20 (金)	10:17	02:37	-	18:31
	102cm	61cm	-	42cm
若潮 出 06:52 入 15:46 出 01:16 入 12:00

コイセボイ（北海道）2030年12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
12/20 00:00	64.3	↓-0.3
12/20 00:10	64.0	↓-0.3
12/20 00:20	63.6	↓-0.4
12/20 00:30	63.3	↓-0.3
12/20 00:40	62.9	↓-0.4
12/20 00:50	62.6	↓-0.3
12/20 01:00	62.2	↓-0.4
12/20 01:10	61.9	↓-0.3
12/20 01:20	61.6	↓-0.3
12/20 01:30	61.2	↓-0.4
12/20 01:40	61.0	↓-0.2
12/20 01:50	60.7	↓-0.3
12/20 02:00	60.5	↓-0.2
12/20 02:10	60.3	↓-0.2
12/20 02:20	60.2	↓-0.1
12/20 02:30	60.2	0	干潮
12/20 02:40	60.2	0
12/20 02:50	60.2	0
12/20 03:00	60.3	↑0.1
12/20 03:10	60.5	↑0.2
12/20 03:20	60.8	↑0.3
12/20 03:30	61.1	↑0.3
12/20 03:40	61.5	↑0.4
12/20 03:50	62.0	↑0.5
12/20 04:00	62.6	↑0.6
12/20 04:10	63.2	↑0.6
12/20 04:20	63.9	↑0.7
12/20 04:30	64.7	↑0.8
12/20 04:40	65.6	↑0.9
12/20 04:50	66.5	↑0.9
12/20 05:00	67.5	↑1.0
12/20 05:10	68.6	↑1.1
12/20 05:20	69.7	↑1.1
12/20 05:30	70.9	↑1.2
12/20 05:40	72.2	↑1.3
12/20 05:50	73.5	↑1.3
12/20 06:00	74.8	↑1.3
12/20 06:10	76.2	↑1.4
12/20 06:20	77.6	↑1.4
12/20 06:30	79.0	↑1.4
12/20 06:40	80.5	↑1.5
12/20 06:50	81.9	↑1.4
12/20 07:00	83.4	↑1.5
12/20 07:10	84.8	↑1.4
12/20 07:20	86.3	↑1.5
12/20 07:30	87.7	↑1.4
12/20 07:40	89.1	↑1.4
12/20 07:50	90.4	↑1.3
12/20 08:00	91.8	↑1.4
12/20 08:10	93.0	↑1.2
12/20 08:20	94.2	↑1.2
12/20 08:30	95.3	↑1.1
12/20 08:40	96.4	↑1.1
12/20 08:50	97.4	↑1.0
12/20 09:00	98.3	↑0.9
12/20 09:10	99.0	↑0.7
12/20 09:20	99.7	↑0.7
12/20 09:30	100.3	↑0.6
12/20 09:40	100.8	↑0.5
12/20 09:50	101.2	↑0.4
12/20 10:00	101.4	↑0.2
12/20 10:10	101.6	↑0.2	満潮
12/20 10:20	101.6	0
12/20 10:30	101.5	↓-0.1
12/20 10:40	101.3	↓-0.2
12/20 10:50	100.9	↓-0.4
12/20 11:00	100.4	↓-0.5
12/20 11:10	99.9	↓-0.5
12/20 11:20	99.1	↓-0.8
12/20 11:30	98.3	↓-0.8
12/20 11:40	97.4	↓-0.9
12/20 11:50	96.3	↓-1.1
12/20 12:00	95.2	↓-1.1
12/20 12:10	93.9	↓-1.3
12/20 12:20	92.5	↓-1.4
12/20 12:30	91.1	↓-1.4
12/20 12:40	89.5	↓-1.6
12/20 12:50	87.9	↓-1.6
12/20 13:00	86.3	↓-1.6
12/20 13:10	84.5	↓-1.8
12/20 13:20	82.7	↓-1.8
12/20 13:30	80.9	↓-1.8
12/20 13:40	79.0	↓-1.9
12/20 13:50	77.1	↓-1.9
12/20 14:00	75.1	↓-2.0	最大潮位差
12/20 14:10	73.2	↓-1.9
12/20 14:20	71.3	↓-1.9
12/20 14:30	69.3	↓-2.0	最大潮位差
12/20 14:40	67.4	↓-1.9
12/20 14:50	65.5	↓-1.9
12/20 15:00	63.6	↓-1.9
12/20 15:10	61.8	↓-1.8
12/20 15:20	60.0	↓-1.8
12/20 15:30	58.2	↓-1.8
12/20 15:40	56.6	↓-1.6
12/20 15:50	55.0	↓-1.6
12/20 16:00	53.4	↓-1.6
12/20 16:10	52.0	↓-1.4
12/20 16:20	50.6	↓-1.4
12/20 16:30	49.3	↓-1.3
12/20 16:40	48.1	↓-1.2
12/20 16:50	47.1	↓-1.0
12/20 17:00	46.1	↓-1.0
12/20 17:10	45.2	↓-0.9
12/20 17:20	44.4	↓-0.8
12/20 17:30	43.7	↓-0.7
12/20 17:40	43.2	↓-0.5
12/20 17:50	42.7	↓-0.5
12/20 18:00	42.3	↓-0.4
12/20 18:10	42.1	↓-0.2
12/20 18:20	41.9	↓-0.2
12/20 18:30	41.9	0	干潮
12/20 18:40	41.9	0
12/20 18:50	42.1	↑0.2
12/20 19:00	42.3	↑0.2
12/20 19:10	42.6	↑0.3
12/20 19:20	43.0	↑0.4
12/20 19:30	43.4	↑0.4
12/20 19:40	44.0	↑0.6
12/20 19:50	44.6	↑0.6
12/20 20:00	45.2	↑0.6
12/20 20:10	45.9	↑0.7
12/20 20:20	46.6	↑0.7
12/20 20:30	47.4	↑0.8
12/20 20:40	48.2	↑0.8
12/20 20:50	49.1	↑0.9
12/20 21:00	49.9	↑0.8
12/20 21:10	50.8	↑0.9
12/20 21:20	51.6	↑0.8
12/20 21:30	52.5	↑0.9
12/20 21:40	53.4	↑0.9
12/20 21:50	54.2	↑0.8
12/20 22:00	55.0	↑0.8
12/20 22:10	55.8	↑0.8
12/20 22:20	56.6	↑0.8
12/20 22:30	57.3	↑0.7
12/20 22:40	58.0	↑0.7
12/20 22:50	58.7	↑0.7
12/20 23:00	59.3	↑0.6
12/20 23:10	59.8	↑0.5
12/20 23:20	60.4	↑0.6
12/20 23:30	60.8	↑0.4
12/20 23:40	61.3	↑0.5
12/20 23:50	61.7	↑0.4