20 (火)	14:16	22:39	-	-
	134cm	12cm	-	-
大潮 出 06:52 入 15:46 出 07:52 入 16:03

コイセボイ（北海道）2044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	23.2	↑1.7
12/20 00:10	24.9	↑1.7
12/20 00:20	26.7	↑1.8
12/20 00:30	28.5	↑1.8
12/20 00:40	30.4	↑1.9
12/20 00:50	32.3	↑1.9
12/20 01:00	34.2	↑1.9
12/20 01:10	36.0	↑1.8
12/20 01:20	37.9	↑1.9
12/20 01:30	39.7	↑1.8
12/20 01:40	41.6	↑1.9
12/20 01:50	43.3	↑1.7
12/20 02:00	45.0	↑1.7
12/20 02:10	46.7	↑1.7
12/20 02:20	48.3	↑1.6
12/20 02:30	49.8	↑1.5
12/20 02:40	51.2	↑1.4
12/20 02:50	52.5	↑1.3
12/20 03:00	53.8	↑1.3
12/20 03:10	55.0	↑1.2
12/20 03:20	56.1	↑1.1
12/20 03:30	57.1	↑1.0
12/20 03:40	58.0	↑0.9
12/20 03:50	58.8	↑0.8
12/20 04:00	59.5	↑0.7
12/20 04:10	60.2	↑0.7
12/20 04:20	60.8	↑0.6
12/20 04:30	61.3	↑0.5
12/20 04:40	61.8	↑0.5
12/20 04:50	62.2	↑0.4
12/20 05:00	62.5	↑0.3
12/20 05:10	62.8	↑0.3
12/20 05:20	63.1	↑0.3
12/20 05:30	63.3	↑0.2
12/20 05:40	63.6	↑0.3
12/20 05:50	63.8	↑0.2
12/20 06:00	64.0	↑0.2
12/20 06:10	64.3	↑0.3
12/20 06:20	64.6	↑0.3
12/20 06:30	64.9	↑0.3
12/20 06:40	65.2	↑0.3
12/20 06:50	65.6	↑0.4
12/20 07:00	66.0	↑0.4
12/20 07:10	66.6	↑0.6
12/20 07:20	67.2	↑0.6
12/20 07:30	67.8	↑0.6
12/20 07:40	68.6	↑0.8
12/20 07:50	69.4	↑0.8
12/20 08:00	70.4	↑1.0
12/20 08:10	71.4	↑1.0
12/20 08:20	72.6	↑1.2
12/20 08:30	73.8	↑1.2
12/20 08:40	75.2	↑1.4
12/20 08:50	76.6	↑1.4
12/20 09:00	78.2	↑1.6
12/20 09:10	79.9	↑1.7
12/20 09:20	81.6	↑1.7
12/20 09:30	83.5	↑1.9
12/20 09:40	85.5	↑2.0
12/20 09:50	87.5	↑2.0
12/20 10:00	89.6	↑2.1
12/20 10:10	91.8	↑2.2
12/20 10:20	94.0	↑2.2
12/20 10:30	96.3	↑2.3
12/20 10:40	98.6	↑2.3
12/20 10:50	101.0	↑2.4
12/20 11:00	103.3	↑2.3
12/20 11:10	105.7	↑2.4
12/20 11:20	108.1	↑2.4
12/20 11:30	110.4	↑2.3
12/20 11:40	112.7	↑2.3
12/20 11:50	115.0	↑2.3
12/20 12:00	117.1	↑2.1
12/20 12:10	119.3	↑2.2
12/20 12:20	121.3	↑2.0
12/20 12:30	123.2	↑1.9
12/20 12:40	125.0	↑1.8
12/20 12:50	126.6	↑1.6
12/20 13:00	128.1	↑1.5
12/20 13:10	129.5	↑1.4
12/20 13:20	130.7	↑1.2
12/20 13:30	131.7	↑1.0
12/20 13:40	132.5	↑0.8
12/20 13:50	133.2	↑0.7
12/20 14:00	133.6	↑0.4
12/20 14:10	133.8	↑0.2	満潮
12/20 14:20	133.8	0
12/20 14:30	133.5	↓-0.3
12/20 14:40	133.1	↓-0.4
12/20 14:50	132.4	↓-0.7
12/20 15:00	131.5	↓-0.9
12/20 15:10	130.4	↓-1.1
12/20 15:20	129.0	↓-1.4
12/20 15:30	127.4	↓-1.6
12/20 15:40	125.6	↓-1.8
12/20 15:50	123.5	↓-2.1
12/20 16:00	121.3	↓-2.2
12/20 16:10	118.9	↓-2.4
12/20 16:20	116.2	↓-2.7
12/20 16:30	113.4	↓-2.8
12/20 16:40	110.4	↓-3.0
12/20 16:50	107.3	↓-3.1
12/20 17:00	104.0	↓-3.3
12/20 17:10	100.5	↓-3.5
12/20 17:20	97.0	↓-3.5
12/20 17:30	93.3	↓-3.7
12/20 17:40	89.6	↓-3.7
12/20 17:50	85.8	↓-3.8
12/20 18:00	81.9	↓-3.9
12/20 18:10	78.0	↓-3.9
12/20 18:20	74.1	↓-3.9
12/20 18:30	70.1	↓-4.0	最大潮位差
12/20 18:40	66.2	↓-3.9
12/20 18:50	62.3	↓-3.9
12/20 19:00	58.5	↓-3.8
12/20 19:10	54.7	↓-3.8
12/20 19:20	51.0	↓-3.7
12/20 19:30	47.4	↓-3.6
12/20 19:40	43.9	↓-3.5
12/20 19:50	40.5	↓-3.4
12/20 20:00	37.3	↓-3.2
12/20 20:10	34.2	↓-3.1
12/20 20:20	31.3	↓-2.9
12/20 20:30	28.5	↓-2.8
12/20 20:40	25.9	↓-2.6
12/20 20:50	23.5	↓-2.4
12/20 21:00	21.4	↓-2.1
12/20 21:10	19.4	↓-2.0
12/20 21:20	17.6	↓-1.8
12/20 21:30	16.1	↓-1.5
12/20 21:40	14.7	↓-1.4
12/20 21:50	13.6	↓-1.1
12/20 22:00	12.7	↓-0.9
12/20 22:10	12.0	↓-0.7
12/20 22:20	11.5	↓-0.5
12/20 22:30	11.2	↓-0.3	干潮
12/20 22:40	11.2	0
12/20 22:50	11.3	↑0.1
12/20 23:00	11.6	↑0.3
12/20 23:10	12.1	↑0.5
12/20 23:20	12.8	↑0.7
12/20 23:30	13.7	↑0.9
12/20 23:40	14.7	↑1.0
12/20 23:50	15.8	↑1.1