
2/18 19:10	40.5	↓-2.7
2/18 19:20	38.0	↓-2.5
2/18 19:30	35.5	↓-2.5
2/18 19:40	33.3	↓-2.2
2/18 19:50	31.2	↓-2.1
2/18 20:00	29.3	↓-1.9
2/18 20:10	27.5	↓-1.8
2/18 20:20	26.0	↓-1.5
2/18 20:30	24.6	↓-1.4
2/18 20:40	23.4	↓-1.2
2/18 20:50	22.4	↓-1.0
2/18 21:00	21.7	↓-0.7
2/18 21:10	21.1	↓-0.6
2/18 21:20	20.7	↓-0.4
2/18 21:30	20.5	↓-0.2	干潮
2/18 21:40	20.5	0
2/18 21:50	20.7	↑0.2
2/18 22:00	21.1	↑0.4
2/18 22:10	21.6	↑0.5
2/18 22:20	22.3	↑0.7
2/18 22:30	23.2	↑0.9
2/18 22:40	24.2	↑1.0
2/18 22:50	25.4	↑1.2
2/18 23:00	26.7	↑1.3
2/18 23:10	28.1	↑1.4
2/18 23:20	29.6	↑1.5
2/18 23:30	31.2	↑1.6
2/18 23:40	32.8	↑1.6
2/18 23:50	34.6	↑1.8