21 (日)	08:29	17:58	-	-
	105cm	35cm	-	-
長潮 出 06:12 入 16:59 出 10:45 入 01:31

コイセボイ（北海道）2021年02月21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
2/21 00:00	54.9	↑0.2
2/21 00:10	55.2	↑0.3
2/21 00:20	55.4	↑0.2
2/21 00:30	55.7	↑0.3
2/21 00:40	56.1	↑0.4
2/21 00:50	56.5	↑0.4
2/21 01:00	57.0	↑0.5
2/21 01:10	57.5	↑0.5
2/21 01:20	58.1	↑0.6
2/21 01:30	58.7	↑0.6
2/21 01:40	59.4	↑0.7
2/21 01:50	60.2	↑0.8
2/21 02:00	61.0	↑0.8
2/21 02:10	61.9	↑0.9
2/21 02:20	62.9	↑1.0
2/21 02:30	63.9	↑1.0
2/21 02:40	65.0	↑1.1
2/21 02:50	66.1	↑1.1
2/21 03:00	67.3	↑1.2
2/21 03:10	68.6	↑1.3
2/21 03:20	69.9	↑1.3
2/21 03:30	71.2	↑1.3
2/21 03:40	72.6	↑1.4
2/21 03:50	74.0	↑1.4
2/21 04:00	75.5	↑1.5
2/21 04:10	77.0	↑1.5
2/21 04:20	78.5	↑1.5
2/21 04:30	80.0	↑1.5
2/21 04:40	81.6	↑1.6
2/21 04:50	83.1	↑1.5
2/21 05:00	84.6	↑1.5
2/21 05:10	86.2	↑1.6
2/21 05:20	87.7	↑1.5
2/21 05:30	89.1	↑1.4
2/21 05:40	90.6	↑1.5
2/21 05:50	92.0	↑1.4
2/21 06:00	93.4	↑1.4
2/21 06:10	94.7	↑1.3
2/21 06:20	96.0	↑1.3
2/21 06:30	97.2	↑1.2
2/21 06:40	98.3	↑1.1
2/21 06:50	99.4	↑1.1
2/21 07:00	100.3	↑0.9
2/21 07:10	101.2	↑0.9
2/21 07:20	102.0	↑0.8
2/21 07:30	102.7	↑0.7
2/21 07:40	103.3	↑0.6
2/21 07:50	103.8	↑0.5
2/21 08:00	104.1	↑0.3
2/21 08:10	104.4	↑0.3
2/21 08:20	104.5	↑0.1	満潮
2/21 08:30	104.6	↑0.1
2/21 08:40	104.5	↓-0.1
2/21 08:50	104.3	↓-0.2
2/21 09:00	103.9	↓-0.4
2/21 09:10	103.5	↓-0.4
2/21 09:20	102.9	↓-0.6
2/21 09:30	102.3	↓-0.6
2/21 09:40	101.5	↓-0.8
2/21 09:50	100.6	↓-0.9
2/21 10:00	99.6	↓-1.0
2/21 10:10	98.5	↓-1.1
2/21 10:20	97.2	↓-1.3
2/21 10:30	95.9	↓-1.3
2/21 10:40	94.5	↓-1.4
2/21 10:50	93.0	↓-1.5
2/21 11:00	91.5	↓-1.5
2/21 11:10	89.8	↓-1.7
2/21 11:20	88.1	↓-1.7
2/21 11:30	86.3	↓-1.8
2/21 11:40	84.5	↓-1.8
2/21 11:50	82.6	↓-1.9
2/21 12:00	80.7	↓-1.9
2/21 12:10	78.7	↓-2.0
2/21 12:20	76.8	↓-1.9
2/21 12:30	74.8	↓-2.0
2/21 12:40	72.7	↓-2.1	最大潮位差
2/21 12:50	70.7	↓-2.0
2/21 13:00	68.7	↓-2.0
2/21 13:10	66.7	↓-2.0
2/21 13:20	64.7	↓-2.0
2/21 13:30	62.7	↓-2.0
2/21 13:40	60.8	↓-1.9
2/21 13:50	58.9	↓-1.9
2/21 14:00	57.0	↓-1.9
2/21 14:10	55.2	↓-1.8
2/21 14:20	53.5	↓-1.7
2/21 14:30	51.8	↓-1.7
2/21 14:40	50.1	↓-1.7
2/21 14:50	48.6	↓-1.5
2/21 15:00	47.1	↓-1.5
2/21 15:10	45.6	↓-1.5
2/21 15:20	44.3	↓-1.3
2/21 15:30	43.0	↓-1.3
2/21 15:40	41.9	↓-1.1
2/21 15:50	40.8	↓-1.1
2/21 16:00	39.8	↓-1.0
2/21 16:10	38.8	↓-1.0
2/21 16:20	38.0	↓-0.8
2/21 16:30	37.3	↓-0.7
2/21 16:40	36.6	↓-0.7
2/21 16:50	36.1	↓-0.5
2/21 17:00	35.6	↓-0.5
2/21 17:10	35.2	↓-0.4
2/21 17:20	34.9	↓-0.3
2/21 17:30	34.6	↓-0.3
2/21 17:40	34.5	↓-0.1
2/21 17:50	34.4	↓-0.1	干潮
2/21 18:00	34.4	0
2/21 18:10	34.4	0
2/21 18:20	34.5	↑0.1
2/21 18:30	34.7	↑0.2
2/21 18:40	35.0	↑0.3
2/21 18:50	35.3	↑0.3
2/21 19:00	35.6	↑0.3
2/21 19:10	36.0	↑0.4
2/21 19:20	36.4	↑0.4
2/21 19:30	36.9	↑0.5
2/21 19:40	37.4	↑0.5
2/21 19:50	37.9	↑0.5
2/21 20:00	38.4	↑0.5
2/21 20:10	39.0	↑0.6
2/21 20:20	39.6	↑0.6
2/21 20:30	40.2	↑0.6
2/21 20:40	40.8	↑0.6
2/21 20:50	41.4	↑0.6
2/21 21:00	42.0	↑0.6
2/21 21:10	42.7	↑0.7
2/21 21:20	43.3	↑0.6
2/21 21:30	43.9	↑0.6
2/21 21:40	44.5	↑0.6
2/21 21:50	45.2	↑0.7
2/21 22:00	45.8	↑0.6
2/21 22:10	46.4	↑0.6
2/21 22:20	47.0	↑0.6
2/21 22:30	47.6	↑0.6
2/21 22:40	48.1	↑0.5
2/21 22:50	48.7	↑0.6
2/21 23:00	49.3	↑0.6
2/21 23:10	49.8	↑0.5
2/21 23:20	50.4	↑0.6
2/21 23:30	50.9	↑0.5
2/21 23:40	51.5	↑0.6
2/21 23:50	52.0	↑0.5