31 (火)	11:16	04:49	-	18:35
	117cm	67cm	-	35cm
若潮 出 06:49 入 16:34 出 12:47 入 01:18

那珂湊（茨城）2052年12月31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
12/31 00:00	91.2	↓-0.3
12/31 00:10	90.8	↓-0.4
12/31 00:20	90.3	↓-0.5
12/31 00:30	89.7	↓-0.6
12/31 00:40	88.9	↓-0.8
12/31 00:50	88.0	↓-0.9
12/31 01:00	87.1	↓-0.9
12/31 01:10	86.1	↓-1.0
12/31 01:20	85.0	↓-1.1
12/31 01:30	83.8	↓-1.2
12/31 01:40	82.6	↓-1.2
12/31 01:50	81.4	↓-1.2
12/31 02:00	80.2	↓-1.2
12/31 02:10	78.9	↓-1.3
12/31 02:20	77.7	↓-1.2
12/31 02:30	76.5	↓-1.2
12/31 02:40	75.3	↓-1.2
12/31 02:50	74.1	↓-1.2
12/31 03:00	73.0	↓-1.1
12/31 03:10	72.0	↓-1.0
12/31 03:20	71.0	↓-1.0
12/31 03:30	70.1	↓-0.9
12/31 03:40	69.3	↓-0.8
12/31 03:50	68.5	↓-0.8
12/31 04:00	67.9	↓-0.6
12/31 04:10	67.4	↓-0.5
12/31 04:20	67.0	↓-0.4
12/31 04:30	66.7	↓-0.3
12/31 04:40	66.5	↓-0.2	干潮
12/31 04:50	66.5	0
12/31 05:00	66.6	↑0.1
12/31 05:10	66.8	↑0.2
12/31 05:20	67.2	↑0.4
12/31 05:30	67.7	↑0.5
12/31 05:40	68.3	↑0.6
12/31 05:50	69.0	↑0.7
12/31 06:00	69.9	↑0.9
12/31 06:10	70.9	↑1.0
12/31 06:20	72.1	↑1.2
12/31 06:30	73.3	↑1.2
12/31 06:40	74.7	↑1.4
12/31 06:50	76.2	↑1.5
12/31 07:00	77.8	↑1.6
12/31 07:10	79.5	↑1.7
12/31 07:20	81.3	↑1.8
12/31 07:30	83.1	↑1.8
12/31 07:40	85.0	↑1.9
12/31 07:50	87.0	↑2.0
12/31 08:00	89.0	↑2.0
12/31 08:10	91.1	↑2.1
12/31 08:20	93.1	↑2.0
12/31 08:30	95.2	↑2.1
12/31 08:40	97.3	↑2.1
12/31 08:50	99.3	↑2.0
12/31 09:00	101.3	↑2.0
12/31 09:10	103.2	↑1.9
12/31 09:20	105.0	↑1.8
12/31 09:30	106.8	↑1.8
12/31 09:40	108.5	↑1.7
12/31 09:50	110.0	↑1.5
12/31 10:00	111.4	↑1.4
12/31 10:10	112.7	↑1.3
12/31 10:20	113.8	↑1.1
12/31 10:30	114.8	↑1.0
12/31 10:40	115.5	↑0.7
12/31 10:50	116.1	↑0.6
12/31 11:00	116.5	↑0.4
12/31 11:10	116.7	↑0.2	満潮
12/31 11:20	116.7	0
12/31 11:30	116.5	↓-0.2
12/31 11:40	116.1	↓-0.4
12/31 11:50	115.5	↓-0.6
12/31 12:00	114.7	↓-0.8
12/31 12:10	113.6	↓-1.1
12/31 12:20	112.4	↓-1.2
12/31 12:30	111.0	↓-1.4
12/31 12:40	109.4	↓-1.6
12/31 12:50	107.6	↓-1.8
12/31 13:00	105.7	↓-1.9
12/31 13:10	103.6	↓-2.1
12/31 13:20	101.3	↓-2.3
12/31 13:30	99.0	↓-2.3
12/31 13:40	96.5	↓-2.5
12/31 13:50	93.9	↓-2.6
12/31 14:00	91.2	↓-2.7
12/31 14:10	88.4	↓-2.8
12/31 14:20	85.6	↓-2.8
12/31 14:30	82.7	↓-2.9
12/31 14:40	79.8	↓-2.9
12/31 14:50	76.8	↓-3.0	最大潮位差
12/31 15:00	73.9	↓-2.9
12/31 15:10	71.0	↓-2.9
12/31 15:20	68.1	↓-2.9
12/31 15:30	65.2	↓-2.9
12/31 15:40	62.5	↓-2.7
12/31 15:50	59.7	↓-2.8
12/31 16:00	57.1	↓-2.6
12/31 16:10	54.6	↓-2.5
12/31 16:20	52.1	↓-2.5
12/31 16:30	49.8	↓-2.3
12/31 16:40	47.6	↓-2.2
12/31 16:50	45.6	↓-2.0
12/31 17:00	43.7	↓-1.9
12/31 17:10	42.0	↓-1.7
12/31 17:20	40.5	↓-1.5
12/31 17:30	39.1	↓-1.4
12/31 17:40	37.9	↓-1.2
12/31 17:50	36.9	↓-1.0
12/31 18:00	36.1	↓-0.8
12/31 18:10	35.5	↓-0.6
12/31 18:20	35.2	↓-0.3
12/31 18:30	35.0	↓-0.2	干潮
12/31 18:40	35.0	0
12/31 18:50	35.2	↑0.2
12/31 19:00	35.6	↑0.4
12/31 19:10	36.3	↑0.7
12/31 19:20	37.1	↑0.8
12/31 19:30	38.1	↑1.0
12/31 19:40	39.3	↑1.2
12/31 19:50	40.6	↑1.3
12/31 20:00	42.2	↑1.6
12/31 20:10	43.9	↑1.7
12/31 20:20	45.7	↑1.8
12/31 20:30	47.7	↑2.0
12/31 20:40	49.7	↑2.0
12/31 20:50	51.9	↑2.2
12/31 21:00	54.2	↑2.3
12/31 21:10	56.6	↑2.4
12/31 21:20	59.0	↑2.4
12/31 21:30	61.4	↑2.4
12/31 21:40	63.9	↑2.5
12/31 21:50	66.4	↑2.5
12/31 22:00	68.8	↑2.4
12/31 22:10	71.3	↑2.5
12/31 22:20	73.7	↑2.4
12/31 22:30	76.1	↑2.4
12/31 22:40	78.3	↑2.2
12/31 22:50	80.5	↑2.2
12/31 23:00	82.6	↑2.1
12/31 23:10	84.6	↑2.0
12/31 23:20	86.5	↑1.9
12/31 23:30	88.2	↑1.7
12/31 23:40	89.8	↑1.6
12/31 23:50	91.3	↑1.5