20 (火)	03:45	07:08	14:15	21:47
	63cm	56cm	116cm	27cm
大潮 出 06:14 入 16:58 出 16:05 入 05:35

コイセボイ（北海道）2046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	39.4	↑1.6
2/20 00:10	41.1	↑1.7
2/20 00:20	42.8	↑1.7
2/20 00:30	44.5	↑1.7
2/20 00:40	46.1	↑1.6
2/20 00:50	47.7	↑1.6
2/20 01:00	49.3	↑1.6
2/20 01:10	50.8	↑1.5
2/20 01:20	52.3	↑1.5
2/20 01:30	53.7	↑1.4
2/20 01:40	55.0	↑1.3
2/20 01:50	56.2	↑1.2
2/20 02:00	57.3	↑1.1
2/20 02:10	58.3	↑1.0
2/20 02:20	59.3	↑1.0
2/20 02:30	60.1	↑0.8
2/20 02:40	60.8	↑0.7
2/20 02:50	61.4	↑0.6
2/20 03:00	61.9	↑0.5
2/20 03:10	62.3	↑0.4
2/20 03:20	62.6	↑0.3
2/20 03:30	62.8	↑0.2
2/20 03:40	62.9	↑0.1	満潮
2/20 03:50	62.9	0
2/20 04:00	62.8	↓-0.1
2/20 04:10	62.6	↓-0.2
2/20 04:20	62.3	↓-0.3
2/20 04:30	62.0	↓-0.3
2/20 04:40	61.6	↓-0.4
2/20 04:50	61.2	↓-0.4
2/20 05:00	60.7	↓-0.5
2/20 05:10	60.3	↓-0.4
2/20 05:20	59.7	↓-0.6
2/20 05:30	59.2	↓-0.5
2/20 05:40	58.7	↓-0.5
2/20 05:50	58.2	↓-0.5
2/20 06:00	57.7	↓-0.5
2/20 06:10	57.3	↓-0.4
2/20 06:20	56.9	↓-0.4
2/20 06:30	56.6	↓-0.3
2/20 06:40	56.3	↓-0.3
2/20 06:50	56.1	↓-0.2
2/20 07:00	56.0	↓-0.1	干潮
2/20 07:10	56.0	0
2/20 07:20	56.0	0
2/20 07:30	56.2	↑0.2
2/20 07:40	56.5	↑0.3
2/20 07:50	57.0	↑0.5
2/20 08:00	57.5	↑0.5
2/20 08:10	58.2	↑0.7
2/20 08:20	59.0	↑0.8
2/20 08:30	59.9	↑0.9
2/20 08:40	61.0	↑1.1
2/20 08:50	62.1	↑1.1
2/20 09:00	63.5	↑1.4
2/20 09:10	64.9	↑1.4
2/20 09:20	66.4	↑1.5
2/20 09:30	68.1	↑1.7
2/20 09:40	69.8	↑1.7
2/20 09:50	71.7	↑1.9
2/20 10:00	73.7	↑2.0
2/20 10:10	75.7	↑2.0
2/20 10:20	77.8	↑2.1
2/20 10:30	79.9	↑2.1
2/20 10:40	82.1	↑2.2
2/20 10:50	84.4	↑2.3
2/20 11:00	86.6	↑2.2
2/20 11:10	88.9	↑2.3
2/20 11:20	91.1	↑2.2
2/20 11:30	93.4	↑2.3
2/20 11:40	95.6	↑2.2
2/20 11:50	97.7	↑2.1
2/20 12:00	99.8	↑2.1
2/20 12:10	101.8	↑2.0
2/20 12:20	103.7	↑1.9
2/20 12:30	105.6	↑1.9
2/20 12:40	107.3	↑1.7
2/20 12:50	108.8	↑1.5
2/20 13:00	110.3	↑1.5
2/20 13:10	111.5	↑1.2
2/20 13:20	112.7	↑1.2
2/20 13:30	113.6	↑0.9
2/20 13:40	114.4	↑0.8
2/20 13:50	114.9	↑0.5
2/20 14:00	115.3	↑0.4
2/20 14:10	115.5	↑0.2	満潮
2/20 14:20	115.5	0
2/20 14:30	115.3	↓-0.2
2/20 14:40	114.8	↓-0.5
2/20 14:50	114.2	↓-0.6
2/20 15:00	113.3	↓-0.9
2/20 15:10	112.3	↓-1.0
2/20 15:20	111.0	↓-1.3
2/20 15:30	109.5	↓-1.5
2/20 15:40	107.9	↓-1.6
2/20 15:50	106.1	↓-1.8
2/20 16:00	104.0	↓-2.1
2/20 16:10	101.9	↓-2.1
2/20 16:20	99.5	↓-2.4
2/20 16:30	97.0	↓-2.5
2/20 16:40	94.4	↓-2.6
2/20 16:50	91.7	↓-2.7
2/20 17:00	88.8	↓-2.9
2/20 17:10	85.9	↓-2.9
2/20 17:20	82.9	↓-3.0
2/20 17:30	79.8	↓-3.1
2/20 17:40	76.7	↓-3.1
2/20 17:50	73.6	↓-3.1
2/20 18:00	70.4	↓-3.2	最大潮位差
2/20 18:10	67.2	↓-3.2	最大潮位差
2/20 18:20	64.1	↓-3.1
2/20 18:30	61.0	↓-3.1
2/20 18:40	58.0	↓-3.0
2/20 18:50	55.0	↓-3.0
2/20 19:00	52.1	↓-2.9
2/20 19:10	49.3	↓-2.8
2/20 19:20	46.6	↓-2.7
2/20 19:30	44.1	↓-2.5
2/20 19:40	41.6	↓-2.5
2/20 19:50	39.4	↓-2.2
2/20 20:00	37.3	↓-2.1
2/20 20:10	35.3	↓-2.0
2/20 20:20	33.5	↓-1.8
2/20 20:30	32.0	↓-1.5
2/20 20:40	30.6	↓-1.4
2/20 20:50	29.4	↓-1.2
2/20 21:00	28.4	↓-1.0
2/20 21:10	27.6	↓-0.8
2/20 21:20	27.0	↓-0.6
2/20 21:30	26.6	↓-0.4
2/20 21:40	26.3	↓-0.3	干潮
2/20 21:50	26.3	0
2/20 22:00	26.5	↑0.2
2/20 22:10	26.9	↑0.4
2/20 22:20	27.4	↑0.5
2/20 22:30	28.1	↑0.7
2/20 22:40	29.0	↑0.9
2/20 22:50	30.0	↑1.0
2/20 23:00	31.1	↑1.1
2/20 23:10	32.4	↑1.3
2/20 23:20	33.8	↑1.4
2/20 23:30	35.3	↑1.5
2/20 23:40	36.9	↑1.6
2/20 23:50	38.5	↑1.6