30 (金)	06:14	13:06	19:32	-
	90cm	37cm	78cm	-
小潮 出 03:41 入 19:09 出 22:34 入 10:11

コイセボイ（北海道）2051年06月30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
6/30 00:00	51.4	0
6/30 00:10	51.5	↑0.1
6/30 00:20	51.7	↑0.2
6/30 00:30	52.1	↑0.4
6/30 00:40	52.5	↑0.4
6/30 00:50	53.1	↑0.6
6/30 01:00	53.8	↑0.7
6/30 01:10	54.6	↑0.8
6/30 01:20	55.5	↑0.9
6/30 01:30	56.6	↑1.1
6/30 01:40	57.7	↑1.1
6/30 01:50	58.9	↑1.2
6/30 02:00	60.2	↑1.3
6/30 02:10	61.6	↑1.4
6/30 02:20	63.0	↑1.4
6/30 02:30	64.5	↑1.5
6/30 02:40	66.1	↑1.6
6/30 02:50	67.6	↑1.5
6/30 03:00	69.2	↑1.6
6/30 03:10	70.8	↑1.6
6/30 03:20	72.5	↑1.7
6/30 03:30	74.1	↑1.6
6/30 03:40	75.7	↑1.6
6/30 03:50	77.2	↑1.5
6/30 04:00	78.7	↑1.5
6/30 04:10	80.2	↑1.5
6/30 04:20	81.6	↑1.4
6/30 04:30	82.9	↑1.3
6/30 04:40	84.1	↑1.2
6/30 04:50	85.2	↑1.1
6/30 05:00	86.3	↑1.1
6/30 05:10	87.2	↑0.9
6/30 05:20	88.0	↑0.8
6/30 05:30	88.6	↑0.6
6/30 05:40	89.2	↑0.6
6/30 05:50	89.6	↑0.4
6/30 06:00	89.8	↑0.2
6/30 06:10	89.9	↑0.1	満潮
6/30 06:20	89.9	0
6/30 06:30	89.7	↓-0.2
6/30 06:40	89.4	↓-0.3
6/30 06:50	88.9	↓-0.5
6/30 07:00	88.3	↓-0.6
6/30 07:10	87.5	↓-0.8
6/30 07:20	86.6	↓-0.9
6/30 07:30	85.5	↓-1.1
6/30 07:40	84.4	↓-1.1
6/30 07:50	83.1	↓-1.3
6/30 08:00	81.7	↓-1.4
6/30 08:10	80.1	↓-1.6
6/30 08:20	78.5	↓-1.6
6/30 08:30	76.8	↓-1.7
6/30 08:40	75.0	↓-1.8
6/30 08:50	73.1	↓-1.9
6/30 09:00	71.2	↓-1.9
6/30 09:10	69.3	↓-1.9
6/30 09:20	67.3	↓-2.0
6/30 09:30	65.2	↓-2.1	最大潮位差
6/30 09:40	63.2	↓-2.0
6/30 09:50	61.2	↓-2.0
6/30 10:00	59.1	↓-2.1	最大潮位差
6/30 10:10	57.1	↓-2.0
6/30 10:20	55.2	↓-1.9
6/30 10:30	53.3	↓-1.9
6/30 10:40	51.4	↓-1.9
6/30 10:50	49.7	↓-1.7
6/30 11:00	48.0	↓-1.7
6/30 11:10	46.4	↓-1.6
6/30 11:20	44.9	↓-1.5
6/30 11:30	43.5	↓-1.4
6/30 11:40	42.2	↓-1.3
6/30 11:50	41.0	↓-1.2
6/30 12:00	40.0	↓-1.0
6/30 12:10	39.1	↓-0.9
6/30 12:20	38.4	↓-0.7
6/30 12:30	37.8	↓-0.6
6/30 12:40	37.4	↓-0.4
6/30 12:50	37.1	↓-0.3
6/30 13:00	36.9	↓-0.2	干潮
6/30 13:10	36.9	0
6/30 13:20	37.0	↑0.1
6/30 13:30	37.3	↑0.3
6/30 13:40	37.8	↑0.5
6/30 13:50	38.3	↑0.5
6/30 14:00	39.0	↑0.7
6/30 14:10	39.9	↑0.9
6/30 14:20	40.8	↑0.9
6/30 14:30	41.9	↑1.1
6/30 14:40	43.0	↑1.1
6/30 14:50	44.3	↑1.3
6/30 15:00	45.6	↑1.3
6/30 15:10	47.1	↑1.5
6/30 15:20	48.5	↑1.4
6/30 15:30	50.1	↑1.6
6/30 15:40	51.7	↑1.6
6/30 15:50	53.3	↑1.6
6/30 16:00	55.0	↑1.7
6/30 16:10	56.6	↑1.6
6/30 16:20	58.3	↑1.7
6/30 16:30	59.9	↑1.6
6/30 16:40	61.6	↑1.7
6/30 16:50	63.2	↑1.6
6/30 17:00	64.7	↑1.5
6/30 17:10	66.2	↑1.5
6/30 17:20	67.7	↑1.5
6/30 17:30	69.0	↑1.3
6/30 17:40	70.3	↑1.3
6/30 17:50	71.5	↑1.2
6/30 18:00	72.6	↑1.1
6/30 18:10	73.6	↑1.0
6/30 18:20	74.5	↑0.9
6/30 18:30	75.3	↑0.8
6/30 18:40	76.0	↑0.7
6/30 18:50	76.6	↑0.6
6/30 19:00	77.0	↑0.4
6/30 19:10	77.3	↑0.3
6/30 19:20	77.5	↑0.2
6/30 19:30	77.6	↑0.1	満潮
6/30 19:40	77.5	↓-0.1
6/30 19:50	77.4	↓-0.1
6/30 20:00	77.1	↓-0.3
6/30 20:10	76.7	↓-0.4
6/30 20:20	76.2	↓-0.5
6/30 20:30	75.6	↓-0.6
6/30 20:40	74.9	↓-0.7
6/30 20:50	74.2	↓-0.7
6/30 21:00	73.3	↓-0.9
6/30 21:10	72.4	↓-0.9
6/30 21:20	71.4	↓-1.0
6/30 21:30	70.4	↓-1.0
6/30 21:40	69.3	↓-1.1
6/30 21:50	68.1	↓-1.2
6/30 22:00	67.0	↓-1.1
6/30 22:10	65.8	↓-1.2
6/30 22:20	64.6	↓-1.2
6/30 22:30	63.5	↓-1.1
6/30 22:40	62.3	↓-1.2
6/30 22:50	61.2	↓-1.1
6/30 23:00	60.1	↓-1.1
6/30 23:10	59.0	↓-1.1
6/30 23:20	58.0	↓-1.0
6/30 23:30	57.0	↓-1.0
6/30 23:40	56.1	↓-0.9
6/30 23:50	55.3	↓-0.8