18 (土)	05:52	12:15	18:27	-
	90cm	40cm	83cm	-
小潮 出 06:17 入 16:54 出 09:12 入 23:17

コイセボイ（北海道）2040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	46.2	↑0.1
2/18 00:10	46.4	↑0.2
2/18 00:20	46.8	↑0.4
2/18 00:30	47.3	↑0.5
2/18 00:40	48.0	↑0.7
2/18 00:50	48.9	↑0.9
2/18 01:00	49.9	↑1.0
2/18 01:10	51.1	↑1.2
2/18 01:20	52.3	↑1.2
2/18 01:30	53.7	↑1.4
2/18 01:40	55.2	↑1.5
2/18 01:50	56.8	↑1.6
2/18 02:00	58.5	↑1.7
2/18 02:10	60.2	↑1.7
2/18 02:20	62.1	↑1.9
2/18 02:30	63.9	↑1.8
2/18 02:40	65.8	↑1.9
2/18 02:50	67.7	↑1.9
2/18 03:00	69.6	↑1.9
2/18 03:10	71.5	↑1.9
2/18 03:20	73.3	↑1.8
2/18 03:30	75.1	↑1.8
2/18 03:40	76.9	↑1.8
2/18 03:50	78.6	↑1.7
2/18 04:00	80.2	↑1.6
2/18 04:10	81.7	↑1.5
2/18 04:20	83.1	↑1.4
2/18 04:30	84.4	↑1.3
2/18 04:40	85.6	↑1.2
2/18 04:50	86.6	↑1.0
2/18 05:00	87.5	↑0.9
2/18 05:10	88.3	↑0.8
2/18 05:20	88.9	↑0.6
2/18 05:30	89.3	↑0.4
2/18 05:40	89.5	↑0.2
2/18 05:50	89.6	↑0.1	満潮
2/18 06:00	89.6	0
2/18 06:10	89.3	↓-0.3
2/18 06:20	88.9	↓-0.4
2/18 06:30	88.4	↓-0.5
2/18 06:40	87.6	↓-0.8
2/18 06:50	86.7	↓-0.9
2/18 07:00	85.7	↓-1.0
2/18 07:10	84.5	↓-1.2
2/18 07:20	83.2	↓-1.3
2/18 07:30	81.8	↓-1.4
2/18 07:40	80.2	↓-1.6
2/18 07:50	78.6	↓-1.6
2/18 08:00	76.8	↓-1.8
2/18 08:10	75.0	↓-1.8
2/18 08:20	73.1	↓-1.9
2/18 08:30	71.1	↓-2.0
2/18 08:40	69.1	↓-2.0
2/18 08:50	67.1	↓-2.0
2/18 09:00	65.0	↓-2.1	最大潮位差
2/18 09:10	62.9	↓-2.1	最大潮位差
2/18 09:20	60.9	↓-2.0
2/18 09:30	58.9	↓-2.0
2/18 09:40	56.9	↓-2.0
2/18 09:50	55.0	↓-1.9
2/18 10:00	53.1	↓-1.9
2/18 10:10	51.4	↓-1.7
2/18 10:20	49.7	↓-1.7
2/18 10:30	48.1	↓-1.6
2/18 10:40	46.6	↓-1.5
2/18 10:50	45.3	↓-1.3
2/18 11:00	44.1	↓-1.2
2/18 11:10	43.0	↓-1.1
2/18 11:20	42.0	↓-1.0
2/18 11:30	41.3	↓-0.7
2/18 11:40	40.6	↓-0.7
2/18 11:50	40.2	↓-0.4
2/18 12:00	39.9	↓-0.3
2/18 12:10	39.7	↓-0.2	干潮
2/18 12:20	39.7	0
2/18 12:30	39.9	↑0.2
2/18 12:40	40.3	↑0.4
2/18 12:50	40.8	↑0.5
2/18 13:00	41.4	↑0.6
2/18 13:10	42.2	↑0.8
2/18 13:20	43.1	↑0.9
2/18 13:30	44.2	↑1.1
2/18 13:40	45.4	↑1.2
2/18 13:50	46.7	↑1.3
2/18 14:00	48.1	↑1.4
2/18 14:10	49.7	↑1.6
2/18 14:20	51.2	↑1.5
2/18 14:30	52.9	↑1.7
2/18 14:40	54.6	↑1.7
2/18 14:50	56.4	↑1.8
2/18 15:00	58.2	↑1.8
2/18 15:10	60.0	↑1.8
2/18 15:20	61.9	↑1.9
2/18 15:30	63.7	↑1.8
2/18 15:40	65.5	↑1.8
2/18 15:50	67.3	↑1.8
2/18 16:00	69.0	↑1.7
2/18 16:10	70.7	↑1.7
2/18 16:20	72.3	↑1.6
2/18 16:30	73.8	↑1.5
2/18 16:40	75.2	↑1.4
2/18 16:50	76.6	↑1.4
2/18 17:00	77.8	↑1.2
2/18 17:10	78.9	↑1.1
2/18 17:20	79.9	↑1.0
2/18 17:30	80.8	↑0.9
2/18 17:40	81.5	↑0.7
2/18 17:50	82.1	↑0.6
2/18 18:00	82.5	↑0.4
2/18 18:10	82.8	↑0.3
2/18 18:20	83.0	↑0.2	満潮
2/18 18:30	83.0	0
2/18 18:40	82.8	↓-0.2
2/18 18:50	82.6	↓-0.2
2/18 19:00	82.2	↓-0.4
2/18 19:10	81.6	↓-0.6
2/18 19:20	81.0	↓-0.6
2/18 19:30	80.2	↓-0.8
2/18 19:40	79.3	↓-0.9
2/18 19:50	78.2	↓-1.1
2/18 20:00	77.1	↓-1.1
2/18 20:10	76.0	↓-1.1
2/18 20:20	74.7	↓-1.3
2/18 20:30	73.4	↓-1.3
2/18 20:40	72.0	↓-1.4
2/18 20:50	70.5	↓-1.5
2/18 21:00	69.1	↓-1.4
2/18 21:10	67.6	↓-1.5
2/18 21:20	66.1	↓-1.5
2/18 21:30	64.7	↓-1.4
2/18 21:40	63.2	↓-1.5
2/18 21:50	61.8	↓-1.4
2/18 22:00	60.4	↓-1.4
2/18 22:10	59.1	↓-1.3
2/18 22:20	57.8	↓-1.3
2/18 22:30	56.7	↓-1.1
2/18 22:40	55.6	↓-1.1
2/18 22:50	54.6	↓-1.0
2/18 23:00	53.7	↓-0.9
2/18 23:10	52.9	↓-0.8
2/18 23:20	52.3	↓-0.6
2/18 23:30	51.8	↓-0.5
2/18 23:40	51.4	↓-0.4
2/18 23:50	51.1	↓-0.3